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α‑澱粉酶變體以及對其進行編碼的多核苷酸的製作方法

2023-05-26 02:10:06

本申請包括計算機可讀形式的序列表,將其通過引用結合在此。發明背景發明領域本發明涉及α-澱粉酶變體(具有α-澱粉酶活性的多肽)、編碼α-澱粉酶的核酸、生產α-澱粉酶的方法、包括α-澱粉酶的組合物以及使用α-澱粉酶的方法。相關領域描述α-澱粉酶(α-1,4-葡聚糖-4-葡聚糖水解酶,E.C.3.2.1.1)構成一組酶,這些酶催化澱粉以及其他直鏈和支鏈1,4-糖苷寡糖和多糖的水解。α-澱粉酶在工業上用於若干種已知應用的用途具有悠久歷史,這些用途如洗滌劑、烘焙、釀造、澱粉液化和糖化,例如在製備高果糖糖漿中或用作從澱粉生產乙醇的一部分。α-澱粉酶的這些應用和其他應用是已知的並且利用源自微生物的α-澱粉酶,特別是細菌α-澱粉酶。屬於首先被使用的細菌α-澱粉酶是來自地衣芽孢桿菌(B.licheniformis)的α-澱粉酶,還稱作特妙澱粉酶(Termamyl),所述特妙澱粉酶已經被充分表徵並且這種酶的晶體結構已經被確定。芽孢桿菌澱粉酶如特妙澱粉酶、AA560(WO2000/060060)和SP707(通過冢本(Tsukamoto)等人,1988,生物化學和生物物理研究通訊(Biochem.Biophys.Res.Comm.)151:25-31)形成一個特定的已經用於洗滌劑中的α-澱粉酶的組。這些澱粉酶已經經修飾以改進洗滌劑中的穩定性。WO96/23873例如披露了缺失SP707(WO96/23873的SEQIDNO:7)的胺基酸181+182或胺基酸183+184以改進此澱粉酶的穩定性。WO96/23873另外披露了通過用例如亮氨酸取代M202來修飾SP707澱粉酶以使該分子對氧化保持穩定。因而,修飾澱粉酶來改進某些特性是已知的。最近,出於環境原因,在洗滌、餐具洗滌和/或清潔過程中降低溫度已經變得日益重要。儘管當前洗滌劑酶組合物的功效,但尤其由於低(例如冷水)洗滌溫度和更短洗滌循環,有許多難以完全去除的汙漬。因而,對可以在低溫下起作用並同時保留或增加令人希望的α-澱粉酶特性如比活性(澱粉分解活性)、穩定性、汙漬去除效果和/或洗滌性能的澱粉分解酶存在需要。本發明的諸位發明人先前已經發現,SEQIDNO:2的澱粉酶變體在洗滌劑中具有非常好的穩定性(在歐洲專利申請號13194116.3中披露為具有(H183+G184)缺失和(N195F+I206Y)取代的SEQIDNO:1)。本發明的目的是提高該變體的洗滌性能。因而,本發明的目的是提供具有α-澱粉酶活性(α-澱粉酶)的多肽,這些多肽在衣物洗滌和/或餐具洗滌中具有高性能、尤其在低溫具有高洗滌性能。本發明的又一目的是提供在洗滌劑組合物中、特別地在液體衣物和/或餐具洗滌洗滌劑組合物中具有高穩定性的α-澱粉酶。又一目的是提供在粉末狀洗滌劑組合物中具有高穩定性的α-澱粉酶和/或在洗滌劑中存儲後具有高澱粉酶活性的α-澱粉酶。特別地,本發明的目的是提供在洗滌劑組合物中具有高穩定性並且在低溫(如15℃)具有高洗滌性能兩者的α-澱粉酶,其改進的洗滌性能是根據「使用自動機械應力測定的α-澱粉酶的洗滌性能」部分中使用標準洗滌劑A或J確定的。具體而言,本發明的目的是提供以下α-澱粉酶,這些α-澱粉酶與SEQIDNO:2的親本α-澱粉酶相比,或可替代地與其他密切相關的α-澱粉酶如例如SP707α-澱粉酶(SEQIDNO:4)相比,在15℃下具有改進的洗滌性能。發明既述本發明涉及α-澱粉酶變體,該變體包括a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或三個或四個位置處的缺失和/或取代,以及b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,並且該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性。本發明進一步涉及編碼這些變體的分離的多核苷酸;包含這些多核苷酸的核酸構建體、載體以及宿主細胞;包含這些變體的組合物;以及生產這些變體的方法。本發明進一步涉及包含所述變體的組合物如洗滌劑組合物,並且涉及這些變體的用途。定義A-、B-和C-結構域:α-澱粉酶的結構包括三個不同結構域A、B和C,參見例如馬姬絲(Machius)等人,1995,分子生物學雜誌(J.Mol.Biol.)246:545-559。術語「結構域」意指本身形成完整分子的不同且獨立的子結構的多肽區域。α-澱粉酶由攜帶活性位點殘基的β/α-8桶狀結構(其記為A-結構域)、β-片層3和α-螺旋3之間相當長的環狀結構(其記為B-結構域)(一起;「A和B結構域」)和C-結構域組成,並且在某些情況下還包含糖結合結構域(例如,W02005/001064;馬奇斯(Machius)等人,見上文)。α-澱粉酶的結構域可以通過結構分析來確定,如使用結晶學技術。用於確定α-澱粉酶的結構域的可替代方法是通過該α-澱粉酶與另一個已經確定結構域的α-澱粉酶的胺基酸序列的序列比對。與例如已經確定了C-結構域的α-澱粉酶中的C-結構域序列對齊的序列可以視為給定α-澱粉酶的C-結構域。A和B結構域:如在此所使用的術語「A和B結構域」意指這些視為一個單元的兩個結構域,然而該C結構域是這些α-澱粉酶的另一個單元。因而,「A和B結構域」的胺基酸序列被理解為包括「A和B結構域」和其他結構域(如C結構域)的α-澱粉酶的序列的一個序列或序列的一部分。如在此所使用,α-澱粉酶的「A和B結構域」對應於SEQIDNO:4的胺基酸1-399。α-澱粉酶:術語「α-澱粉酶」與術語「具有α-澱粉酶活性的多肽」是同義的。「α-澱粉酶活性」意指α-1,4-葡聚糖-4-葡聚糖水解酶(E.C.3.2.1.1)的活性,其構成一組催化澱粉以及其他直鏈和支鏈1,4-糖苷寡糖-和多糖的水解的酶。出於本發明的目的,根據方法中所述的程序確定α-澱粉酶活性。在一方面,本發明的α-澱粉酶具有SEQIDNO:2的成熟多肽的至少20%,例如至少40%、至少50%、至少60%、至少70%、至少80%、至少90%、至少95%或至少100%的α-澱粉酶活性。等位基因變體:術語「等位基因變體」意指佔用同一染色體位點的一種基因的兩個或更多個替代形式中的任一者。等位基因變異由突變天然產生,並且可以導致群體內多態性。基因突變可以是沉默的(在所編碼的多肽中沒有改變)或可編碼具有改變的胺基酸序列的多肽。多肽的等位基因變體是由基因的等位基因變體編碼的多肽。催化結構域:術語「催化結構域」意思指酶的包含該酶的催化機器的區域。C結構域:如在此所使用,α-澱粉酶的「C結構域」對應於SEQIDNO:4的400-485。因而,α-澱粉酶的C結構域可以通過所述α-澱粉酶與SEQIDNO:4的α-澱粉酶的比對來發現。所述與SEQIDNO:4的胺基酸400-485比對的α-澱粉酶的部分是根據本發明α-澱粉酶的「C結構域」。對應於:如在此所使用的術語「對應於」是指確定序列的特定胺基酸的方法,其中參考特定胺基酸序列。例如出於本發明的目的,當參考特定胺基酸位置時,本領域技術人員能夠將另一個胺基酸序列與已經參考的所述胺基酸序列進行比對,以便在所述另一胺基酸序列中確定哪個特定胺基酸可能是感興趣的。已經在本文其他地方描述了另一胺基酸序列與例如SEQIDNO:1中所示的序列或本文列出的任何其他序列的比對。可使用可替代的比對方法,並且對於技術人員是熟知的。洗滌劑組合物:如在此所使用的術語「洗滌劑組合物」是指適合用於在洗滌劑領域內使用的組合物,如用於在洗衣和餐具洗滌中使用。洗滌劑組合物可以處於液體或粉末形式,並且可適用於手洗或自動洗滌兩者。因此除非上下文另有說明,術語「洗滌劑組合物」包括顆粒狀或粉狀的全效或重垢清洗劑,尤其是所謂的重垢液(HDL)類型;液體細薄織物洗滌劑;手洗餐具清洗劑或輕垢餐具清洗劑,尤其是高泡沫型的那些;機洗餐具洗滌劑,包括用於居家及機構使用的多種片型、顆粒型、液體型以及衝洗助劑型;液體清潔和消毒劑,包括抗菌洗手液類型、清潔棒、皂棒、漱口液、義齒清潔劑、汽車或地毯清潔劑、浴室清潔劑;洗髮香波和護髮素;沐浴凝膠、沐浴露;金屬清洗劑;以及清潔助劑,如漂白劑添加劑和「去汙棒」或預處理類型。就預期用於弄髒的物體清潔的洗滌介質中的混合物而言,使用術語「洗滌劑組合物」和「洗滌劑配製品」。在一些實施例中,就洗滌織物和/或衣服而言,使用該術語(例如,「衣物洗滌劑」)。在替代性實施例中,該術語是指例如用於清潔餐具、刀具等的那些的其他洗滌劑(例如「餐具清洗洗滌劑」)。它並不意圖使本發明限於任何特定的洗滌劑配製品或組合物。術語「洗滌劑組合物」不旨在限於包含表面活性劑的組合物。其意圖是,除了本文所述的變體以外,這些洗滌劑組合物可以包括:例如表面活性劑、助洗劑、螯合劑(chelator)或螯合試劑(chelatingagent)、漂白系統或漂白組分、聚合物、織物調理劑、增泡劑、抑泡劑、染料、香料、晦暗抑制劑、光學增亮劑、殺細菌劑、殺真菌劑、汙垢懸浮劑、防腐蝕劑、酶抑制劑或穩定劑、酶激活劑、一種或多種轉移酶、水解酶、氧化還原酶、上藍劑和螢光染料、抗氧化劑、和/或增溶劑。表達:術語「表達」包括涉及變體產生的任何步驟,包括但不限於,轉錄、轉錄後修飾、翻譯、翻譯後修飾以及分泌。表達載體:術語「表達載體」意指線性或環狀DNA分子,該分子包括編碼變體的多核苷酸並且該多核苷酸可操作地與提供用於其表達的控制序列相連接。片段:術語「片段」意指從成熟多肽的氨基和/或羧基末端缺失一個或多個(例如,數個)胺基酸的多肽;其中該片段具有α-澱粉酶活性。高嚴格條件:術語「高嚴格條件」意指對於長度為至少100個核苷酸的探針而言,遵循標準DNA印跡程序,在42℃下在5XSSPE、0.3%SDS、200微克/ml剪切並變性的鮭魚精子DNA和50%甲醯胺中預雜交和雜交12至24小時。最後在65℃下使用2XSSC、0.2%SDS將載體材料洗滌三次,每次15分鐘。宿主細胞:術語「宿主細胞」意指易於用包含本發明的多核苷酸的核酸構建體或表達載體轉化、轉染、轉導等的任何細胞類型。術語「宿主細胞」涵蓋由於複製期間發生的突變而與親本細胞不同的親本細胞的任何後代。免疫交叉反應性:如本文所使用的術語「與抗體具有免疫交叉反應性的多肽」是指由針對SEQIDNO:1或2的多肽產生的抗體結合的任何多肽。當不必具有如SEQIDNO:1或2所示的序列的多肽被抗體結合,並從而提供交叉反應性時,其表明該多肽可以與SEQIDNO:1或2的多肽具有相似的特徵。交叉反應性的測定可以通過ELISA進行,ELISA包括以下步驟:(i)將感興趣的多肽粘附到ELISA板上;(ii)加入針對SEQIDNO:1或2的多肽產生的抗體;(iii)加入結合針對SEQIDNO:1或2的多肽產生的抗體的第二標記抗體;和(iv)測量來自結合的第二抗體的信號。可以使用測定免疫交叉反應性的其他方法,並且是在技術人員的知識範圍內。改進的特性:術語「改進的特性」意指一種與本發明的多肽相關的特徵,該特徵相比於SEQIDNO:2的成熟多肽得到了改進。此類改進的特性包括但不限於催化效率、催化速率、化學穩定性、螯合劑穩定性、氧化穩定性、pH活性、pH穩定性、比活性、洗滌劑穩定性、底物結合、底物切割、底物特異性、底物穩定性、表面特性、熱活性、以及熱穩定性、和改進的洗滌性能,特別是在低溫下,如5℃和40℃之間的溫度下(如在15℃下)的改進的洗滌性能。可以改進的另一種特性是該分子在洗滌劑組合物中、特別是在液體洗滌劑組合物中存儲期間的穩定性。穩定性或洗滌性能的改進是相對於SEQIDNO:2的澱粉酶的穩定性或相對於具有與該變體相同的a)的改變的SEQIDNO:1的多肽的穩定性。洗滌性能:在本發明背景下,使用術語「洗滌性能」作為酶在例如衣物或硬表面清潔如餐具洗滌期間去除存在於待清潔的物體上的澱粉或含澱粉汙漬的能力。術語「洗滌性能」包括通常清潔例如硬表面清潔,如在餐具洗滌中,但還包括在紡織品如衣物上的洗滌性能,並且還包括工業清潔和機構清潔。該洗滌性能可以通過計算所謂的強度值來量化。改進的洗滌性能:術語「改進的洗滌性能」在此定義為相對於SEQIDNO:2的澱粉酶的洗滌性能,或相對於具有與該變體相同的a)的改變的SEQIDNO:1的多肽而展現出本發明的澱粉酶的洗滌性能的改變。該改變可以例如被視為增加的汙漬去除。根據實例1確定改進的洗滌性能。如果在實施例1中列出的一種或多種條件下改進因子(IF)高於1.0,優選地高於1.05,則洗滌性能得到了改進。即,在標準洗滌劑A中在15℃下,其中該α-澱粉酶變體濃度是0.2mg/L;或在標準洗滌劑A中在40℃下,其中該α-澱粉酶變體濃度是0.05mg/L;或在標準洗滌劑J中在15℃下,其中該α-澱粉酶變體濃度是0.2mg/L;或在標準洗滌劑J中在30℃下,其中該α-澱粉酶變體濃度是0.05mg/L。實例1中描述了這些洗滌條件。術語「洗滌性能」包括通常清潔例如硬表面清潔,如在餐具洗滌中,但還包括在紡織品如衣物上的洗滌性能,並且還包括工業清潔和機構清潔。可以通過比較如在本文的定義中描述的δ強度來測量改進的洗滌性能。δ強度:在此將術語「δ強度」或「δ強度值」定義為測試材料的強度測量結果,該測試材料是例如小塊布樣CS-28(測試材料BV中心(CenterforTestmaterialsBV),郵政信箱120,3133KT弗拉爾丁恩(Vlaardingen),荷蘭)或硬表面。將該小塊布樣與作為背景的在相同條件下洗滌的該小塊布樣的一部分一起測量。δ強度是用澱粉酶洗滌的測試材料的強度值減去未用澱粉酶洗滌的測試材料的強度值。紡織品:紡織品樣品CS-28(棉花上的大米澱粉)獲得自測試材料BV中心(CenterForTestmaterialsBV),郵政信箱120,3133KT弗拉爾丁恩,荷蘭。低溫:「低溫」是5℃-40℃,例如5℃-35℃,優選5℃-30℃,更優選5℃-25℃,更優選5℃-20℃,最優選5℃-15℃,並且特別是5℃-10℃的溫度。在一個優選實施例中,「低溫」是10℃-35℃,優選10℃-30℃,更優選10℃-25℃,最優選10℃-20℃,並且特別是10℃-15℃的溫度。最優選的,低溫意指15℃。強度值:洗滌性能可以被測量為亮度,表達為當用白光照亮時從樣品反射的光的強度。當樣品受到汙染時,反射光的強度低於乾淨樣品的反射光的強度。因此,反射光的強度可以用於測量洗滌性能,其中更高的強度值與更高的洗滌性能相關。使用專業平板掃描儀(EPSONExpression10000XL,EPSON)進行顏色測量,該掃描儀用於捕獲所洗滌紡織品的圖像。為了從掃描圖像中提取光強度的值,將來自圖像的48→24位彩色像素值轉化為紅色、綠色和藍色(rgb)的值。通過將rgb值作為向量相加在一起並然後考慮所得向量的長度可以計算強度值(Int):改進因子:改進因子(IF)是酶樣品的δ強度與主鏈或參考,即SEQIDNO:2的δ強度的比率。分離的:術語「分離的」意指處於自然界中不存在的形式或環境中的物質。分離的物質的非限制性實例包括(1)任何非天然存在的物質;(2)至少部分地從與其在自然界中相關聯的一種或多種或全部天然存在的組分中除去的任何物質,包括但不局限於任何酶、變體、核酸、蛋白質、肽或輔因子;(3)相對於自然界中發現的那種物質通過人工手動修飾的任何物質;或者(4)通過相對於與其天然相關聯的其他組分增加該物質的量而修飾的任何物質(例如,編碼該物質的基因的多個拷貝;比與編碼該物質的基因天然相關聯的啟動子更強的啟動子的使用)。分離的物質可以存在於發酵液樣品中。成熟多肽:術語「成熟多肽」意指在翻譯和任何翻譯後修飾如N-末端加工、C-末端截短、糖基化作用、磷酸化作用等之後處於其最終形式的多肽。在一個方面,成熟多肽是SEQIDNO:1的胺基酸1至485。在另一個方面,成熟多肽是SEQIDNO:2的胺基酸1至483。本領域已知,宿主細胞可以產生由同一多核苷酸表達的兩種或更多種不同成熟多肽(即,具有不同C-末端和/或N-末端胺基酸)的混合物。本領域還已知,不同的宿主細胞不同地加工多肽,並且因此一個表達一種多核苷酸的宿主細胞當與另一個表達相同多核苷酸的宿主細胞相比時可以產生一種不同的成熟多肽(例如,具有一個不同的C-末端和/或N-末端胺基酸)。成熟多肽編碼序列:術語「成熟多肽編碼序列」意指編碼具有α-澱粉酶活性的成熟多肽的多核苷酸。中嚴格條件:術語「中嚴格條件」意指對於長度為至少100個核苷酸的探針而言,遵循標準DNA印跡程序,在42℃下在5XSSPE、0.3%SDS、200微克/ml剪切並變性的鮭魚精子DNA和35%甲醯胺中預雜交和雜交12至24小時。最後在55℃下使用2XSSC、0.2%SDS將載體材料洗滌三次,每次15分鐘。中-高嚴格條件:術語「中-高嚴格條件」意指對於長度為至少100個核苷酸的探針而言,遵循標準DNA印跡程序,在42℃下在5XSSPE、0.3%SDS、200微克/ml剪切並變性的鮭魚精子DNA以及35%甲醯胺中預雜交和雜交12至24小時。最後在60℃下使用2XSSC、0.2%SDS將載體材料洗滌三次,每次15分鐘。突變體:術語「突變體」意指編碼變體的多核苷酸。核酸構建體:術語「核酸構建體」意指單-鏈或雙鏈的核酸分子,該核酸分子是從天然存在的基因中分離的,或以本來不存在於自然界中的方式被修飾成含有核酸的區段,或是合成的,該核酸分子包括一個或多個控制序列。可操作地連接:術語「可操作地連接」意指如下的構造,其中,控制序列相對於多核苷酸的編碼序列安置在適當位置,從而使得該控制序列指導該編碼序列的表達。親本或親本α-澱粉酶:術語「親本」或「親本α-澱粉酶」意指進行變化以產生酶變體的α-澱粉酶。具有SEQIDNO:1或2的澱粉酶可以例如是所要求α-澱粉酶變體的親本。多核苷酸:如在此使用的術語「多核苷酸」或「編碼……的多核苷酸」是指編碼具有α-澱粉酶活性的成熟多肽的多核苷酸。所得變體:如在此使用的術語「所得變體」是指通過根據本發明的方法產生的變體,即所述變體包含任何一個或多個改變,如本文所述的取代和/或缺失。所得變體與術語「變體」、「根據本發明的變體」和本文類似地使用的其他術語具有相同的含義和目的,並因此是作為該生產方法的結果的變體。序列一致性:用參數「序列一致性」來描述兩個胺基酸序列之間或兩個核苷酸序列之間的相關性。出於本發明的目的,使用如在EMBOSS包(EMBOSS:歐洲分子生物學開放軟體套件,賴斯(Rice)等人,2000,遺傳學趨勢(TrendsGenet.)16:276-277)(優選5.0.0版或更新版本)的尼德爾程序中所實施的尼德爾曼-翁施算法(尼德爾曼(Needleman)和翁施(Wunsch),1970,分子生物學雜誌(J.Mol.Biol.)48:443-453)來確定兩個胺基酸序列之間的序列一致性。所使用的參數是空位開放罰分10,空位延伸罰分0.5,以及EBLOSUM62(BLOSUM62的EMBOSS版本)取代矩陣。將標記為「最長同一性」的Needle輸出(使用-nobrief選項獲得)用作百分比同一性並且是如下計算的:(一致的殘基X100)/(比對長度-比對中的空位總數)變體:術語「變體」意指在一個或多個(例如,若干個)位置處包括改變(即,取代、插入和/或缺失)的具有α-澱粉酶活性的多肽。取代意指佔據一個位置的胺基酸由不同的胺基酸代替;缺失意指除去佔據一個位置的胺基酸;以及插入意指在佔據一個位置的胺基酸的毗鄰處和緊鄰處添加一個胺基酸。本發明的變體具有SEQIDNO:1的成熟多肽的至少20%,例如至少40%、至少50%、至少60%、至少70%、至少80%、至少90%、至少95%或至少100%的α-澱粉酶活性。本發明的變體優選地是SEQIDNO:1的親本α-澱粉酶的變體或與其具有至少90%一致性,如至少95%一致性的α-澱粉酶的變體。它們還可以是其他親本,如SEQIDNO:2、4、7、8、9、10、11、12、13、14、15或16的變體。非常高嚴格條件:術語「非常高嚴格條件」意指對於長度為至少100個核苷酸的探針而言,遵循標準DNA印跡程序,在42℃下在5XSSPE、0.3%SDS、200微克/ml剪切並變性的鮭魚精子DNA和50%甲醯胺中預雜交和雜交12至24小時。最後在70℃下使用2XSSC、0.2%SDS將載體材料洗滌三次,每次15分鐘。非常低嚴格條件:術語「非常低嚴格條件」是指對於長度為至少100個核苷酸的探針而言,遵循標準DNA印跡程序,在42℃下在5XSSPE、0.3%SDS、200微克/ml剪切並變性的鮭魚精子DNA和25%甲醯胺中預雜交和雜交12至24小時。最後在45℃下使用2XSSC、0.2%SDS將載體材料洗滌三次,每次15分鐘。野生型α-澱粉酶:術語「野生型」α-澱粉酶意指由天然存在的微生物(如在自然界中發現的細菌、古生菌、酵母或絲狀真菌)表達的α-澱粉酶。變體命名規則出於本發明的目的,使用在SEQIDNO:1中披露的成熟多肽來確定另一種α-澱粉酶中的相應胺基酸殘基。將另一種α-澱粉酶的胺基酸序列與SEQIDNO:1中披露的成熟多肽進行比對,並且基於該比對,使用如在EMBOSS包(EMBOSS:歐洲分子生物學開放軟體套件,賴斯(Rice)等人,2000,遺傳學趨勢(TrendsGenet.)16:276-277)(優選5.0.0版或更新版本)的尼德爾程序中所實施的尼德爾曼-翁施算法(尼德爾曼(Needleman)和翁施(Wunsch),1970,分子生物學雜誌(J.Mol.Biol.)48:443-453)來確定與SEQIDNO:1中所披露的成熟多肽中的任何胺基酸殘基相對應的胺基酸位置編號。所使用的參數是空位開放罰分10,空位延伸罰分0.5,以及EBLOSUM62(BLOSUM62的EMBOSS版本)取代矩陣。可以通過使用若干電腦程式,使用其對應默認參數比對多個多肽序列來確定在另一種α-澱粉酶中的對應胺基酸殘基的鑑定,所述電腦程式包括但不限於MUSCLE(通過對數-預期的多種序列比較;版本3.5或更新版本;埃德加(Edgar),2004,核酸研究(NucleicAcidsResearch)32:1792-1797)、MAFFT(版本6.857或更新版本;加藤(Katoh)和庫馬(Kuma),2002,核酸研究30:3059-3066;加藤等人,2005,核酸研究33:511-518;加藤和都(Toh),2007,生物信息學(Bioinformatics)23:372-374;加藤等人,2009,分子生物學方法(MethodsinMolecularBiology)537:39-64;加藤和都,2010,生物信息學(Bioinformatics)26:1899-1900)以及採用ClustalW(1.83或更新版本;湯姆斯(Thompson)等人,1994,核酸研究(NucleicAcidsResearch)22:4673-4680)的EMBOSSEMMA。當其他酶與SEQIDNO:1的成熟多肽相背離使得傳統的基於序列的比較方法不能檢測其相互關係時(林達爾(Lindahl)和埃洛弗松(Elofsson),2000,分子生物學雜誌(J.Mol.Biol.)295:613-615),可應用其他成對序列比較算法。在基於序列的搜索中的更大靈敏度可以使用搜索程序來獲得,這些搜索程序利用多肽家族的概率表示(譜(profile))來搜索資料庫。例如,PSI-BLAST程序通過迭代資料庫搜索過程來產生多個譜,並且能夠檢測遠距離同源物(阿特休爾(Atschul)等人,1997,核酸研究(NucleicAcidsRes.)25:3389-3402)。當多肽的家族或超家族在蛋白質結構資料庫中具有一個或多個代表時,甚至可達成更高的敏感度。程序如GenTHREADER(瓊斯(Jones),1999,分子生物學雜誌(J.Mol.Biol.)287:797-815;麥古芬(McGuffin)和瓊斯,2003,生物信息學(Bioinformatics)19:874-881)利用來自不同來源(PSI-BLAST、二級結構預測、結構比對譜以及溶劑化勢)的信息作為預測查詢序列的結構摺疊的神經網絡的輸入。類似地,高夫(Gough)等人,2000,分子生物學雜誌(J.Mol.Biol.)313:903-919的方法可以用於比對未知結構的序列與存在於SCOP資料庫中的超家族模型。這些比對進而可以用於產生多肽的同源性模型,並且使用出於該目的而開發的多種工具可以評定此類模型的準確度。對於已知結構的蛋白,若干工具和資源可用於檢索並產生結構比對。例如,蛋白的SCOP超家族已經在結構上進行比對,並且那些比對是可訪問的並且可下載的。可以使用多種算法如距離比對矩陣(奧爾姆(Holm)和桑德(Sander),1998,蛋白質(Proteins)33:88-96)或組合延伸(辛迪亞洛夫(Shindyalov)和伯恩(Bourne),1998,蛋白質工程(ProteinEngineering)11:739-747)比對兩種或更多種蛋白質結構,並且這些算法的實施可以另外用於查詢具有感興趣結構的結構資料庫,以便發現可能的結構同源物(例如,奧爾姆和帕克(Park),2000,生物信息學(Bioinformatics)16:566-567)。在描述本發明的變體中,以下所述的命名法適於方便參考。採用了已接受的IUPAC單個字母和三字母的胺基酸縮寫。取代。對於胺基酸取代,使用以下命名法:初始胺基酸、位置、取代胺基酸。因此,在位置226處的蘇氨酸被丙氨酸取代表示為「Thr226Ala」或者「T226A」。在給定位置處的胺基酸可以被任何其他胺基酸取代的情況下,將其表示為T226A;C;D;E;F;G;H;I;K;L;M;N;P;Q;R;S;W;V;Y。因此,這意味著位置226處的蘇氨酸可以被選自A、C、D、E、F、G、H、I、K、L、M、N、P、Q、R、S、W、V或Y的組的一個胺基酸取代。同樣地,在給定位置處的胺基酸可以用選自特定的胺基酸組的一個胺基酸取代的情況下,例如在位置226處的蘇氨酸可以被酪氨酸、苯丙氨酸或組氨酸中的任一個取代的情況下,將其表示為T226Y;F;H。給定位置處的不同改變還可以由一個逗號分開,例如「Arg170Tyr,Glu」或「R170Y,E」代表位置170處的精氨酸被酪氨酸或穀氨酸取代。因此,「Tyr167Gly,Ala+Arg170Gly,Ala」命名了以下變體:「Tyr167Gly+Arg170Gly」、「Tyr167Gly+Arg170Ala」、「Tyr167Ala+Arg170Gly」以及「Tyr167Ala+Arg170Ala」。多個突變由加號(「+」)分開,例如「Gly205Arg+Ser411Phe」或「G205R+S411F」代表分別在位置205和位置411處甘氨酸(G)被精氨酸(R)取代,並且絲氨酸(S)被苯丙氨酸(F)取代。缺失。對於胺基酸缺失,使用以下命名法:初始胺基酸、位置、*。因此,在位置195處的甘氨酸缺失表示為「Gly195*」或「G195*」。多重缺失通過加號(「+」)分開,例如,「Gly195*+Ser411*」或「G195*+S411*」。插入。對於胺基酸插入,使用以下命名法:初始胺基酸、位置、初始胺基酸、插入胺基酸。因此,在位置195處的甘氨酸之後插入賴氨酸被表示為「Gly195GlyLys」或「G195GK」。多個胺基酸的插入被表示為[初始胺基酸,位置,初始胺基酸,插入胺基酸#1、插入胺基酸#2;等]。例如,在位置195處的甘氨酸之後插入賴氨酸和丙氨酸被表示為「Gly195GlyLysAla」或「G195GKA」。在此類情況下,通過將小寫字母添加至在所插入的一個或多個胺基酸殘基之前的胺基酸殘基的位置編號中來對所插入的一個或多個胺基酸殘基進行編號。在以上實例中,該序列因此將是:親本:變體:195195195a195bGG-K-A多種改變。包含多種改變的變體由加號(「+」)分開,例如「Arg170Tyr+Gly195Glu」或者「R170Y+G195E」代表在位置170和位置195處的精氨酸和甘氨酸分別被酪氨酸和穀氨酸取代。術語「多重修飾」也可以在本文中使用。這樣的術語與「多種改變」具有相同的含義和目的,並且可以互換使用。發明詳細說明α-澱粉酶變體本發明涉及α-澱粉酶變體,該變體包括a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或三個或四個位置處的缺失和/或取代,以及b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在另一方面中,本發明涉及α-澱粉酶變體,該α-澱粉酶變體包括a)在對應於SEQIDNO:1的成熟多肽的位置R181+G182、R181+G184、G182+H183、或G182+G184的胺基酸位置處的成對缺失,以及b)在一個或多個位置處的取代,所述位置對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少70%,如至少75%、如至少80%、如至少85%、如至少90%、如至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個優選的實施例中,b)包括以下取代和/或缺失中的一種或多種:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R,其中*表示當使用SEQIDNO:1進行編號時的缺失。在一個優選的實施例中,a)是胺基酸H183+G184的缺失,並且b)包括以下取代和/或缺失中的一種或多種:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R,其中*表示當使用SEQIDNO:1進行編號時的缺失。在另一個實施例中,a)是胺基酸R181+G182的缺失,並且b)包括以下取代和/或缺失中的一種或多種:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R,其中*表示當使用SEQIDNO:1進行編號時的缺失。在另一個實施例中,a)是胺基酸R181+H183的缺失,並且b)包括以下取代和/或缺失中的一種或多種:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R,其中*表示當使用SEQIDNO:1進行編號時的缺失。在另一個實施例中,a)是胺基酸R181+G184的缺失,並且b)包括以下取代和/或缺失中的一種或多種:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R,其中*表示當使用SEQIDNO:1進行編號時的缺失。在另一個實施例中,a)是胺基酸G182+H183的缺失,並且b)包括以下取代和/或缺失中的一種或多種:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R,其中*表示當使用SEQIDNO:1進行編號時的缺失。在另一個實施例中,a)是胺基酸G182+G184的缺失,並且b)包括以下取代和/或缺失中的一種或多種:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R,其中*表示當使用SEQIDNO:1進行編號時的缺失。在另一個優選的實施例中,b)包括以下取代和/或缺失的組合中的一種或多種:H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、G50A+A113L+W167F+R172Q+A1066、G50A+W167F+R172Q+A1105、G50A+R118D+R172Q、G50A+A113L+R118D+R172Q、G50A+A113L+W167F+172Q、G50A+R172D+L173F+E471K、G50A+A51T+R172D+E345D+E346P+D476G、G50A+R172D+N174Q+E345D+E346P+D476G、G50A+R172D+N174D+E345D+E346P+D476G、G50A+A51V+R172N+N174T+A204T+E345D+E346P+D476G、G50A+R172D+N174T+E345D+E346P+D476G、G50A+N174T+E345D+E346P+D476G、G50A+R172N+N174T+E345D+E346P+D476G、G50A+A51V+L173F+N174D+E345D+E346P+D476G、G50A+A51T+R172D+S255I+E345D+G477Q、G50A+A51V+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、G50A+R172D+N174Q+S255I+E345D+G477QG50A+R172D+N174D+S255I+E345D+G477Q、G50A+A51V+R172N+N174T+A204T+S255I+E345D、G50A+R172D+N174T+S255I+E345D+G477Q、G50A+R172N+N174T+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D、G50A+A51T+W140Y+P146S+R172D、G50A+A51T+W140Y+R172D、G50A+A51V+W140Y+R172E+L173F+N174T+A204V、G50A+W140Y+R172D+N174Q、G50A+W140Y+R172D+N174D、G50A+W140Y+P146S+R172D+N174D+E471K、G50A+A51V+W140Y+R172N+N174T+A204T、G50A+A51T+W140Y+R17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0A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V+D476Y、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+R172E+A204T+K302Q+E346P+D476K+G477S、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S。在另一個優選的實施例中,b)中的改變由以下改變的組合中的一種組成:H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、G50A+A113L+W167F+R172Q+A1066、G50A+W167F+R172Q+A1105、G50A+R118D+R172Q、G50A+A113L+R118D+R172Q、G50A+A113L+W167F+172Q、G50A+R172D+L173F+E471K、G50A+A51T+R172D+E345D+E346P+D476G、G50A+R172D+N174Q+E345D+E346P+D476G、G50A+R172D+N174D+E345D+E346P+D476G、G50A+A51V+R172N+N174T+A204T+E345D+E346P+D476G、G50A+R172D+N174T+E345D+E346P+D476G、G50A+N174T+E345D+E346P+D476G、G50A+R172N+N174T+E345D+E346P+D476G、G50A+A51V+L173F+N174D+E345D+E346P+D476G、G50A+A51T+R172D+S255I+E345D+G477Q、G50A+A51V+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、G50A+R172D+N174Q+S255I+E345D+G477QG50A+R172D+N174D+S255I+E345D+G477Q、G50A+A51V+R172N+N174T+A204T+S255I+E345D、G50A+R172D+N174T+S255I+E345D+G477Q、G50A+R172N+N174T+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D、G50A+A51T+W140Y+P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77Q、T40K+Q98N+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+T431P、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W140Y+P146S+W167F+R172E+L173F+N174T+A204V+R320A+S323N、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+K302Q+E346P+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+K302Q+E346P+D476K+G477S、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、N174D+A204T+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+E345D+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477S、G50S+R172N+N174Q+E345D+E346P+D476G、R172N+N174Q+E345D+D406A+I411M+N446K、G50S+R172N+N174Q+E345D、G50A+N174D+A204T+E345D+D476K+G477S、G50A+N174D+A204T+S255I+E345D+G477Q、G50A+N174D+A204T+G304S+E345D+D476K+G477Q、N174D+A204T+G304S+E345D+D476K+G477Q、R172K+A204V+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、R172K+A204V+E345D+D476K+G477S、R172K+A204V+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E346T+D476K+G477A、G50A+R172N+A204T+E346T+D432A+D476K+G477A、G50A+R172N+A204T+E345D+D476K+G477S、G50A+R172N+A204T+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、T40K+K72R+W167F+K302Q+E346P+D476K、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、N174D+A204V+M208Y+V213T+V214T+L217M、R172E+N174D+A204T+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+E416K+K438N、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213S+V214T+L217M、R172K+A204V+M208Y+V213T+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M+R320A+S323N、G50A+A51V+R172N+N174T+A204T+E346T+G477A、G50A+A51V+R172N+N174T+A204T+R320V+D476Y、G50A+A51V+R172N+N174T+A204T+R320V、R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、G50A+A51T+R172N+L173V+R320V+D476Y、G50A+A51T+R172D+R320A+S323N、G50A+R172Q+L173T+E346T+G477A、R172Q+L173T+R320V+D476Y、N174D+A204T+R320V+D476Y、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320V、T40K+K72R+W167F+E346T+G477A、T40K+K72R+W167F+R320V+D476Y、G50A+A51V+R172E+N174S+E346T+G477A、G50A+A51V+N174S+R320V+D476Y、A51V+N174S+R320V+D476Y、G50A+A51T+R172E+A204T+E346T+G477A、G50A+A51T+R172E+A204T+R320V+D476Y、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、R172D+N174Q+A204V+E346T+G477A、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+P146S+N174D+A204T、W140Y+W167F+R172K+A204V、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V+D476Y、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+R172E+A204T+K302Q+E346P+D476K+G477S、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在另一個優選的實施例中,a)是胺基酸H183+G184的缺失,並且b)中的改變包括以下改變的組合中的一種:H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、G50A+A113L+W167F+R172Q+A1066、G50A+W167F+R172Q+A1105、G50A+R118D+R172Q、G50A+A113L+R118D+R172Q、G50A+A113L+W167F+172Q、G50A+R172D+L173F+E471K、G50A+A51T+R172D+E345D+E346P+D476G、G50A+R172D+N174Q+E345D+E346P+D476G、G50A+R172D+N174D+E345D+E346P+D476G、G50A+A51V+R172N+N174T+A204T+E345D+E346P+D476G、G50A+R172D+N174T+E345D+E346P+D476G、G50A+N174T+E345D+E346P+D476G、G50A+R172N+N174T+E345D+E346P+D476G、G50A+A51V+L173F+N174D+E345D+E346P+D476G、G50A+A51T+R172D+S255I+E345D+G477Q、G50A+A51V+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、G50A+R172D+N174Q+S255I+E3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8Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、W140Y+W167F+R172D+N174T+A204V+S255N+E345D+G477Q、W167F+R172D+N174T+A204V+S255I+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、T40K+Q98N+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+T431P、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W140Y+P146S+W167F+R172E+L173F+N174T+A204V+R320A+S323N、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+K302Q+E346P+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+K302Q+E346P+D476K+G477S、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、N174D+A204T+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+E345D+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477S、G50S+R172N+N174Q+E345D+E346P+D476G、R172N+N174Q+E345D+D406A+I411M+N446K、G50S+R172N+N174Q+E345D、G50A+N174D+A204T+E345D+D476K+G477S、G50A+N174D+A204T+S255I+E345D+G477Q、G50A+N174D+A204T+G304S+E345D+D476K+G477Q、N174D+A204T+G304S+E345D+D476K+G477Q、R172K+A204V+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、R172K+A204V+E345D+D476K+G477S、R172K+A204V+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E346T+D476K+G477A、G50A+R172N+A204T+E346T+D432A+D476K+G477A、G50A+R172N+A204T+E345D+D476K+G477S、G50A+R172N+A204T+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、T40K+K72R+W167F+K302Q+E346P+D476K、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、N174D+A204V+M208Y+V213T+V214T+L217M、R172E+N174D+A204T+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+E416K+K438N、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213S+V214T+L217M、R172K+A204V+M208Y+V213T+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M+R320A+S323N、G50A+A51V+R172N+N174T+A204T+E346T+G477A、G50A+A51V+R172N+N174T+A204T+R320V+D476Y、G50A+A51V+R172N+N174T+A204T+R320V、R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、G50A+A51T+R172N+L173V+R320V+D476Y、G50A+A51T+R172D+R320A+S323N、G50A+R172Q+L173T+E346T+G477A、R172Q+L173T+R320V+D476Y、N174D+A204T+R320V+D476Y、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320V、T40K+K72R+W167F+E346T+G477A、T40K+K72R+W167F+R320V+D476Y、G50A+A51V+R172E+N174S+E346T+G477A、G50A+A51V+N174S+R320V+D476Y、A51V+N174S+R320V+D476Y、G50A+A51T+R172E+A204T+E346T+G477A、G50A+A51T+R172E+A204T+R320V+D476Y、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、R172D+N174Q+A204V+E346T+G477A、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+P146S+N174D+A204T、W140Y+W167F+R172K+A204V、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V+D476Y、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+R172E+A204T+K302Q+E346P+D476K+G477S、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在另一個優選的實施例中,a)是胺基酸R181+G182的缺失,並且b)中的改變包括以下改變的組合中的一種:H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、G50A+A113L+W167F+R172Q+A1066、G50A+W167F+R172Q+A1105、G50A+R118D+R172Q、G50A+A113L+R118D+R172Q、G50A+A113L+W167F+172Q、G50A+R172D+L173F+E471K、G50A+A51T+R172D+E345D+E346P+D476G、G50A+R172D+N174Q+E345D+E346P+D476G、G50A+R172D+N174D+E345D+E346P+D476G、G50A+A51V+R172N+N174T+A204T+E345D+E346P+D476G、G50A+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A+K72R+W167F+R172D+N174T+E345D+G477Q、G50A+W140Y+R172D+N174T+E345D+E346P+D476G、G50A+W140Y+W167F+R172D+L173F+N174T+G304Q+E345D+E346P+D476G、T40K+K72R+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、T40K+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、W140Y+W167F+R172D+N174T+A204V+S255N+E345D+G477Q、W167F+R172D+N174T+A204V+S255I+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、T40K+Q98N+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+T431P、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W140Y+P146S+W167F+R172E+L173F+N174T+A204V+R320A+S323N、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+K302Q+E346P+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+K302Q+E346P+D476K+G477S、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、N174D+A204T+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+E345D+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477S、G50S+R172N+N174Q+E345D+E346P+D476G、R172N+N174Q+E345D+D406A+I411M+N446K、G50S+R172N+N174Q+E345D、G50A+N174D+A204T+E345D+D476K+G477S、G50A+N174D+A204T+S255I+E345D+G477Q、G50A+N174D+A204T+G304S+E345D+D476K+G477Q、N174D+A204T+G304S+E345D+D476K+G477Q、R172K+A204V+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、R172K+A204V+E345D+D476K+G477S、R172K+A204V+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E346T+D476K+G477A、G50A+R172N+A204T+E346T+D432A+D476K+G477A、G50A+R172N+A204T+E345D+D476K+G477S、G50A+R172N+A204T+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、T40K+K72R+W167F+K302Q+E346P+D476K、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、N174D+A204V+M208Y+V213T+V214T+L217M、R172E+N174D+A204T+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+E416K+K438N、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213S+V214T+L217M、R172K+A204V+M208Y+V213T+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M+R320A+S323N、G50A+A51V+R172N+N174T+A204T+E346T+G477A、G50A+A51V+R172N+N174T+A204T+R320V+D476Y、G50A+A51V+R172N+N174T+A204T+R320V、R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、G50A+A51T+R172N+L173V+R320V+D476Y、G50A+A51T+R172D+R320A+S323N、G50A+R172Q+L173T+E346T+G477A、R172Q+L173T+R320V+D476Y、N174D+A204T+R320V+D476Y、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320V、T40K+K72R+W167F+E346T+G477A、T40K+K72R+W167F+R320V+D476Y、G50A+A51V+R172E+N174S+E346T+G477A、G50A+A51V+N174S+R320V+D476Y、A51V+N174S+R320V+D476Y、G50A+A51T+R172E+A204T+E346T+G477A、G50A+A51T+R172E+A204T+R320V+D476Y、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、R172D+N174Q+A204V+E346T+G477A、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+P146S+N174D+A204T、W140Y+W167F+R172K+A204V、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V+D476Y、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+R172E+A204T+K302Q+E346P+D476K+G477S、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在另一個優選的實施例中,a)是胺基酸R181+H183的缺失,並且b)中的改變包括以下改變的組合中的一種:H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、G50A+A113L+W167F+R172Q+A1066、G50A+W167F+R172Q+A1105、G50A+R118D+R172Q、G50A+A113L+R118D+R172Q、G50A+A113L+W167F+172Q、G50A+R172D+L173F+E471K、G50A+A51T+R172D+E345D+E346P+D476G、G50A+R172D+N174Q+E345D+E346P+D476G、G50A+R172D+N174D+E345D+E346P+D476G、G50A+A51V+R172N+N174T+A204T+E345D+E346P+D476G、G50A+R172D+N174T+E345D+E346P+D476G、G50A+N174T+E345D+E346P+D476G、G50A+R172N+N174T+E345D+E346P+D476G、G50A+A51V+L173F+N174D+E345D+E346P+D476G、G50A+A51T+R172D+S255I+E345D+G477Q、G50A+A51V+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、G50A+R172D+N174Q+S255I+E345D+G477QG50A+R172D+N174D+S255I+E345D+G477Q、G50A+A51V+R172N+N174T+A204T+S255I+E345D、G50A+R172D+N174T+S255I+E345D+G477Q、G50A+R172N+N174T+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D、G50A+A51T+W140Y+P146S+R172D、G50A+A51T+W140Y+R172D、G50A+A51V+W140Y+R172E+L173F+N174T+A204V、G50A+W140Y+R172D+N174Q、G50A+W140Y+R172D+N174D、G50A+W140Y+P146S+R172D+N174D+E471K、G50A+A51V+W140Y+R172N+N174T+A204T、G50A+A51T+W140Y+R172N+L173V、G50A+W140Y+R172N+N174T、G50A+A51V+W140Y+P146S+L173F+N174D、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+Y206I+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+G304Q+E345D+E346T+A427V+D476G+G477S、G50A+R172D+N174Q+R320A+H321N+S323N、G50A+R172D+N174D+R320A+H321N+S323N、G50A+A51V+R172N+N174T+A204T+R320A+H321N+S323N、G50A+N174T+R320A+H321N+S323N、G50A+R172N+N174T+R320A+H321N+S323N、G50A+A51V+L173F+N174D+R320A+H321N+S323N、G50A+A51T+R172E+N174S+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+A113L+R172E+N174S+G304Q+E345D+E346T+V474T、G50A+A51T+A113L+R172E+N174S+G304V+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+Y206I+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213T+V214T+L217M、G50A+A51T+G149A+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V+R320A+S323N、G50A+A51T+W167F+R172N+L173V+Y206I+M208Y+V213S+V214T+L217M、G50A+A51T+W167F+R172N+L173V+Y206I+M208Y+V213T+V214T+L217M、A51V+R172D+L173F、A51V+R172Q+A204V、A51I+R172Q+L173F+A204T、A51V+L173I+N174S、A51T+L173T+N174S+A204T、W48L+A51T+R172Q+N174S+A204T、A51I+R172D、A51I+R172Q+N174E、A51I+R172E+N174T、A51V+R172Q+N174S+A204V、A51T+L173F+N174Q+A204V+A521、A51V+N174T+A204V、A51T+R172Q+L173T、A51T+R172N+A204V、A51L+R172N+N174S+A204T、A51T+R172N+L173*、A51T+R172Q、A51I+N174D、A51V+R172Q+L173F+N174S、A51T+R172D+N174Q、A51V+L173V+A204V、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51V+R172E+N174*、A51V+R172D、A51T+R172D+N174Q+G304Q+E345D+E346T+D476G+G477S、A51I+R172E+L173F、A51T+R172D+N174D、A51T+R172E+N174T、A51V+R172Q+L173T、A51V+N174Q+A204V、A51T+N174D+A204V、A51P+R172Q+N174D、A51T+R172N+A204V+G304Q+E345D+E346T+E391L+D476G+G477S、A51T+R172N+A204V+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、A51T+R172N+Y206I+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、V56T+A113Y+R171E、T40K+V56T+R171E、G67E+D112N+R172D+L173F+N174S+S466F、A47G+G67E+A111T+D112H+R245L+E346P+D476G+G477T、T40K+K72R、K72R+A113L+W167F+R172Q+N215G+Y363L、K72R+A113L+S255I+E345D+G477Q、K72R+A113L+W167F+S255I+E345D+G477Q、G73V+R172Q+N174E、V75I+R320A+S323N、G7Q+Q86H+R320A+S323M、A87D+R320S+S323M、Q98S+R320S、Q98A+R320A+S323N、Q98T+R320A+H324L、Q98A+A265S+R320A、Q98N+R320A+S323N、Q98S+R320A+S323N、Q98L+R320M+S323M、Q98K+K269N+R320A+S323M+H324Q、Q98N+R320S+S323N、Q98S+R320A、Q98A+R320A+S323M、Q98T+R320S+S323M、Q98A+R320S+S323M、Q98N+R320A+S323M+A354V、Q98N+R320A+S323M+E391L、Q98N+A113L+R320A+S323M、Q98N+Q169M+R320A+S323M、Q98N+R320A+H321N+S323N、Q98N+Y206I+M208Y+V213S+V214T+L217M+R320A+S323M、Q98N+Y206I+M208Y+V213T+V214T+L217M+R320A+S323M、D112H+G304A+E345D+E346T+D476Q+G477S、D112H+R320A+S323N、K108E+G110D+A111T+D112H+R320S+S323M、D112N+R320M+S323M+E449G、A113Y+R171E、A113Y+R171E+E391L、A113Y+R171E+Y363L+E391L+K423P、A113T+K302Q+E346T+D476G+G477K、A113Y+G149Q+R171E+D192E+Q280S、H1L+A113Y+R171E+D192E、A113T+G304S+E345D+E346P+D476G+G477Q、A113L+R172Q+N174D、A113L+W167F+R172Q+Y363L、A113L+W167F+R172Q+N215G、A113L+S255I+E345D+G477Q、A113L+R118D+W167F+S255I+E345D+G477Q、A113L+W167F+E345D+D476K+G477S、R118S+G182A+T193K、R118P+G182A、R118P+G182S、R118S+E134D、R118S、R118S+E134D+G182A+A727、R118S+G182A、R118S+N128L+G182S、R118D+K179L+G182A、R118D+K179L+G182A、R118P+G182N、R118S+N128Q+K179L、R118D+G182N、R118S+E134D+G182S、R118D+W167F+R172Q+N174D、R118D+R172Q+N174D、R118D+W167F+S255I+E345D+G477Q、N128F+K179L、N128Q+A442V、N128Q+K179L+A186S、E134D+K179L+G182N、G4V+E134D+K179L、E134D+A186E、T136N+R172Q+N174D+A204T、W140Y+R320A、W140Y+R172D+N174T、G149Q+R171E、R158G+N174E、W167F+R172Q+N174D、W167F+R172Q+E346T+Y363L、W167F+R172Q+E346T、W167F+S255I+E345D+G477Q、W167F+E345D+D476K+G477S、R171E+E391L、R171E+Y363L、H1L+R171E+D192E、T40K+R171E、R171E+H324L+Q361A+Y363L、R171E+Q361A+Y363LR171E+D192E+Y363L、R171E+K423P、R171E+D192E+Q280S+Q361A+Y363L+E391L+K423P、R171E+D192E+E345D+E346P+D476G、R171E+D192E+S255I+E345D+G477Q、R172Q+N174Q、R172Q+N174S、R172Q+L173F+N174Y、R172Q+N174T+A204T、R172Q+L173I+N174T、R172Q+L173I、R172Q+L173T+N174D、R172K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6K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+P146S+N174D+A204T、W140Y+W167F+R172K+A204V、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V+D476Y、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+R172E+A204T+K302Q+E346P+D476K+G477S、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在另一個優選的實施例中,a)是胺基酸R181+G184的缺失,並且b)中的改變包括以下改變的組合中的一種:H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、G50A+A113L+W167F+R172Q+A1066、G50A+W167F+R172Q+A1105、G50A+R118D+R172Q、G50A+A113L+R118D+R172Q、G50A+A113L+W167F+172Q、G50A+R172D+L173F+E471K、G50A+A51T+R172D+E345D+E346P+D476G、G50A+R172D+N174Q+E345D+E346P+D476G、G50A+R172D+N174D+E345D+E346P+D476G、G50A+A51V+R172N+N174T+A204T+E345D+E346P+D476G、G50A+R172D+N174T+E345D+E346P+D476G、G50A+N174T+E345D+E346P+D476G、G50A+R172N+N174T+E345D+E346P+D476G、G50A+A51V+L173F+N174D+E345D+E346P+D476G、G50A+A51T+R172D+S255I+E345D+G477Q、G50A+A51V+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、G50A+R172D+N174Q+S255I+E345D+G477QG50A+R172D+N174D+S255I+E345D+G477Q、G50A+A51V+R172N+N174T+A204T+S255I+E345D、G50A+R172D+N174T+S255I+E345D+G477Q、G50A+R172N+N174T+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D+G477Q、G50A+A51V+L173F+N174D+S255I+E345D、G50A+A51T+W140Y+P146S+R172D、G50A+A51T+W140Y+R172D、G50A+A51V+W140Y+R172E+L173F+N174T+A204V、G50A+W140Y+R172D+N174Q、G50A+W140Y+R172D+N174D、G50A+W140Y+P146S+R172D+N174D+E471K、G50A+A51V+W140Y+R172N+N174T+A204T、G50A+A51T+W140Y+R172N+L173V、G50A+W140Y+R172N+N174T、G50A+A51V+W140Y+P146S+L173F+N174D、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+Y206I+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+G304Q+E345D+E346T+A427V+D476G+G477S、G50A+R172D+N174Q+R320A+H321N+S323N、G50A+R172D+N174D+R320A+H321N+S323N、G50A+A51V+R172N+N174T+A204T+R320A+H321N+S323N、G50A+N174T+R320A+H321N+S323N、G50A+R172N+N174T+R320A+H321N+S323N、G50A+A51V+L173F+N174D+R320A+H321N+S323N、G50A+A51T+R172E+N174S+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+A113L+R172E+N174S+G304Q+E345D+E346T+V474T、G50A+A51T+A113L+R172E+N174S+G304V+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+Y206I+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213T+V214T+L217M、G50A+A51T+G149A+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V+R320A+S323N、G50A+A51T+W167F+R172N+L173V+Y206I+M208Y+V213S+V214T+L217M、G50A+A51T+W167F+R172N+L173V+Y206I+M208Y+V213T+V214T+L217M、A51V+R172D+L173F、A51V+R172Q+A204V、A51I+R172Q+L173F+A204T、A51V+L173I+N174S、A51T+L173T+N174S+A204T、W48L+A51T+R172Q+N174S+A204T、A51I+R172D、A51I+R172Q+N174E、A51I+R172E+N174T、A51V+R172Q+N174S+A204V、A51T+L173F+N174Q+A204V+A521、A51V+N174T+A204V、A51T+R172Q+L173T、A51T+R172N+A204V、A51L+R172N+N174S+A204T、A51T+R172N+L173*、A51T+R172Q、A51I+N174D、A51V+R172Q+L173F+N174S、A51T+R172D+N174Q、A51V+L173V+A204V、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51V+R172E+N174*、A51V+R172D、A51T+R172D+N174Q+G304Q+E345D+E346T+D476G+G477S、A51I+R172E+L173F、A51T+R172D+N174D、A51T+R172E+N174T、A51V+R172Q+L173T、A51V+N174Q+A204V、A51T+N174D+A204V、A51P+R172Q+N174D、A51T+R172N+A204V+G304Q+E345D+E346T+E391L+D476G+G477S、A51T+R172N+A204V+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、A51T+R172N+Y206I+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、V56T+A113Y+R171E、T40K+V56T+R171E、G67E+D112N+R172D+L173F+N174S+S466F、A47G+G67E+A111T+D112H+R245L+E346P+D476G+G477T、T40K+K72R、K72R+A113L+W167F+R172Q+N215G+Y363L、K72R+A113L+S255I+E345D+G477Q、K72R+A113L+W167F+S255I+E345D+G477Q、G73V+R172Q+N174E、V75I+R320A+S323N、G7Q+Q86H+R320A+S323M、A87D+R320S+S323M、Q98S+R320S、Q98A+R320A+S323N、Q98T+R320A+H324L、Q98A+A265S+R320A、Q98N+R320A+S323N、Q98S+R320A+S323N、Q98L+R320M+S323M、Q98K+K269N+R320A+S323M+H324Q、Q98N+R320S+S323N、Q98S+R320A、Q98A+R320A+S323M、Q98T+R320S+S323M、Q98A+R320S+S323M、Q98N+R320A+S323M+A354V、Q98N+R320A+S323M+E391L、Q98N+A113L+R320A+S323M、Q98N+Q169M+R320A+S323M、Q98N+R320A+H321N+S323N、Q98N+Y206I+M208Y+V213S+V214T+L217M+R320A+S323M、Q98N+Y206I+M208Y+V213T+V214T+L217M+R320A+S323M、D112H+G304A+E345D+E346T+D476Q+G477S、D112H+R320A+S323N、K108E+G110D+A111T+D112H+R320S+S323M、D112N+R320M+S323M+E449G、A113Y+R171E、A113Y+R171E+E391L、A113Y+R171E+Y363L+E391L+K423P、A113T+K302Q+E346T+D476G+G477K、A113Y+G149Q+R171E+D192E+Q280S、H1L+A113Y+R171E+D192E、A113T+G304S+E345D+E346P+D476G+G477Q、A113L+R172Q+N174D、A113L+W167F+R172Q+Y363L、A113L+W167F+R172Q+N215G、A113L+S255I+E345D+G477Q、A113L+R118D+W167F+S255I+E345D+G477Q、A113L+W167F+E345D+D476K+G477S、R118S+G182A+T193K、R118P+G182A、R118P+G182S、R118S+E134D、R118S、R118S+E134D+G182A+A727、R118S+G182A、R118S+N128L+G182S、R118D+K179L+G182A、R118D+K179L+G182A、R118P+G182N、R118S+N128Q+K179L、R118D+G182N、R118S+E134D+G182S、R118D+W167F+R172Q+N174D、R118D+R172Q+N174D、R118D+W167F+S255I+E345D+G477Q、N128F+K179L、N128Q+A442V、N128Q+K179L+A186S、E134D+K179L+G182N、G4V+E134D+K179L、E134D+A186E、T136N+R172Q+N174D+A204T、W140Y+R320A、W140Y+R172D+N174T、G149Q+R171E、R158G+N174E、W167F+R172Q+N174D、W167F+R172Q+E346T+Y363L、W167F+R172Q+E346T、W167F+S255I+E345D+G477Q、W167F+E345D+D476K+G477S、R171E+E391L、R171E+Y363L、H1L+R171E+D192E、T40K+R171E、R171E+H324L+Q361A+Y363L、R171E+Q361A+Y363L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4E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+P146S+N174D+A204T、W140Y+W167F+R172K+A204V、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V+D476Y、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+R172E+A204T+K302Q+E346P+D476K+G477S、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在另一個優選的實施例中,a)是胺基酸G182+G184的缺失,並且b)中的改變包括以下改變的組合中的一種:H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N1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477A、G50A+A51T+R172E+A204T+R320V+D476Y、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、R172D+N174Q+A204V+E346T+G477A、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+P146S+N174D+A204T、W140Y+W167F+R172K+A204V、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V+D476Y、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+R172E+A204T+K302Q+E346P+D476K+G477S、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在一個具體的實施例中,當在標準A洗滌劑中在15℃的溫度下測定時,所述變體具有至少1.1的改進因子(IF)。在一優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:Y363L、Y160L、W167L、W167F、K72S、K72R、T40K、T40M、H1*+H2*+G7S、Q361S、Q361A、E345S、E276S、W268F、V291A、V56A、V56T、R171E、K302A、L429A、A354V、K347M、K347A、N270Y+Y295N+N299T、Y295N+N299T、A113Y+R171E、T40K+K179S,H1L+R171E+D192E、T40K+R171E、R171E+H324L+Q361A+Y363L、R171E+Q361A+Y363L、A113Y+R171E+E391L、R171E+D192E+Y363L、A113Y+R171E+Y363L+E391L+K423P、408H、K423N、I430M、W140Y、R320A、W140Y+R320A、R172Y、A113N、R142K、R172L、R172LR172S、A113Y、A113L、R142S、R172P、R172T、R172V、R172A、L173V、N174Y、N174G、Y243E、Y243S、Y243G、Y243D、V165G、Y243T、P211D、K269L、K269N、K269I、K269V、K269M、E391A、E391M、K179S、E391L、E391H、K179A、K179T、H1G、H1S、H1L、K423L、K423H、K423P、K423T、L217F、K302R、N296Q、H1N、N197A、V165M、D192A、D192E、N281Q、N281S、V165A、V165G、M208S、A186M、H321A、H324R、H324W、S323E、N128T、T193G、T193A、T193N、H1*+H2E、H1*+H2V、Q280S、H1*+H2A、G304V、I430E、G149Q、G149A、Q169G、Q169M、N215A、N311L、L351C、N215G、L351H、N311E、N219S、N219E、N219T、H1*+N3C、A274T、L351S、G182A+V213T+V214S、H210S、H210Y、P211T、P211T+V213T,G182N+V213S、H210S+V214T、P211T、V213T+V214S、K269Q+A274W、K269H+A274E、K269Q+A274Y、K269Q+A274L、K269Q+A274M、K269Q+A274S、K269Q+A274G、K269V+A274Y、K269L+A274G、K269L+A274W、K269Q+A274R、K269R+A274G、K269H+A274C、R172Q+N174Q、R172Q+N174S、R172Q+L173F+N174Y、G50A+A51T+N174E、R172N、R172Q+N174T+A204T、N174S、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、R172K+L173I+N174S、G50A+A51V+R172N+N174S、R172Q+L173F+A204T、G50A+A51T+R172Q、G50A+R172Q+N174T、R172Q+N174T、G50A+R172Q+N174D、N174D+A204V、G50A+R172N+N174S、G50A+R172N+N174T、G73V+R172Q+N174E、R172N+L173T+N174Q+S303R、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、R172Q、L173T+N174Q+A204V、R172K+L173F、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+A51T+R172Q+L173V、G50A+R172D+N174D、G50A+R172D+N174Q、R172D+N174T、G50A+A51V+R172N+N174T+A204T、R172E、G304Q+E346P+D476K+G477A、E346P+G477Q、E346P+G477T、G304S+E345D+E346P+D476K+G477Q、E346P+D476Q+G477T、E346P+D476K+G477S、E345D+D476K+G477S、E346T+D476K+G477A、E345D+E346P+D476G、K302Q+E346P+D476K+G477S、G304A+E345D+E346P+D476G+G477K、G304Q+E346P+D476G、E346P+D476G+G477K、G304A+E346P+D476K+G477A、K302N+E345D+D476Q+G477Q、G304A+D476K+G477S、E345D+E346P+G477Q、L173F+N174Q、R172Q+L173F、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、R172D+L173F、R172D、A51V+R172Q+A204V、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、L173F、T136N+R172Q+N174D+A204T、G50A+R172Q+A204V、G50A+R172N+A204T、A51T+L173T+N174S+A204T、L173I+N174D、W48L+A51T+R172Q+N174S+A204T、G50A+A51V+R172E+L173F+N174T+A204V、G50A+R172Q+L444P、R172Q+L173T+N174S、L173F+A204T、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、R172Q+L173F+N174D、G50A+A51V+R172Q、R172Q+N174*、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、L173V+N174T、N174T、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、R172E+L173F+N174Q、A51I+R172E+N174T、G50A+A51I+A204V、R172Q+N174D、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、A274E+G304Q+G305S+E345D+D476K+G477Q、E346P+D476Q+G477S、E345D+E346P+D476G+G477T、E346T+D476K、E345D+D476Q+G477K、G304Q+E345D+E346T+D476G+G477S、E346T、G305S+E346T+D476Q+G477Q、E345D+E346T+D476Q+G477Q、K302Q+E345D+E346P+D476K+G477Q、E346T+G477K、E346P+G477S、K302Q+E346P+D476K+G477Q、G304A+E346P+D476G+G477A、E345D+D476Q+G477S、G304S+E346P+D476K+G477S、G304A+E345D+E346T+D476Q+G477Q、E346T+D476Q+G477A、R118L、R118S+G182A+T193K、R118P+G182A、R118P+G182S、R118S+E134D、E134D+K179L+G182N、R118S、R118S+G182A、R118S+N128L+G182S、G182S+A186V、R118D+K179L+G182A、R118P+G182N、R118S+E134D+G182S、E134D+A186E、N128F+K179L、N128Q+K179L+A186S、R118D、G304Q+E346P+D476G+G477S、E345D+D476G+G477S、D476K+G477Q、G304A+E345D+D476Q+G477Q、R172E+L173T+N174T、G50A+A51V+L173F+N174D、G50A+R172D+L173T、A51V+R172Q+N174S+A204V、G50A+R172D+L173T+N174S、G50A+N174D+A204T、R172Q+L173V、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、R172Q+L173F+N174D+A204T、G50A+A51T+R172Q+A204V、R172E+L173F+N174D、A51V+N174T+A204V、R172K+A204V、A51T+R172Q+L173T、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、A51T+R172N+A204V、G50A+A51T+R172E+L173I、N174Q+A204V、G50A+A51V+L173F+N174*、R172E+N174D+A204T、A51T+R172N+L173*、R172N+L173F+N174Q+V489G、R172E+L173F、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、A51T+R172Q、G50A+R172E+L173F+N174D、G67E+D112N+R172D+L173F+N174S+S466F、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、R172Q+L173V+A204T、A51V+R172Q+L173F+N174S、A51T+R172D+N174Q、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、A51V+L173V+A204V、G149Q+R171E、A113Y+G149Q+R171E+D192E+Q280S、H1L+A113Y+R171E+D192E、R171E+D192E+Q280S+Q361A+Y363L+E391L+K423P、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、R172Q+N174D+G304Q+E345D+E346T+D476G+G477S、K302N+E346T+D476Q+G477T、K302Q+D476G+G477A、S255I+E345D+G477Q、E346T+G477A、K302Q+E346P+D476K+G477A、G304A+E345D+E346P+D476Q+G477S、A47G+G67E+A111T+D112H+R245L+E346P+D476G+G477T、G304A+E346T+D476K+G477T、G304S+E345D+D476K+G477Q、K302N+E345D+D476G、A113T+G304S+E345D+E346P+D476G+G477Q、R320S+H324Q、R320S+S323M、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、Q98A+R320A+S323N、Q98T+R320A+H324L、G7E+Q98T+R320A、G7L+R320S+S323M+V489G、G7D+Q98A+R320M、G7E+Q98A+R320M、R320A+S323N、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7Q+R320S+S323M、Q98A+A265S+R320A、G7N+R320A、Q98N+R320A+S323N、R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、R320A+H324L、G7K+R320M+H321Q、R320S+S323N、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、R320A+H324Q、G304A+E346P+D476Q+G477T、K302Q+E346P+D476K、K302Q+E346P+G477Q、K302Q+D476G+G477Q、G304A+E345D+D476Q、E345D+E346P+D476Q+G477S、G304Q+E345D+E346T、E345D+E346T+D476G+G477S、V75I+R320A+S323N、G7X+Q98T+R320A、R320T、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、A87D+R320S+S323M、R320S+S323M+H324L、Q98K+K269N+R320A+S323M+H324Q、G7K+R320A+P408Q、G7K+R320A+H324L、R320A+H321W+S323M+H324Q、G7L+R320M+S323N、N28S+R320M+S323N、Q98S+R320A、G7E+R320A、T5*+G4*+N3*+R320A、G7E+R142I+R320A+E391K+A392P+R393*+Q394S、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、R320V+D476Y、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、R320A+H321N+S323N、G7E+R320M、G7Q+Q98T+R320A+S323M、Q98T+R320S+S323M,R320M+S323M+H324Q、G7K+R320A、Q98A+R320S+S323M、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、A51T+R172D+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+R172D+N174S、A51V+R172E+N174*、G50A+R172E+L173F+N174T、G50A+R172N、G50A+R172N+L173V、A51V+R172D、L173T+N174T+A204T、G50A+R172E+L173V+N174S、R172E+N174T、N28D+G109S+A119P+R172D+L173V+N174S、R172E+N174D、A51I+R172E+L173F、R172Q+A204V、G50A+A51T+R172E+N174T、R172Q+L173F+N174T、R172N+N174T+A204V、R172K+N174S、L173T+N174S+A204V、R172D+N174S、R172D+L173V+N174D、G50A+A51T+R172Q+L173I、R172Q+L173T+N174Q、R172Q+N174E、G50A+A51T+R172E+A204V、R172D+L173F+N174D、G50A+R172E+N174T、L173F+N174Q+A204V、G50A+R172N+A204T、R172E+L173I+A204T、G50A+R172Q+L173V、A51T+R172D+N174D、R172K+L173V+N174S+A204T、R172E+L173T+N174S+A204T、G50A+A51T+R172E、G50A+A51V+R172D+N174T、R172D+L173I+N174S、A51T+R172E+N174T、R172D+L173F+A447T+T453N、L173T+N174T+A204V、R172N+N174D、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、R172N+N174T+H324N、G50A+R172Q+L173T+N174Q、R172K+L173V+N174S+A204T+L429F、G50A+R172E+L173F+N174T、R172D+L173V、R172E+L173T+N174S、R172D+L173I+N174S、A51V+R172Q+L173T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、N174E、T40I+A51L+R172D+L173F、G50A+R172E+L173F+N174Q+A204T、R172K+L173F+N174Q+A204V、R158G+N174E、A51T+N174D+A204V、R172N+L173I、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、A113L+R172Q+N174D、R118D+W167F+R172Q+N174D、R118D+R172Q+N174D、W167F+R172Q+N174D、A204T+G304Q+E345D+E346T+D476G+G477S、R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、A113L+W167F+R172Q+Y363L、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、W167F+R172Q+E346T+Y363L、K72R+A113L+W167F+R172Q+N215G+Y363L、W167F+R172Q+E346T、A113L+W167F+R172Q+N215G、S255I+R320A+H321N+S323N+E345D+G477Q、G50A+A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+A204V+S255I+E345D+E346P+G477Q、W140Y+W167F+R172D+N174T+A204V+S255N+E345D+G477Q、W167F+R172D+N174T+A204V+S255I+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、T40K+Q98N+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+T431P、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W140Y+P146S+W167F+R172E+L173F+N174T+A204V+R320A+S323N、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+K302Q+E346P+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+K302Q+E346P+D476K+G477S、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、N174D+A204T+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+E345D+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477SR172N+N174Q+E345D+D406A+I411M+N446K、G50S+R172N+N174Q+E345D、G50A+N174D+A204T+E345D+D476K+G477S、G50A+N174D+A204T+S255I+E345D+G477Q、G50A+N174D+A204T+G304S+E345D+D476K+G477Q、N174D+A204T+G304S+E345D+D476K+G477Q、R172K+A204V+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、R172K+A204V+E345D+D476K+G477S、R172K+A204V+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E346T+D476K+G477A、G50A+R172N+A204T+E346T+D432A+D476K+G477A、G50A+R172N+A204T+E345D+D476K+G477S、G50A+R172N+A204T+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、T40K+K72R+W167F+K302Q+E346P+D476K、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、N174D+A204V+M208Y+V213T+V214T+L217M、R172E+N174D+A204T+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+E416K+K438N、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213S+V214T+L217M、R172K+A204V+M208Y+V213T+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M+R320A+S323N、G50A+A51V+R172N+N174T+A204T+E346T+G477A、G50A+A51V+R172N+N174T+A204T+R320V+D476Y、G50A+A51V+R172N+N174T+A204T+R320V、R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、G50A+A51T+R172N+L173V+R320V+D476Y、G50A+A51T+R172D+R320A+S323N、G50A+R172Q+L173T+E346T+G477A、R172Q+L173T+R320V+D476Y、N174D+A204T+R320V+D476Y、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320V、T40K+K72R+W167F+E346T+G477A、T40K+K72R+W167F+R320V+D476Y、G50A+A51V+R172E+N174S+E346T+G477A、G50A+A51V+N174S+R320V+D476Y、A51V+N174S+R320V+D476Y、G50A+A51T+R172E+A204T+E346T+G477A、G50A+A51T+R172E+A204T+R320V+D476Y、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、R172D+N174Q+A204V+E346T+G477A、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+R172D+N174Q+A204V+R320A+S323N、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、R172D+N174E+M208Y+V213S+V214T+L217M、,G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+E345D+E346P+D476G、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、G7K+T40K+W167F+R320A+S323N+P364S、G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準A洗滌劑中在15℃的溫度下測定時,所述變體具有至少1.3的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:W167F、K72S、K72R、T40K、T40M、H1*+H2*+G7S、E345S、V291A、V56A、V56T、R171E、A354V、A113Y+R171E、H1L+R171E+D192E、T40K+R171E、R171E+H324L+Q361A+Y363L、R171E+Q361A+Y363L、A113Y+R171E+E391L、A113Y+R171E+Y363L+E391L+K423P、W140Y、W140Y+R320A、R172Y、R142K、R172S、A113Y、A113L、R172T、R172V、Y243E、Y243S、Y243G、Y243D、V165G、P211D、K269M、K179S、E391H、K179T、V165M、V165G、T193G、Q169M、N215G、G50A+A51T+N174E、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+R172Q+N174T、R172Q、L173T+N174Q+A204V、E346T+D476K+G477A、E345D+E346P+D476G、K302Q+E346P+D476K+G477S、G304A+E345D+E346P+D476G+G477K,R172Q+L173F、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+A51V+R172D+L173F、G50A+A51V+R172D+L173F+N174Q+A204T、G50A+A51V+R172E+L173F+N174T+A204V、G50A+A51T+R172N+L173V、R172Q+L173F+N174D、G50A+R172E+L173F、L173V+N174T、N174T、G50A+R172Q+L173F+N174Q、R172E+L173F+N174Q、A51I+R172E+N174T、G50A+A51I+A204V、R172Q+N174D、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、A274E+G304Q+G305S+E345D+D476K+G477Q、E346P+D476Q+G477S、G304Q+E345D+E346T+D476G+G477S、E346T、R118S+G182A+T193K、R118P+G182A、R118P+G182S、R118S+E134D、R118D+K179L+G182A、N128Q+K179L+A186S、R118D、G304Q+E346P+D476G+G477S、G50A+R172D+L173T、R172Q+L173V、G50A+A51T+R172N+L173I+N174Q、R172E+L173F+N174D、R172K+A204V、A51T+R172Q+L173T、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、R172E+N174D+A204T、A51T+R172N+L173*、G50A+A51T+A87S+R172N+L173T+N174D、G67E+D112N+R172D+L173F+N174S+S466F、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、R172Q+L173V+A204T、A51T+R172D+N174Q、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、R171E+D192E+Q280S+Q361A+Y363L+E391L+K423P、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、K302Q+D476G+G477A、S255I+E345D+G477Q、G304S+E345D+D476K+G477Q、A113T+G304S+E345D+E346P+D476G+G477Q、G7Q+Q98S+R320S+H324Q、R320A+S323N、G7L+P211Q+S303G+R320A、G7Q+R320A+S323N、G7K+R320M+H321Q、R320S+S323N、G7X+Q98T+R320A、R320T、Q98K+K269N+R320A+S323M+H324Q、G7K+R320A+P408Q、G7L+R320M+S323N、N28S+R320M+S323N、T5*+G4*+N3*+R320A,G7E+R142I+R320A+E391K+A392P+R393*+Q394S、G7L+R320A+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、R320A+H321N+S323N,G7Q+Q98T+R320A+S323M、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、A51T+R172D+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+R172N+L173V、A51V+R172D、R172E+N174T、G50A+A51T+R172E+N174T、R172D+L173V+N174D、G50A+A51T+R172Q+L173I、R172Q+N174E、R172E+L173I+A204T、A51T+R172D+N174D、R172E+L173T+N174S+A204T、L173T+N174T+A204V、R172N+N174D、G50A+R172E+L173F+N174Q、G50A+R172N+N174E、R172K+L173V+N174S+A204T+L429F、R172D+L173V、R172D+L173I+N174S、A51V+R172Q+L173T、G50A+A51T+R172Q+L173V+A204V、R172N+L173I、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T,G50A+A113L+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、R118D+W167F+R172Q+N174D、R118D+R172Q+N174D、W167F+R172Q+N174D、A204T+G304Q+E345D+E346T+D476G+G477S、R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、A113L+W167F+R172Q+Y363L、T40K+G50A+R172Q+I430E、T40K+K72R+W167F、W167F+R172Q+E346T+Y363L、K72R+A113L+W167F+R172Q+N215G+Y363L、S255I+R320A+H321N+S323N+E345D+G477Q、G50A+A113L+W167F+R172Q、G50A+W167F+R172Q、G50A+A113L+R118D+R172Q,G50A+A113L+W167F+R172Q、G50A+R172D+L173F+E471K、G50A+A51T+R172D+S255I+E345D+G477Q、G50A+R172D+N174Q+S255I+E345D+G477Q、R171E+D192E+S255I+E345D+G477Q、G50A+R172D+N174D+S255I+E345D+G477Q、G50A+R172D+N174T+S255I+E345D+G477Q、G50A+A51T+W140Y+R172D、G50A+A51V+W140Y+R172E+L173F+N174T+A204V、G50A+W140Y+R172D+N174Q、G50A+A51T+W140Y+R172N+L173V、W140Y+R172D+N174T、A113L+R118D+W167F+S255I+E345D+G477Q、K72R+A113L+S255I+E345D+G477Q、K72R+A113L+W167F+S255I+E345D+G477Q、R118D+W167F+S255I+E345D+G477Q、Q98N+M208Y+V213T+V214T+L217M+R320A+S323M、R172E+N174D+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、R172E+N174D+A204T+G304Q+E345D+E346T+E391L、R172E+N174D+A204T+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+G304Q+E345D+E346T+A427V+D476G+G477S、G50A+R172D+N174Q+R320A+H321N+S323N、G50A+R172D+N174D+R320A+H321N+S323N、G50A+A51V+L173F+N174D+R320A+H321N+S323N、W167F+E345D+D476K+G477S、G50A+A51T+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213T+V214T+L217M、G50A+A51T+G149A+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V+R320A+S323N、G50A+A51T+W167F+R172N+L173V+M208Y+V213S+V214T+L217M、V165G、G50A+A51I+R172D+L173V、R172D+L173T+N174D+A204T、G50A+R172E+N174S、R172D+L173T+N174D、G50A+A51T+R172N+A204T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+D476K+G477A、T40K+K72R+Q98N+R320A+S323M、T40K+K72R+A113L+W167F、T40K+G50A+W167F+R172N+N174S+A204T、K72R+W167F+E346T+D476K+G477A+Y482F、G50A+A51V+K72R+W167F+R172E+L173F+N174T+A204V、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+A204V、T40K+G50A+A51V+R172N+N174T+A204T、T40K+G50A+A51V+W167F+R172N+N174T+A204T、T40K+G50A+A51V+K72R+R172N+N174T+A204T、T40K+K72R+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S,T40K+K72R+W167F+R172N+L173、+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+N174T+E346T+D476K+G477A,A51V+R172D+N174S+G305N+G465L+D467G、G50A+A51V+R172D+L173F+A204V+K302Q+D476G+G477S、G50A+A51V+L173Q+R172*+N174T+G305S+E346P+G477T、R172D+L173F+N174D+E345D+E346P+W469L、T40K+K72R+W167F+N174D+A204T、W140Y+W167F+N174D、G50A+W140Y+W167F+N174D+A204T、T40K+K72R+W167F+R172K+A204V、T40K+W167F+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、T40K+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、W140Y+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、A51T+W140Y+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172N+A204T、T40K+G50A+R172N+A204T、G50A+W140Y+R172N+A204T、G50A+W140Y+W167F+R172N+A204T、W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、W140Y+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172D+N174T+E345D+E346P+D476G、T40K+G50A+K72R+W167F+R172D+N174T+E345D+G477Q、G50A+W140Y+R172D+N174T+E345D+E346P+D476G、G50A+W140Y+W167F+R172D+L173F+N174T+G304Q+E345D+E346P+D476G、T40K+K72R+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、T40K+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、G50A+A51V+W140Y+P146S+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、G50A+R172D+N174Q+E345D+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477S、R172N+N174Q+E345D+D406A+I411M+N446K、G50S+R172N+N174Q+E345D、G50A+N174D+A204T+S255I+E345D+G477Q、G50A+N174D+A204T+G304S+E345D+D476K+G477Q、N174D+A204T+G304S+E345D+D476K+G477Q,R172K+A204V+E345D+D476K、G50A+R172N+A204T+E346T+D476K+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+S255I+E345D+G477Q、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、T40K+K72R+W167F+K302Q+E346P+D476K、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、N174D+A204V+M208Y+V213T+V214T+L217M、R172E+N174D+A204T+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213S+V214T+L217M、R172K+A204V+M208Y+V213T+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M+R320A+S323N、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320V、G50A+A51T+R172E+A204T+E346T+G477A、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、R172D+N174Q+A204V+E346T+G477A、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+W167F+S255I+E345D+G477Q、G50A+A51T+R172E+A204T+E346T+D476K+G477A、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+S255I+E345D+G477Q、G50A+R172D+N174Q+A204V+R320A+S323N、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、L173T+G184S+A204T、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、R172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172N+L173V+K302Q+E346P+D476K+G477S、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+R320A+H321N+S323N、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+R172D+N174D+E346T+D476K、G50A+R172N+N174T+E346T+D476K、R118P+W140Y、G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準A洗滌劑中在15℃的溫度下測定時,所述變體具有至少1.5的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:V291A、V56T、R171E、R172S、R172T、R172V、G50A+R172E+L173F、L173V+N174T、G50A+R172Q+L173F+N174Q、R172E+L173F+N174Q、G50A+A51I+A204V、R172Q+N174D、G50A+R172E+L173V+N174T、G50A+A51T+L173F、G304Q+E345D+E346T+D476G+G477S、E346T、R118P+G182A、N128Q+K179L+A186S、R118D、G50A+A51Q+R172Q、R172E+N174D+A204T、A51T+R172D+N174Q、G7L+R320A+S323M、G7K+R320A+S323N+P364S、G7H+Q98S+R320A+S323M+H324L、R320A+H321N+S323N、R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、R172D+L173V+N174D、R172Q+N174E、R172E+L173T+N174S+A204T、G50A+R172E+L173F+N174Q、G50A+A51T+R172Q+L173V+A204V、R118D+W167F+R172Q+N174D、R118D+R172Q+N174D、R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、A113L+W167F+R172Q+Y363L、T40K+G50A+R172Q+I430E、W167F+R172Q+E346T+Y363L、G50A+A113L+W167F+R172Q、G50A+W167F+R172Q、G50A+A51T+W140Y+R172D、R172E+N174D+A204T+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320A+S323N、T40K+G50A+A51V+K72R+R172N+N174T+A204T、W140Y+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172N+A204T、G50A+W140Y+R172N+A204T、T40K+G50A+K72R+W167F+R172D+N174T+E345D+G477Q、T40K+G50A+A51V+W167F+R172D+N174E、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、Y243D、V165G、R118S+E134D、G50A+A51T+W167F+R172N+L173V、A113L+R118D+W167F+S255I+E345D+G477Q、G50A+A51I+R172D+L173V、W140Y+W167F+N174D、T40K+W167F+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、A51T+W140Y+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+W140Y+W167F+R172N+A204T、W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172D+N174T+E345D+E346P+D476G、G50A+W140Y+W167F+R172D+L173F+N174T+G304Q+E345D+E346P+D476G、T40K+K72R+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、R172D+N174T+K302Q+E346P+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、L173T+A204T+E346T+G477A、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G7Q+T40K+K72R+W167F、R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、R172E+L173F+N174D+R320A+S323N、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M,當使用SEQIDNO:1進行編號時。在一個具體的實施例中,當在標準A洗滌劑中在40℃的溫度下測定時,所述變體具有至少1.1的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G7K+T40K+K72R+W167F、W140Y+W167F+A204V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、G50A+L173T+A204T+K302Q+E346P+D476K+G477S、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G,R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+N174S+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、R172N+L173V+E346T+D476K+G477A,R172N+L173V+E345D+E346P+D476G、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+E346T、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、G50A+R172N+N174T+E346T+D476K,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準A洗滌劑中在40℃的溫度下測定時,所述變體具有至少1.3的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:T40K、V56T、R171E、A113Y、K269L、K269M、E391A、E391L、H1L、H324L、G149A、K269Q+A274S、L173F、T136N+R172Q+N174D+A204T、G50A+R172E、E345D+E346T+D476Q+G477A、G50A+R172D+N174T+E345D+E346P+D476G、G50A+N174T+E345D+E346P+D476G、R172K+A204V+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E346T+D476K+G477A、G50A+R172N+A204T+E346T+D432A+D476K+G477A、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51T+R172E+A204T+E346T+D476K+G477A、R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174D+R320A+S323M+A442V+D476Y,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準J洗滌劑中在15℃的溫度下測定時,所述變體具有至少1.1的改進因子(IF)。在一個優選的實施例中,a)該變體包括對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:Y363L、Y160H、Y160L、W167L、W167F、Q169K、K72S、K72R、T40K、T40M、H1*+H2*+G7S、Q361S、Q361A、E345S、W268F、V291A、V56A、V56T、R171E、R171S、K302A、L351A、L429A、A354V、K347M、K347A、K483R、T282G、N270Y+Y295N、A113Y+R171E、T40K+K179S、R171E+E391L、R171E+Y363L、H1L+R171E+D192E、T40K+R171E、R171E+H324L+Q361A+Y363L、R171E+Q361A+Y363L、R171E+D192E+Y363L、A113Y+R171E+Y363L+E391L+K423P、K423N、I430M、R158A、W140Y、R320A、W140Y+R320A、R172Y、R142K、R172L、R172L、R172S、A113Y、A113L、R172T、R172V、R172A、L173V、Y243E、Y243F、Y243S、Y243G、Y243D、V165G、Y243T、N299K、P211D、K269L、K269N、K269I、K269V、K269M、R118G、R118P、K179M、E391A、E391M、K179S、E391L、E391K、E391H、K179T、H1G、H1W、H1R、H1K、H1S、H1L、K423L、K423H、K423P、K423T、K302R、H1N、N197A、V165M、D192A、D192E、V165A、V165G、V165L、M208A、A186M、H321V、Q98V、H324R、H324W、S323K、H324L、H324Q、H1*+H2E、H1*+H2V、Q280S、H1*+H2A、G304V、V410R、G304A、I430E、G149Q、Q169M、R181G、K461R、N311S、N311L、L351C、N215G、N311E、L351Q、N215G、N311D、D416L、A274W、H210S、H210S+P408Q、H210Y、P211T、P211T+V213T、H210S+V214T、P211T、V213T+V214S、K269Q+A274Y、K269Q+A274G、K269N+A274M、R172Q+N174Q、G50A+R172Q+L173F、R172Q+N174S、R172Q+L173F+N174Y、G50A+A51T+N174E、R172Q+N174T+A204T、N174S、R172Q+L173T+N174D、G50A+R172Q、R172K+L173I+N174S、R172Q+L173F+A204T、G50A+R172Q+N174T、R172Q+N174T、G50A+R172Q+N174D、N174D+A204V、G50A+R172N+N174S、G50A+R172N+N174T、G73V+R172Q+N174E、R172N+L173T+N174Q+S303R、G50S+R172K+N174D、N174T、G50A+A51T+K72H+R172Q+N174Q+A204V、A204V、R172Q、L173T+N174Q+A204V、R172K+L173F、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+A51T+R172Q+L173V、R172Q+L173I+N174S、L173V+N174S、G50A+R172D+N174D、G50A+R172D+N174Q、R172D+N174T、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、E345D+E346P+D476K+G477S、G304Q+D476G+G477K、E346P+D476K+G477S、E345D+D476K+G477S、E346T+D476K+G477A、E345D+E346P+D476G、K302Q+E346P+D476K+G477S、E346T+D476G+G477T、K302N+E345D+D476Q+G477Q、E345D+E346P+G477Q、L173F+N174Q、R172Q+L173F、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、R172D+L173F、R172D、A51V+R172Q+A204V、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172Q+A204V、L173I+N174D、W48L+A51T+R172Q+N174S+A204T、G50A+A51V+R172E+L173F+N174T+A204V、G50A+R172Q+L444P、R172Q+L173T+N174S、L173F+A204T、A51I+R172D、G50A+R172Q+N174S+A204T、R172Q+L173F+N174D、G50A+A51V+R172Q、R172Q+N174*、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、R172N+N174S、G50A+R172Q+L173F+N174Q、R172E+L173F+N174Q、A51I+R172E+N174T、G50A+A51I+A204V、R172Q+N174D、G50A+R172E+L173V+N174T、A274E+G304Q+G305S+E345D+D476K+G477Q、E346P+D476Q+G477S、E345D+E346P+D476G+G477T、G304Q+E345D+E346T+D476G+G477S、E345D+E346T+D476G+G477A、E346P+D476Q、G304Q+E346T+D476K+G477Q、K302N+G304Q+E346P+D476K、G304A+E346K+G477K、G273V+G304S+E346P+D476G+G477T、K302Q+E345D+E346P+D476K+G477Q、E346P+G477S、G305S+E346P+D476Q+G477T、E345D+E346P+D476Q+G477A、E346T+D476K+G477S、E345D+D476Q+G477S、G304S+E346P+D476K+G477S、E346P+D476K+G477T、G304A+E345D+E346T+D476Q+G477Q、E346T+D476Q+G477A、R118L,R118S+G182A+T193K、R118P+G182A、R118P+G182S、R118S+E134D、E134D+K179L+G182N、R118S、R118S+G182A、R118S+N128L+G182S、E134D、G182S+A186V、R118D+K179L+G182A、R118P+G182N、K179L、R118D+G182N、R118S+E134D+G182S、E134D+A186E、R118S+N128Q+K179L、G182A+P432H、N128F+K179L、K179L+G182A、N128Q+A442V、K179L+A186S、N128Q+K179L+A186S、R118D、E346T+D476Q+G477K、E345D+D476G+G477S、K302Q+G304S+E345D+D476G+G477Q、E345D+E346P+G477S、R172E+L173T+N174T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、R172Q+L173V、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、R172Q+L173F+N174D+A204T、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、A51T+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、R172E+L173F+N174D、A51V+N174T+A204V、R172K+A204V、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、A51T+R172N+A204V、G50A+A51T+R172E+L173I、N174Q+A204V、G50A+A51V+L173F+N174*、R172E+N174D+A204T、A51T+R172N+L173*、R172N+L173F+N174Q+V489G,R172E+L173F、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、A51T+R172Q、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、A51I+N174D、G50A+N174E+A204T、R172Q+L173V+A204T、A51V+R172Q+L173F+N174S、A51T+R172D+N174Q、G50A+A51T+R172E+N174S、R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、A51V+L173V+A204V、E391L+K423P、T40K+V56T+R171E、G149Q+R171E、A113Y+G149Q+R171E+D192E+Q280S、H1L+A113Y+R171E+D192E、R171E+D192E+Q280S+Q361A+Y363L+E391L+K423P、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、R172Q+N174D+G304Q+E345D+E346T+D476G+G477S、K302Q+D476G+G477A、G304A+E346P+D476G+G477S、S255I+E345D+G477Q、E346T+G477A、G304A+E345D、K302Q+E346P+D476K+G477A、K302Q+E346P+G477A、G304S+E345D+D476K+G477Q、K302N+E345D+D476G、A113T+G304S+E345D+E346P+D476G+G477Q、R320S+S323M、G7E+R320M+S323M、D112H+R320A+S323N、K108E+G110D+A111T+D112H+R320S+S323M、R320A+S323N、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、Q98A+R320A+S323N、Q98T+R320A+H324L、G7E+Q98T+R320A、G7E+Q98A+R320M、G7N+R320S、R320A+S323N、G7L+P211Q+S303G+R320A、Q98A+A265S+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、Q98N+R320A+S323N、R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、R320A+H324L、G7S+R320A+S323N+H324Q、Q98S+R320A+S323N、G7K+R320M+H321Q、R320S+S323N、G7N+R320A+S323N、R320M+S323N、G7Q+R320S+H321N+S323M、R320A+H324Q、K302Q+E346P+D476K、K302Q+E346P+G477Q、K302Q+D476G+G477Q、E345D+E346P+D476Q+G477S、G304Q+E345D+E346T、E345D+E346T+D476G+G477S、D112N+R320M+S323M+E449G、V75I+R320A+S323N、G7X+Q98T+R320A、R320T、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、A87D+R320S+S323M、Q98K+K269N+R320A+S323M+H324Q、G7K+R320A+P408Q、G7K+R320A+H324L、Q98N+R320S+S323N、R320A+H321W+S323M+H324Q、R320S+S323M+H324Q、G7L+R320M+S323N、N28S+R320M+S323N、Q98S+R320A、G7E+R320A、T5*+G4*+N3*+R320A、G7E+R142I+R320A+E391K+A392P+R393*+Q394S、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323MR320V+D476Y、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、R320A+H321N+S323N、G7E+R320M、Q98A+R320A+S323M、G7Q+Q98T+R320A+S323M、R320M+S323M+H324Q、G7K+R320A、G7K+T246M+R320A+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、A51T+R172D+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+R172D+N174S、A51V+R172D、L173T+N174T+A204T、G50A+R172E+L173V+N174S、R172E+N174T、N28D+G109S+A119P+R172D+L173V+N174S、R172E+N174D、A51I+R172E+L173F、R172Q+A204V、G50A+A51T+R172E+N174T、R172N+N174T+A204V、R172K+N174S、R172D+N174S、R172D+L173V+N174D、G50A+A51T+R172Q+L173I、R172Q+N174E、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、R172D+N174D、L173V+N174D、R172D+L173F+N174D、G50A+R172E+N174T、L173F+N174Q+A204V、L173T+N174S+A204V+T255K、G50A+R172N+A204T、R172E+L173I+A204T、G50A+R172Q+L173V、A51T+R172D+N174D、R172K+L173V+N1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346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+E416K+K438N、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213S+V214T+L217M、R172K+A204V+M208Y+V213T+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M+R320A+S323N、G50A+A51V+R172N+N174T+A204T+E346T+G477A、G50A+A51V+R172N+N174T+A204T+R320V+D476Y、G50A+A51V+R172N+N174T+A204T+R320V、R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、G50A+A51T+R172N+L173V+R320V+D476Y、G50A+A51T+R172D+R320A+S323N、G50A+R172Q+L173T+E346T+G477A、R172Q+L173T+R320V+D476Y、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320V、T40K+K72R+W167F+E346T+G477A、T40K+K72R+W167F+R320V+D476Y、G50A+A51V+R172E+N174S+E346T+G477A、G50A+A51T+R172E+A204T+E346T+G477A、G50A+A51T+R172E+A204T+R320V+D476Y、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、R172D+N174Q+A204V+E346T+G477A、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+P146S+N174D+A204T、W140Y+W167F+R172K+A204V、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、Q98N+W167F+R320A+S323M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+W167F+R172N+A204V+G304Q+E345D+E346T、A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+A113L+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、G50A+A51V+A113L+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+R172N+N174T+A204T+R320A+S323N、G50A+A51V+N174S+R320A+S323N、G50A+R172D+N174D+R320V、G50A+A51T+R172E+A204T+E346T+D476K+G477A、L173T+A204T+K302Q+E346P+D476K+G477S、R172D+N174Q+E346T+D476K+G477A、L173T+A204T+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+E345D+D476K+G477S、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+A51T+N174S+A204T+S255I+E345D+G477Q、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+A51V+R172D+N174E+M208Y+V213S+V214T+L217M、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477AR172E+L173F+N174D+G304S+E345D+D476K+G477Q、R172E+L173F+N174D+E345D+E346P+D476G、R172E+L173F+N174D+R320A+S323N、R172E+L173F+N174D+E346T+A354V+G477A、R172E+L173F+N174D+E346T+G477A、R172E+L173F+N174D+R320V+D476Y、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、R172N+L173V+E345D+E346P+D476G、R172N+L173V+R320A+S323N、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、T5K+R172E+L173F+R320A+S323N、T5K+R172E+L173F+R320V+D476Y、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213T+V214T+L217M+R320A+H324Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T、K72R+W167F+E346T+D476K、R118P+W140Y、G50A+A51V+R118P+R172N+N174T+G184S+A204T、R172N+N174T+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、G7K+T40K+K72R+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準J洗滌劑中在15℃的溫度下測定時,所述變體具有至少1.3的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:W167F、K72S、K72R、T40K、T40M、Q361S、V291A、V56T、R171E、R171S、H1L+R171E+D192E、T40K+R171E、R171E+H324L+Q361A+Y363L、A113Y+R171E+Y363L+E391L+K423P、W140Y、R172S、A113Y、A113L、R172T、Y243G、Y243D、K269M、R118P、E391A、E391M、K179S、E391L、E391H、K179T、H1G、K423P、H324R、I430E、N215G、H210Y、P211T、H210S+V214T、G50A+R172Q、G73V+R172Q+N174E、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、R172Q、L173T+N174Q+A204V、G50A+A51T+R172Q+L173V、G50A+R172D+N174D、G50A+R172D+N174Q、R172D+N174T、G50A+A51V+R172N+N174T+A204T、E346P+D476K+G477S、E345D+E346P+G477Q、R172Q+L173F、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+A51V+R172D+L173F、R172D+L173F、R172D、G50A+R172K、G50A+A51V+R172D+L173F+N174Q+A204T、G50A+R172Q+L173I+N174T+A204T、G50A+A51V+R172E+L173F+N174T+A204V、R172Q+L173F+N174D、G50A+A51V+R172Q、R172Q+N174*、G50A+A51T+R172D、G50A+R172E+L173V+N174T、A274E+G304Q+G305S+E345D+D476K+G477Q、K302N+G304Q+E346P+D476K、K302Q+E345D+E346P+D476K+G477Q、E346T+D476Q+G477A、R118L、R118S+G182A+T193K、R118P+G182A、R118P+G182S、R118S+E134D、E134D+K179L+G182N、R118S+G182A、G182S+A186V、R118D+K179L+G182A、R118P+G182N、R118S+E134D+G182S、E134D+A186E、N128Q+K179L+A186S、R118D、R172Q+L173V、R172E+L173F+N174D、G50A+A51T+R172E+L173I、R172E+N174D+A204T、A51T+R172N+L173*、R172E+L173F、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172D+N174T、G50A+R172D、R172Q+L173V+A204T、A51T+R172D+N174Q、G50A+A51T+R172E+N174S、G149Q+R171E、A113Y+G149Q+R171E+D192E+Q280S、H1L+A113Y+R171E+D192E、R171E+D192E+Q280S+Q361A+Y363L+E391L+K423P、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、R172Q+N174D+G304Q+E345D+E346T+D476G+G477S、S255I+E345D+G477Q、E346T+G477A、G304S+E345D+D476K+G477Q、A113T+G304S+E345D+E346P+D476G+G477Q、G7Q+Q98S+R320S+H324Q、Q98A+R320A+S323N、G7N+R320S,R320A+S323N、G7L+P211Q+S303G+R320A、Q98A+A265S+R320A、R320M、G7P+R320S+S323K、G7Q+R320A+S323N、R320A+H324Q、G7X+Q98T+R320A、G7E+Q98A+K302R+R320A+S323N、G7K+R320A+P408Q、G7L+R320M+S323N、G7L+R320A+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、R320V+D476Y、G7H+Q98S+R320A+S323M+H324L,G7Q+R320S+H321N、R320A+H321N+S323N、Q98A+R320A+S323M、G7Q+Q98T+R320A+S323M、R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、A51T+R172D+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、R172Q+A204V、R172N+N174T+A204V、R172D+N174S、R172D+L173V+N174D、G50A+A51T+R172E+A204V、R172D+L173F+N174D、G50A+R172E+N174T、L173F+N174Q+A204V、G50A+R172N+A204T、R172E+L173I+A204T、A51T+R172D+N174D、R172K+L173V+N174S+A204T、R172E+L173T+N174S+A204T、G50A+A51V+R172D+N174T、R172D+L173I+N174S、L173T+N174T+A204V、R172N+N174D、G50A+A51T+R172Q+L173V+A204V、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+A113L+R172N+L173V、R118D+W167F+R172Q+N174D、W167F+R172Q+N174D、A204T+G304Q+E345D+E346T+D476G+G477S、R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、A113L+W167F+R172Q+Y363L、T40K+G50A+R172Q+I430E、T40K+K72R+W167F、W167F+R172Q+E346T+Y363L、K72R+A113L+W167F+R172Q+N215G+Y363L、G50A+R172D+L173F+E471K、G50A+A51T+R172D+S255I+E345D+G477Q、G50A+R172D+N174T+S255I+E345D+G477Q、R172K+A204V+S255I+E345D+G477Q、R172K+A204V+S255I+E345D+K423P+G477Q、G50A+A51T+W140Y+R172D、G50A+A51V+W140Y+R172E+L173F+N174T+A204V、G50A+W140Y+R172D+N174Q、G50A+W140Y+R172N+N174T、G50A+A51V+W140Y+P146S+L173F+N174D、A113L+R118D+W167F+S255I+E345D+G477Q、K72R+A113L+W167F+S255I+E345D+G477Q、Q98N+M208Y+V213T+V214T+L217M+R320A+S323M、R172E+N174D+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、R172E+N174D+A204T+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、A51T+R172N+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172N+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+G304Q+E345D+E346T+A427V+D476G+G477S、G50A+R172D+N174Q+R320A+H321N+S323N、G50A+R172D+N174D+R320A+H321N+S323N、G50A+A51V+R172N+N174T+A204T+R320A+H321N+S323N、G50A+R172N+N174T+R320A+H321N+S323N、G50A+A51T+R172E+N174S+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、G50A+A51T+A113L+R172E+N174S+G304Q+E345D+E346T+V474T、G50A+A51T+Q169M+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213T+V214T+L217M、G50A+A51T+G149A+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V+R320A+S323N、G50A+A51T+W167F+R172N+L173V+M208Y+V213S+V214T+L217M、G50A+A51T+W167F+R172N+L173V+M208Y+V213T+V214T+L217M、R172N+L173F+N174Q+G304Q+R320A+S323N+E345D+E346T+D476G+G477S、T40K+K72R+W167F+R320A+S323N、R172D+L173I+N174S、G50A+A51I+R172D+L173V、G50A+A51L+R172N+L173V+A204T、R172D+L173T+N174D+A204T、R172N+L173V、G50A+R172K+N174Q、T5K+R172E+L173F、R172D+L173T+N174D、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+D476K+G477A、G4S+Y16D+T40K+G50A+R172N+N174S+A204T、T40K+G50A+K72R+W167F+R172N+N174S+A204T、G4S+T40K+K72R+Q98N+W167F+R218K+N226T+R320A+S323M、T40K+K72R+Q98N+R320A+S323M、T40K+K72R+R118D+W167F、T40K+A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172N+N174S+A204T、K72R+W167F+E346T+D476K+G477A+Y482F、G50A+A51V+K72R+W167F+R172E+L173F+N174T+A204V、K72R+Q98N+W167F+R320A+S323M、T40K+K72R+Q98N+W167F+R320A+S323M、T40K+G50A+A51V+R172N+N174T+A204T、T40K+G50A+A51V+W167F+R172N+N174T+A204T、T40K+G50A+A51V+K72R+R172N+N174T+A204T、T40K+K72R+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、L173F+N174D+A354V、L173F+N174E+G477S、G50A+A51V+R172D+L173F+A204V+K302Q+D476G+G477S、G50A+A51V+L173Q+R172*+N174T+G305S+E346P+G477T、R172D+L173F+N174D+E345D+E346P+W469L、T40K+K72R+W167F+N174D+A204T、W140Y+W167F+N174D、G50A+W140Y+W167F+N174D+A204T、T40K+K72R+W167F+R172K+A204V、T40K+W167F+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、T40K+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、W140Y+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、A51T+W140Y+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172N+A204T、T40K+G50A+R172N+A204T、G50A+W140Y+R172N+A204T、G50A+W140Y+W167F+R172N+A204T、W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、W140Y+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172D+N174T+E345D+E346P+D476G、T40K+G50A+K72R+W167F+R172D+N174T+E345D+G477Q、G50A+W140Y+R172D+N174T+E345D+E346P+D476G、G50A+W140Y+W167F+R172D+L173F+N174T+G304Q+E345D+E346P+D476G、T40K+K72R+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、T40K+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、W167F+R172D+N174T+A204V+S255I+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、G50A+A51V+W140Y+P146S+W167F+R172E+L173F+N174T+A204V+R320A+S323N、T40K+G50A+A51V+K72R+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+K302Q+E346P+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、G50A+R172D+N174Q+E345D+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477S、R172N+N174Q+E345D+D406A+I411M+N446K、G50S+R172N+N174Q+E345D、G50A+N174D+A204T+E345D+D476K+G477S、G50A+N174D+A204T+S255I+E345D+G477Q、G50A+N174D+A204T+G304S+E345D+D476K+G477Q、N174D+A204T+G304S+E345D+D476K+G477Q、R172K+A204V+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、R172K+A204V+E345D+D476K+G477S、R172K+A204V+G304S+E345D+D476K+G477Q、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+S255I+E345D+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、N174D+A204V+M208Y+V213T+V214T+L217M、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M+R320A+S323N、G50A+A51V+R172N+N174T+A204T+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、G50A+A51T+R172D+R320A+S323N、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、T40K+K72R+W167F+E346T+G477A、T40K+K72R+W167F+R320V+D476Y、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+R320A+S323N、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320A+S323M+D476Y、G50A+R172D+N174Q+R320V+D476Y、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、T40K+K72R+W167Y、T40K+K72R+W167H、W140Y+W167F+A204V、R172K+M208Y+V213T+V214T+L217M、R172K+M208Y+V213S+V214T+L217M、W140Y+W167F+S255I+E345D+G477Q、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、G7K+T40K+W167F+R320M+H321Q、G7K+T40K+K72R+W167F+R320M+H321Q、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+K72R+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+L85F+R172N+L173V+Q319K+R320A+S323N、R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+S255I+E345D+G477Q、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51V+R172D+N174E+R320A+S323N、G50A+A51V+R172D+N174E+G315E+R320A+S323N、G50A+A51T+R172E+A204T+E345D+D476K+G477S、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E,T40K+G50A+A51V+W167F+R172D+N174E、T40K+W167F+L173T+A204T、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、T40K+G50A+R172D+N174D+E346T+D476K+G477A、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、R172E+L173F+N174D+E346T+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、T5K+R172E+L173F+K302Q+E346P、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+L173F+N174D+M208Y+V213S+V214T+L217M、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、G50A+R172N+N174T+E346T+D476K、R118P+W140Y,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準J洗滌劑中在15℃的溫度下測定時,所述變體具有至少1.5的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:Y363L、W167F、R171E、W140Y、R118P、E391A、E391L、E391H、K179T、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+A51V+R172D+L173F、R118S+G182A+T193K、R118P+G182A、R118P+G182S、N128Q+K179L+A186S、R118D、R171E+D192E+Q280S+Q361A+Y363L+E391L+K423P、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G7L+P211Q+S303G+R320A、G7L+R320A+S323M、G7K+R320A+S323N+P364S、R320A+H321N+S323N、R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、A51T+R172D+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+L173V+A204V、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51T+W167F+R172N+L173V、W167F+R172Q+E346T+Y363L、G50A+A51T+W140Y+R172D、G50A+W140Y+R172N+N174T、R172E+N174D+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+G304Q+E345D+E346T+A427V+D476G+G477S、G50A+R172D+N174Q+R320A+H321N+S323N、G50A+R172D+N174D+R320A+H321N+S323N、G50A+A51T+R172E+N174S+G304Q+R320A+H321N+S323N+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213T+V214T+L217M、G50A+A51T+G149A+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V+R320A+S323N、T40K+K72R+W167F+R320A+S323N、G50A+A51I+R172D+L173V、R172D+L173T+N174D+A204T、R172N+L173V、T40K+G50A+K72R+W167F+R172N+N174S+A204T、G4S+T40K+K72R+Q98N+W167F+R218K+N226T+R320A+S323M、T40K+K72R+Q98N+R320A+S323M、T40K+G50A+A51V+K72R+R172N+N174T+A204T、T40K+K72R+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+A204V+K302Q+D476G+G477S、T40K+K72R+W167F+R172K+A204V、W140Y+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、A51T+W140Y+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172N+A204T、T40K+G50A+W167F+R172D+N174T+E345D+E346P+D476G、T40K+G50A+K72R+W167F+R172D+N174T+E345D+G477Q、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、R172D+N174T+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、R172K+A204V+E345D+D476K+G477S、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、T40K+K72R+W167F+E346T+G477A、L173T+A204T+E346T+G477A、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476YG50A+A51V+W167F+R172E+L173F+N174T+A204V+G304、+E345D+E346T+D476G+G477T、G7Q+T40K+K72R+W167F、W167F+Q169M+R172E+N174S、W140Y+W167F+A204V、G7K+W167F+R320M+H321Q、G7K+K72R+W167F+R320M+H321Q、R172D+N174Q+E346T+D476K+G477A、G50A+A51V+R172D+N174E+E346T+D476K+G477A、R172E+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+R172E+N174S+G184S、G50A+A51T+R118P+R172E+G184S+A204T、R118P+L173T+G184S+A204T、G50A+A51V+R118P+R172D+N174E+G184S、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、G50A+R118P+R172D+N174D+G184S+E346T+D476K+G477A、R172N+L173V+E345D+D476K+G477S、R172N+L173V+S255I+E345D+G477Q、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+R320A+S323N+Y482F、G50A+R172D+N174Q+E346T、G50A+R172D+N174Q+R320V、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、T40K+K72R+R118P+W167F+G184S+M208Y+V213S+V214T+L217M、G50A+R172D+N174D+E346T+D476K,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準J洗滌劑中在30℃的溫度下測定時,所述變體具有至少1.1的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:T40K、Q361S、Q361A、E345S、E276S、W268F、V291A、V56A、V56T、R171E、K302A、L429A、A354V、K347M、A113Y+R171E、T40K+K179S、R171E+E391L、H1L+R171E+D192E、T40K+R171E、E471N、W140Y、R320A、A113Q、R172Y、A113N、R142K、R172L、R172L、R172S、A113Y、A113L、R142T、R172T、R172V、R172A、N174L、I241F、N174Y、N174G、Y243E、Y243I、Y243S、Y243G、Y243D、V165G、Y243T、N299K、Y160Q、P211D、K269L、K269N、K269R、F155Y、K269I、K269V、K269M、R118G、R118P、K179P、K179R、E391A、E391M、E391L、E391H、K179T、H1G、H1R、H1K、H1S、H1L、L217M、K423L、K423H、K423P、K423T、L217F、K302R、N296Q、H1N、D192E、N281Q、V165A、V165G、A186V、N281L、N281V、A186T、H321L、H324R、H324L、G7L、N128H、G182N、T193G、H1*+H2E、H1*+H2V、Q280S、G304R、V410R、G304A、G305S、I430E、G149Q、G149A、D476G、Q169M、R171H、N311S、N215G、N311E、G182A+V213T+V214S、H210S、H210Y、P211T+V213T、G182N+V213S、H210S+V214T、K269Q+A274W、K269H+A274C、K269N+A274M、G50A+R172Q+L173F、R172Q+L173F+N174Y、N174S、G50A+R172Q、R172K+L173I+N174S、G50A+A51T+R172Q、G50A+R172Q+L173T、G50A+R172Q+L173V、G50A+R172Q+N174D、G50A+R172N+N174S、G50A+R172N+N174T、R172Q、L173T+N174Q+A204V、G50A+R172Q+L173T+N174D、G50A+A51V+R172N+N174T+A204T、K302Q+E346P+D476K+G477S、G304Q+E346P+D476G、G304A+E346P+D476K+G477A、E346T+D476G+G477T、K302N+E345D+D476Q+G477Q、E345D+E346P+G477Q、R172Q+L173F、G50A+N174S、N174D、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、R172D+L173F、A51V+R172Q+A204V、G50A+R172K、G50A+R172Q+N174S、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172N+A204T、L173I+N174D、W48L+A51T+R172Q+N174S+A204T、G50A+A51V+R172E+L173F+N174T+A204V、G50A+R172Q+L444P、L173F+A204T、R172Q+L173F+N174D、G50A+A51V+R172Q、R172Q+N174*、G50A+A51T+R172D、G50A+R172E+L173F、L173V+N174T、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、R172E+L173F+N174Q、A51I+R172E+N174T、G50A+A51I+A204V、R172Q+N174D、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51T+L173F、A274E+G304Q+G305S+E345D+D476K+G477Q、E345D+D476Q+G477K、G304A+E345D+D476Q+G477A、G304Q+E345D+E346T+D476G+G477S、E346T、K302N+E345D+D476G+G477K、K302N+G304Q+E346P+D476K、G304Q+E345D+E346T+D476G+G477T、K302N+E346P+D476Q+G477K,E345D+D476Q、G304S+E345D+E346T+D476Q+G477A、E346P+D476K+G477T、G304A+E345D+E346T+D476Q+G477Q、G304S+E346P+D476K+G477K、K302Q+E346P+D476K+G477T、E346T+D476Q+G477A、G304A+E345D+E346P+D476K+G477Q、R118S+G182A+T193K、R118P+G182A、E134D+K179L+G182N、G4V+E134D+K179L、E134D+A186E、N128F+K179L、N128Q+A442V、N128Q+K179L+A186S、R118D、E345D+D476Q+G477A、G304Q+E346P+D476G+G477S、E346T+D476K+G477Q+V489G、E346T+D476Q+G477K、E345D+D476G+G477S、D476K+G477Q、K302Q+G304S+E345D+D476G+G477Q、E345D+D476Q+G477Q、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、A51V+R172Q+N174S+A204V、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、R172K+A204V、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、A51T+R172N+A204V、G50A+A51T+R172E+L173I、N174Q+A204V、G50A+A51V+L173F+N174*、R172E+N174D+A204T、A51T+R172N+L173*、R172N+L173F+N174Q+V489G、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、R172Q+L173V+A204T、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、A51V+L173V+A204V、A113Y+G149Q+R171E+D192E+Q280S、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、R172Q+N174D+G304Q+E345D+E346T+D476G+G477S、K302Q+G304A+E345D+E346T+D476Q+G477Q、G305A+E345D、K302Q+E345D+D476K+G477Q、S255I+E345D+G477Q、E346T+G477A、G304A+E345D、K302Q+E346P+D476K+G477A、G305S+E345D+D476K+G477Q、K302N+E345D+E346P+D476Q+G477S、G304A+E346T+D476K+G477T、G304S+E345D+D476K+G477Q、R320S+S323M、K108E+G110D+A111T+D112H+R320S+S323M、Q98S+R320S、R320A+S323N、G7K+R320M+H321Q、R320S+S323N、R320A+H324Q、G304A+E346P+D476Q+G477T、K302Q+G304Q+D476K+G477K、G305S+E346P+D476K+G477Q、G304Q+E345D+E346T、R320A+H321W+S323M+H324Q、R320S+S323M+H324Q、Q98S+R320A、T5*+G4*+N3*+R320A、G7L+R320A+S323M、G7K+R320A+S323N+P364S、R320V+D476Y、G7H+Q98S+R320A+S323M+H324L、R320A+H321N+S323N、G7Q+Q98T+R320A+S323M、R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172N+L173V、R172E+N174T、R172Q+A204V、G50A+A51T+R172E+N174T、R172Q+L173F+N174T、R172K+N174S、R172Q+N174E、G50A+A51T+R172E+A204V、L173F+N174Q+A204V、L173T+N174S+A204V+T255K、G50A+R172N+A204T、R172E+L173I+A204T、G50A+R172Q+L173V、A51T+R172D+N174D、R172N+N174D、G50A+A51V+R172Q+N174Q、G50A+R172Q+L173T+N174Q、R172K+L173V+N174S+A204T+L429F、R172K+L173T、G50A+A51T+R172Q+L173V+A204V、R172Q+L173T、R172K+L173F+N174Q+A204V、R158G+N174E、A51T+N174D+A204V、G50A+R118D+W167F+R172D+N174Q、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+A113L+R172N+L173V、W167F+R172Q+N174D、A204T+G304Q+E345D+E346T+D476G+G477S、R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、A113L+W167F+R172Q+N215G、G50A+A113L+W167F+R172Q、G50A+W167F+R172Q、G50A+A113L+W167F+R172Q、G50A+A51T+R172D+E345D+E346P+D476G、G50A+R172D+N174Q+E345D+E346P+D476G、R171E+D192E+E345D+E346P+D476G、G50A+R172D+N174D+E345D+E346P+D476G、G50A+R172D+N174T+E345D+E346P+D476G、G50A+R172N+N174T+E345D+E346P+D476G、G50A+A51V+R172N+N174T+A204T+S255I+E345D、R172K+A204V+S255I+E345D+G477Q、R172K+A204V+S255I+E345D+K423P+G477Q、G50A+A51T+W140Y+R172D、G50A+W140Y+R172D+N174Q、G50A+A51V+W140Y+R172N+N174T+A204T、G50A+W140Y+R172N+N174T、G50A+A51V+W140Y+P146S+L173F+N174D、A113L+S255I+E345D+G477Q+V489G、K72R+A113L+W167F+S255I+E345D+G477Q、W167F+S255I+E345D+G477Q、Q98N+M208Y+V213S+V214T+L217M+R320A+S323M、Q98N+M208Y+V213T+V214T+L217M+R320A+S323M、R172E+N174D+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+A87S+Q169M+R172N+L173T+N174D+G304Q+E345D+E346T+A427V+D476G+G477S、G50A+R172D+N174Q+R320A+H321N+S323N、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213T+V214T+L217M、G50A+A51T+W167F+R172N+L173V+M208Y+V213T+V214T+L217M、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、L173F、Y160L、V165G、G50A+R172Q+L173V、G50A+R172N+A204T、G50A+A51I+R172D+L173V、R172D+L173T+N174D+A204T、R172N+L173V、T5K+R172E+L173F、A47S+G50A+R172K+L173F+N174D、R172D+L173T+N174D,G50A+A51T+R172N+L173V+E345D+E346P+D476G、N174D+A204T+E346T+D476K+G477A、T40K+G50A+K72R+W167F+R172N+N174S+A204T、G4S+T40K+K72R+Q98N+W167F+R218K+N226T+R320A+S323M、T40K+K72R+Q98N+R320A+S323M、T40K+K72R+A113L+W167F、T40K+G50A+W167F+R172N+N174S+A204T、T40K+K72R+E345D+E346P+D476G、K72R+W167F+E346T+D476K+G477A+Y482F、T40K+K72R+Q98N+W167F+R320A+S323M、T40K+G50A+A51V+R172N+N174T+A204T、T40K+G50A+A51V+K72R+R172N+N174T+A204T、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+N174T+E346T+D476K+G477A、G50A+L173T+N174E+A204T+E345D+S424Q、L173F+N174D+A354V、L173F+N174E+G477S、G50A+A51V+R172D+L173F+A204V+K302Q+D476G+G477S、G50A+A51V+L173Q+R172*+N174T+G305S+E346P+G477T、W140Y+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172N+A204T、G50A+W140Y+R172N+A204T、W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、W140Y+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172D+N174T+E345D+E346P+D476G、T40K+G50A+K72R+W167F+R172D+N174T+E345D+G477Q、G50A+W140Y+R172D+N174T+E345D+E346P+D476G、G50A+W140Y+W167F+R172D+L173F+N174T+G304Q+E345D+E346P+D476G、T40K+K72R+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、T40K+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255N+E345D+G477Q、W167F+R172D+N174T+A204V+S255I+E345D+G477Q、W140Y+W167F+R172D+N174T+A204V+S255I+E345D+E346P+G477Q、T40K+Q98N+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+T431P、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、G50A+A51V+W140Y+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+K302Q+E346P+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+K302Q+E346P+D476K+G477S、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、N174D+A204T+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+K302Q+E346P+D476K+G477S、G50A+R172D+N174Q+E345D+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477S、G50S+R172N+N174Q+E345D+E346P+D476G、R172N+N174Q+E345D+D406A+I411M+N446K、G50S+R172N+N174Q+E345D、G50A+N174D+A204T+E345D+D476K+G477S、G50A+N174D+A204T+S255I+E345D+G477Q、G50A+N174D+A204T+G304S+E345D+D476K+G477Q、N174D+A204T+G304S+E345D+D476K+G477Q、R172K+A204V+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、R172K+A204V+E345D+D476K+G477S、R172K+A204V+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E346T+D476K+G477A、G50A+R172N+A204T+E346T+D432A+D476K+G477A、G50A+R172N+A204T+E345D+D476K+G477S、G50A+R172N+A204T+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E345D+E346P+D476G、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+D476K+G477S、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M,G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、N174D+A204V+M208Y+V213T+V214T+L217M、R172E+N174D+A204T+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、R172E+N174D+A204T+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+E346T+G477A、R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y,G50A+R172Q+L173T+E346T+G477A、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、R172E+L173F+N174T+A204V+E345D+E346T+G477A、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E346T+G477A、T40K+K72R+W167F+E346T+G477A、T40K+K72R+W167F+R320V+D476Y、G50A+A51V+R172E+N174S+E346T+G477A、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、L173T+A204T+E346T+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+A51V+R172D+N174E+R320S+S323N+D476Y、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G7Q+T40K+K72R+W167F、G7E+T40K+K72R+W167F、T40K+K72R+W167Y、A51T+K72R+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、T40K+A51T+W167F+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174D+R320V、R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174Q+A204V+E345D+D476K+G477S、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+A204V+E345D+E346P+D476G、G50A+A51T+L85F+R172E+A204T+E345D+E346P+D476G、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+E346T+D476K+G477A、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51T+R172E+A204T+E345D+D476K+G477S、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、T40K+G50A+A51V+W167F+N174S、T40K+G50A+A51V+K72R+W167F+R172E+N174S、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+W167F+L173T+A204T、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172D+N174Q+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+R172S+N174S+E346T+D476K+G477A、G50A+R172T+N174S+E346T、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174D+R320A+S323M+A442V+D476Y、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+G304S+E345D+D476K+G477Q、G50A+R172D+N174Q+E346T、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172N+L173F+N174Q+V213S+V214T+L217M+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A113T+R172D+N174Q+E346T+D476K、G50A+R172D+N174D+E346T+D476K、N174D+E345D+E346P+D476K、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、K72R+W167F+E346T+D476K、R118P+W140Y、G7K+T40K+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準J洗滌劑中在30℃的溫度下測定時,所述變體具有至少1.3的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:Y363L、Q361S、Q361A、E345S、E276S、V291A、V56A、V56T、R171E、T40K+R171E、G149Q+R171E+Q361A+Y363L+K423P、W140Y、R172Y、A113N、R142K、R172L、R172L、R172S、A113Y、A113L、R172T、R172V、Y243S、Y243G、Y243D、V165G、Y243T、K269V、K269M、E391M、E391L、H1K、H1S、H1L、L217M、K423T、L217F、N296Q、H1N、V165A、G304R、V410R、G305S、I430E、G149Q、N215G、N174S、G50A+R172Q、G50A+R172Q+L173T、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、R172D+L173F、G50A+R172K、G50A+R172Q+N174S、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E+L173F、L173V+N174T、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、R172E+L173F+N174Q、A51I+R172E+N174T、G50A+A51I+A204V、R172Q+N174D、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51T+L173F、E345D+D476Q+G477K、G304Q+E345D+E346T+D476G+G477S、E346T、E345D+D476Q、G304A+E345D+E346T+D476Q+G477Q、R118S+G182A+T193K、E345D+D476G+G477S、G50A+N174E+A204T、G50A+A51T+R172E+N174S、K302Q+G304A+E345D+E346T+D476Q+G477Q、S255I+E345D+G477Q、G304S+E345D+D476K+G477Q、R320V+D476Y、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、R172K+L173F+N174Q+A204V、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+K72R+W167F、K72R+A113L+W167F+S255I+E345D+G477Q、Q98N+M208Y+V213T+V214T+L217M+R320A+S323M、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+A51V+K72R+R172N+N174T+A204T、G50A+A51V+L173Q+R172*+N174T+G305S+E346P+G477T、W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、T40K+G50A+W167F+R172D+N174T+E345D+E346P+D476G、G50A+W140Y+W167F+R172D+L173F+N174T+G304Q+E345D+E346P+D476G、T40K+K72R+W167F+R172K+A204V+M208Y+V213S+V214T+L217M+S255I+R320A+H324Q+E345D+G477Q、W167F+R172D+N174T+A204V+S255I+E345D+G477Q、T40K+Q98N+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+T431P、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+R415K、Q98N+W140Y+W167F+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+K302Q+E346P+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、G50A+A51V+R172N+N174T+A204T+K302Q+E346P+D476K+G477S、G50A+A51V+R172N+N174T+A204T+E345D+D476K+G477S、G50S+R172N+N174Q+E345D、R172K+A204V+K302Q+E346P+D476K+G477S、R172K+A204V+E345D+D476K、G50A+R172N+A204T+E345D+D476K+G477S、T40K+K72R+W167F+S255I+E345D+G477Q、T40K+K72R+W167F+G304S+E345D+D476K+G477Q、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、L173T+A204T+R320V+D476Y、G50A+A51V+R172D+N174E+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+G304Q+E345D+E346T+D476G+G477T、G50A+A51T+R172N+L173V+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+K302Q+E346P+D476K+G477S、G50A+A51V+R172D+N174E+G304S+E345D+D476K+G477Q、G50A+A51V+R172D+N174E+E345D+E346P+D476G、G50A+A51T+R172E+A204T+E345D+D476K+G477S、G50A+R172D+N174D+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+N174S+M208Y+V213S+V214T+L217M、G50A+A51V+R172E+N174S+M208Y+V213S+V214T+L217M、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、T40K+G50A+A51V+K72R+W167F+R172D+N174E、T40K+G50A+K72R+W167F+L173T+A204V、G50A+R172S+N174S+E346T+D476K+G477A、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+E345D+D476K+G477S、R172E+L173F+N174D+S255I+E345D+G477Q、T5K+R172E+L173F+K302Q+E346P+D476K+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+Q169M+R172E+N174S+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、T40K+K72R+W167F+R172N+L173F+N174Q+G304Q+E345D+E346T+G465K+D476G、K72R+W167F+E346T+D476K,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個具體的實施例中,當在標準J洗滌劑中在30℃的溫度下測定時,所述變體具有至少1.5的改進因子(IF)。在一個優選的實施例中,該變體包括a)對應於R181+G182、R181+H183、R181+G184、G182+H183、G182+G184、H183+G184,優選G182+H183的胺基酸的成對缺失,以及b)以下改變的組合中的一種:E345S、V56T、R171E、R172Y、A113N、R142K、R172L、R172L、A113Y、A113L、Y243G、E391M、H1K、H1L、I430E、G50A+R172E+L173F、L173V+N174T、G50A+R172Q+L173F+N174Q、R172E+L173F+N174Q、G50A+A51I+A204V、R172Q+N174D、G50A+R172E+L173V+N174T、G50A+A51T+L173F、E345D+D476Q+G477K、G304Q+E345D+E346T+D476G+G477S、E346T、R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、L173F、Y160L、V165G、G50A+A51I+R172D+L173V、R172D+L173T+N174D+A204T、R172N+L173V、T5K+R172E+L173F、R172D+L173T+N174D、G50A+A51T+R172N+L173V+E345D+E346P+D476G、N174D+A204T+E346T+D476K+G477A、T40K+G50A+K72R+W167F+R172N+N174S+A204T、G4S+T40K+K72R+Q98N+W167F+R218K+N226T+R320A+S323M、T40K+K72R+Q98N+R320A+S323M、T40K+K72R+A113L+W167F、T40K+G50A+W167F+R172N+N174S+A204T、T40K+K72R+E345D+E346P+D476G、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G+G477S、G50A+L173T+N174E+A204T+E345D+S424Q、L173F+N174D+A354V、G50A+A51V+R172D+L173F+A204V+K302Q+D476G+G477S、W140Y+R172E+N174D+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+W140Y+R172N+A204T、T40K+G50A+W167F+R172D+N174T+E345D+E346P+D476G、W167F+R172D+N174T+A204V+S255I+E345D+G477Q、T40K+K72R+Q98N+W167F+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M、Q98N+W140Y+R172K+A204V+M208Y+V213T+V214T+L217M+S255I+R320A+S323M+E345D+V474I、G50A+A51T+R172D+K302Q+E346P+D476K+G477S、G50A+A51T+R172D+E345D+D476K+G477S、G50A+A51T+R172N+L173V+E345D+D476K+G477S、G50A+A51V+A113L+R172E+L173F+N174T+A204V+E345D+L405V+T414K、N174D+A204T+K302Q+E346P+D476K+G477S、R172D+N174T+K302Q+E346P+D476K+G477S、R172N+N174Q+E345D+D406A+I411M+N446K、G50A+N174D+A204T+E345D+D476K+G477S、N174D+A204T+G304S+E345D+D476K+G477Q、R172K+A204V+G304S+E345D+D476K+G477Q、G50A+R172N+A204T+E346T+D432A+D476K+G477A、G50A+R172N+A204T+E345D+E346P+D476G、G50A+A51V+W167F+R172E+L173F+N174T+M208Y+V213S+V214T+L217M+E346T+D476K+G477A、G50A+A51V+R172N+N174T+A204T+M208Y+V213T+V214T+L217M、G50A+A51V+R172N+N174T+A204T+M208Y+V213S+V214T+L217M、R172E+N174D+A204T+M208Y+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、A51T+R172N+A204V+M208Y+V213S+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、G50A+R172N+A204T+M208Y+V213T+V214T+L217M、G50A+R172N+A204T+M208Y+V213S+V214T+L217M、G50A+A51V+W167F+R172E+L173F+N174T+A204V+M208Y+V213T+V214T+L217M、R172N+L173V+E346T+G477A、G50A+A51T+R172N+L173V+R320A+S323M+D476Y、G50A+R172Q+L173T+E346T+G477A、R172K+A204V+R320A+S323N、G50A+A51V+W167F+R172E+L173F+N174T+A204V+E346T+G477A、G50A+A51V+W167F+R172E+L173F+N174T+A204V+R320V+D476Y、G50A+A51V+R172E+N174S+E346T+G477A、G50A+A51T+R172E+A204T+R320V+N457T+D476Y、G50A+A51V+R172D+N174E+R320V+D476Y、G50A+R172D+N174Q+E346T+G477A、G50A+R172D+N174Q+R320V+D476Y、G50A+R172N+A204T+K302Q+E346P+D476K+G477S、G7K+T40K+K72R+W167F、G50A+A51V+R172N+N174T+A204T+G304Q+E345D+E346T+D476G+G477T、G50A+R172Q+L173T+G304Q+E345D+E346T+D476G+G477T、G50A+R172D+N174D+R320V、L173T+A204T+G304S+E345D+D476K+G477Q、G50A+R118P+R172D+N174Q+G184S+E346T+D476K+G477A、G50A+A51V+R118P+N174S+G184S、G50A+R118P+R172E+G184S+A204T、T40K+G50A+A51V+W167F+N174S、T40K+W167F+L173T+A204T、G50A+R172S+N174S+E346T+D476K+G477A、G50A+R118P+R172D+N174Q+E346T+D476K+G477A、G50A+R172D+N174Q+G304S+E345D+I464T+G465E+D476K+G477Q、G50A+R172D+N174Q+E346T、R172E+L173F+N174D+K302Q+E346P+D476K+G477S、G57R+R172E+L173F+N174D+K302Q+E346P、R172E+L173F+N174D+E346T+D476K+G477A、R172E+L173F+N174D+T246M+S255I+E345D+G477Q、G50A+A51T+K72R+W167F+Q169M+R172E+N174S+G304Q+E345D+E346T、R172E+L173F+N174D+V213T+V214T+L217M、G50A+R118P+R172D+N174T+E345D+E346P+D476G、R118P+R172E+N174D+G184S+A204T+G304Q+E345D+E346T+E391L+D476G+G477S、G50A+A51T+R118P+R172E+N174S+G184S+V213T+V214T+L217M+G304Q+E345D+E346T+D476G+G477S、N174D+E345D+E346P+D476K、T40K+K72R+R172N+L173F+N174Q+G304Q+E345D+E346T+D476G、G50A+R172N+N174T+E346T+D476K、R118P+W140Y、G7K+T40K+W167F+R320A+S323N+P364S,當使用SEQIDNO:1進行編號時。在一個實施例中,該親本α-澱粉酶具有SEQIDNO:1、SEQIDNO:2、SEQIDNO:4、SEQIDNO:7、SEQIDNO:8、SEQIDNO:9、SEQIDNO:10、SEQIDNO:11、SEQIDNO:12、SEQIDNO:13、SEQIDNO:14、SEQIDNO:15、或SEQIDNO:16中所示的胺基酸序列。在一個實施例中,本發明的α-澱粉酶變體是分離的變體。在一個優選的實施例中,a)包括對應於H183+G184的胺基酸的成對缺失。在另一個實施例中,a)包括對應於R181+G182的胺基酸的成對缺失。在另一個實施例中,a)包括對應於R181+H183的胺基酸的成對缺失。在另一個實施例中,a)包括對應於R181+G184的胺基酸的成對缺失。在另一個實施例中,a)包括對應於G182+H183的胺基酸的成對缺失。在另一個實施例中,a)包括對應於G182+G184的胺基酸的成對缺失。在另一個實施例中,a)進一步包括在R181、G182、H183和G184的非缺失的位置中的一個或兩個處的取代。在一個實施例中,本發明的變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在一個實施例中,本發明的變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:4的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:7的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:8的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:9的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:10的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:11的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:12的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:13的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:14的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:15的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少90%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少91%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少92%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少93%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少94%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少96%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少97%序列一致性但小於100%序列一致性。在又另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少98%序列一致性但小於100%序列一致性。在另一個實施例中,該變體與具有SEQIDNO:16的胺基酸序列的多肽具有至少99%序列一致性但小於100%序列一致性。與親本α-澱粉酶(例如,SEQIDNO:2的α-澱粉酶)相比或與相對於如本發明的變體的a)而言具有相應改變的SEQIDNO:1的α-澱粉酶相比,由此獲得的變體具有改進的洗滌性能。即,本發明的變體的洗滌性能可優選地與相對於a)的改變具有與變體相同的改變的親本α-澱粉酶進行比較。因此,如果本發明的變體是SEQIDNO:1的α-澱粉酶的變體,所述變體包含a)181*+182*的缺失,和b)本發明的取代中的一個或多個,則該洗滌性能優選地可以與具有181*+182*胺基酸缺失的SEQIDNO:1進行比較並得以改進。這些變體還具有以下優點,即它們在低溫下具有超過本領域已知的α-澱粉酶(如SP707α-澱粉酶(本文的SEQIDNO:4),其比本發明的變體相對於a)具有對應的改變)的改進的洗滌性能。如果在實例1的一種或多種條件下改進洗滌性能,即如果改進因子(IF)在以下任一種中高於1.0,則洗滌性能被認為是改進的:a)在15℃下的標準洗滌劑A中,其中該α-澱粉酶變體濃度為0.2mg/L洗滌溶液,b)在40℃下的標準洗滌劑A中,其中該α-澱粉酶變體濃度為0.05mg/L洗滌溶液,c)在15℃下的標準洗滌劑J中,其中該α-澱粉酶變體濃度為0.2mg/L洗滌溶液,或在d)在30℃下的標準洗滌劑J中,其中該α-澱粉酶變體濃度為0.05mg/L洗滌溶液。實例1中描述了這些洗滌條件。優選地,該改進因子(IF)是1.05以上。在另一個實施例中,該變體是親本α-澱粉酶的變體,該變體由以下多核苷酸編碼,該多核苷酸在中嚴格條件、中-高格條件、高嚴格條件或非常高嚴格條件下與(i)SEQIDNO:3的成熟多肽編碼序列、或(ii)(i)的全長互補體雜交。在一個優選實施例中,本發明涉及以下多核苷酸,該多核苷酸在高嚴格條件下與(i)SEQIDNO:3的成熟多肽編碼序列,或(ii)(i)的全長互補體雜交。在另一個優選實施例中,本發明涉及以下多核苷酸,該多核苷酸在非常高嚴格條件下與(i)SEQIDNO:3的成熟多肽編碼序列,或(ii)(i)的全長互補體雜交。SEQIDNO:3的多核苷酸或其子序列,連同SEQIDNO:1和2的多肽或其片段可根據本領域熟知的方法用於設計核酸探針以鑑定和克隆來自不同屬或種的株系的、編碼具有α-澱粉酶活性的多肽的DNA。具體地,可以遵循標準DNA印跡程序,使用此類探針與感興趣的細胞的基因組DNA或cDNA雜交,以便鑑定和分離其中的對應基因。這類探針可以明顯短於完整序列,但是長度應為至少15,例如至少25、至少35、或至少70個核苷酸。優選地,核酸探針的長度為至少100個核苷酸,例如長度為至少200個核苷酸、至少300個核苷酸、至少400個核苷酸、至少500個核苷酸、至少600個核苷酸、至少700個核苷酸、至少800個核苷酸、或至少900個核苷酸。DNA和RNA探針二者均可使用。通常將探針標記以探測相應的基因(例如,用32P、3H、35S、生物素或抗生物素蛋白標記)。這類探針涵蓋於本發明中。可以針對與以上描述的探針雜交並且編碼出具有α-澱粉酶活性的多肽的DNA對從這類其他菌株製備的基因組DNA或cDNA庫進行篩選。可以通過瓊脂糖或聚丙烯醯胺凝膠電泳,或通過其它分離技術分離來自這些其它菌株的基因組或其它DNA。來自文庫的DNA或分離的DNA可轉移到並固定在硝酸纖維素或其他適合的載體材料上。為了鑑定與SEQIDNO:3或其子序列雜交的克隆或DNA,將載體材料用於DNA印跡中。出於本發明的目的,雜交表明多核苷酸在非常低到非常高嚴格條件下與一種被標記的核酸探針雜交,該探針對應於(i)SEQIDNO:3;(ii)SEQIDNO:3的成熟多肽編碼序列;(iii)其全長互補體;或(iv)其子序列。可以使用例如X-射線膠片或本領域已知的任何其他檢測手段來檢測在這些條件下核酸探針雜交的分子。在另一個實施例中,本發明涉及具有α-澱粉酶活性的α-澱粉酶變體,該α-澱粉酶變體由以下多核苷酸編碼,該多核苷酸與SEQIDNO:3的成熟多肽編碼序列具有至少70%如至少80%,或至少90%如至少95%、至少96%、至少97%、至少98%、至少99%、或100%的序列一致性。在另外的實施例中,本發明涉及α-澱粉酶變體,該α-澱粉酶變體具有α-澱粉酶活性並且與SEQIDNO:1具有至少95%序列一致性,該多肽由以下多核苷酸編碼,該多核苷酸與SEQIDNO:3的成熟多肽編碼序列具有至少70%如至少80%、或至少85%或至少90%的序列一致性。本發明還提供了改進具有SEQIDNO:1的胺基酸序列或與其具有至少90%序列一致性的親本α-澱粉酶的洗滌性能的方法,所述方法包括以下步驟:a)在對應於SEQIDNO:1的成熟多肽位置R181、G182、H183和G184的親本α-澱粉酶中的位置,取代和/或缺失兩個或更多個胺基酸,以及b)將在以下位置:1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483中的一個或多個處的取代,和/或對應於SEQIDNO:1的成熟多肽的1、2、3、4、5、172、173、或174的一個或多個位置處的缺失引入親本α-澱粉酶,其中該所得的變體與SEQIDNO:1的成熟多肽具有至少95%如至少97%但小於100%序列一致性,並且其中該所得的變體具有α-澱粉酶活性和與親本α-澱粉酶相比的改進的洗滌性能。在一個實施例中,步驟a)包括缺失在位置R181、G182、H183和G184處的所述胺基酸中的兩個,如這些胺基酸對應於SEQIDNO:1的R181+G182、R181+H183、R181+G184、G182+H183、G182+G184或H183+G184。在一個優選的實施例中,缺失在位置183+184處的胺基酸。在一個實施例中,b)包括選自下組的取代或缺失或由它們組成,該組由以下各項組成:H1*、H1L、H1G、H1W、H1R、H1K、H1S、H1L、H1N、H1V、H2*、H2E、H2V、H2A、H2C、H2Q、N3*、N3C、N3D、N3S、N3C、G4*、G4V、G4S、T5*、T5K、G7S、G7L、G7E、G7Q、G7D、G7N、G7K、G7A、G7P、G7H、M9V、Y16D、N25D、R26Q、N28D、N28S、S36D、T40K、T40M、T40I、A47G、A47S、W48L、G50A、G50S、A51T、A51V、A51I、A51L、A51Q、A51P、A51S、A51F、V56A、V56T、G67E、K72S、K72R、K72H、G73V、V75I、V75F、L85F、Q86H、A87S、A87D、Q98V、Q98S、Q98A、Q98N、Q98T、Q98L、Q98K、G109S、D112H、D112N、A113Y、A113H、A113Q、A113S、A113N、A113L、A113T、R118K、R118G、R118P、R118L、R118S、R118D、A119P、N128G、N128V、N128L、N128T、N128H、N128M、N128F、N128Q、G133Q、G133V、E134D、T136N、W140Y、T141S、R142Q、R142K、R142T、R142S、D144Q、D144T、P146S、G149Q、G149R、G149K、G149A、G149L、F155Y、R158G、R158A、Y160H、Y160L、Y160R、Y160Q、Y160G、V165G、V165M、V165A、V165L、V165Q、V165S、W167L、W167F、W167Y、W167H、Q169K、Q169R、Q169G、Q169M、R171E、R171S、R171H、R172*、R172Y、R172L、R172S、R172P、R172T、R172V、R172A、R172M、R172Q、R172K、R172N、R172D、R172E、L173V、L173T、L173F、L173I、N174L、N174Y、N174G、N174Q、N174S、N174E、N174T、N174D、N174H、K179S、K179M、K179P、K179R、K179A、K179T、K179L、R181G、G182N、G182A、G182S、G182N、G182V、G184S、G184N、G184*、A186E、A186V、A186S、A186T、A186M、A186W、A186H、D192E、D192A、D192G、T193V、T193M、T193S、T193G、T193A、T193N、E194S、E194A、N195F、N197A、M200L、M202A、A204T、A204V、A204G、I206Y、M208S、M208G、M208W、M208Y、H210M、H210Y、H210S、H210D、P211E、P211G、P211V、P211D、P211A、P211W、P211T、P211H、P211Q、E212D、V213T、V213S、V214I、V214S、V214T、N215A、N215G、N215D、L217M、L217F、R218K、N219S、N219K、N219E、N219T、N219G、N219R、W220F、N226T、I241F、Y243E、Y243L、Y243I、Y243F、Y243S、Y243G、Y243D、Y243T、Y243P、T246M、S255I、S255N、S255K、A265S、W268F、W268L、K269G、K269S、K269L、K269R、K269N、K269I、K269V、K269M、K269Q、K269H、N270A、N270P、N270G、N270Y、G273V、A274K、A274W、A274T、A274S、A274E、A274C、A274Y、A274L、A274M、A274H、A274R、A274V、A274I、E276S、E276N、Q280R、Q280S、Q280K、Q280H、T282G、N283H、N283L、N283D、N283V、N283A、N283R、N283G、V291A、H294G、Y295N、N296Q、N299K、N299G、N299T、K302A、K302R、K302Q、K302N、S303R、S303G、G304R、G304V、G304A、G304S、G304Q、G305S、G305A、G305N、G305R、G305T、N311S、N311L、N311E、N311D、G315E、Q319K、R320K、R320A、R320S、R320M、R320T、R320V、H321V、H321A、H321L、H321Q、H321N、H321W、H321K、S323K、S323E、S323W、S323M、S323N、S323R、S323Q、H324R、H324W、H324L、H324Q、H324A、H324N、D330A、D330S、D330S、D330A、*336aG、*336bH、*336cG、*336dG、E336G、F343W、E345A、E345S、E345D、E346G、E346A、E346P、E346T、E346K、K349M、K349A、L351A、L351C、L351H、L351Q、L351S、L351K、A354V、L355V、Q361S、Q361A、Y363L、P364S、T376K、P380Q、R383K、E391A、E391T、E391M、E391L、E391K、E391H、E391N、H402N、L405V、D406A、P408H、P408Q、V410R、I411M、T414K、R415K、E416K、D418L、D418N、D418E、D418H、K423N、K423W、K423L、K423H、K423P、K423T、S424Q、A427V、L429A、L429F、I430M、I430L、I430E、T431P、K438N、R439G、A442V、N446K、A447V、A447T、E449K、E449G、K463R、N457T、K463R、I464T、I464S、G465L,S466F、D467G、W469L、E471N、E471K、H473S、V474T、V474I、D476G、D476K、D476Q、D476Y、G477A、G477S、G477Q、G477K、G477T、S478A、Y482F、K483R、H1*+H2E、H1*+H2V、H1*+H2A、H1*+N3C、H1L+A113Y+R171E+D192E、H1*+H2*+G7S、H1L+R171E+D192E、H2C、T5*+G4*+N3*+R320A、G4V+E134D+K179L、G7E+R320M+S323M、G7Q+Q98S+R320S+H324Q、G7E+R320A+H324Q、G7L+Q98N+R320A+S323N、G7E+Q98T+R320A、G7L+R320S+S323M、G7D+Q98A+R320M、G7N+Q98L+R320A+S323M、G7E+Q98A+R320M、G7N+R320S、G7K+R320A+S323M+H324L、G7L+P211Q+S303G+R320A、G7N+R320A+S323M、G7Q+R320S+S323M、G7N+R320A、G7E+R320A+S323M、G7A+Q98L+R320M、G7A+R320M、G7P+R320S+S323K、G7Q+R320A+S323N、G7L+Q98A+R320A+S323M、G7Q+R320M+S323N+H324W、G7S+R320A+S323N+H324Q、G7L+R320A、G7K+R320M+H321Q、G7N+R320A+S323N、G7Q+R320S+H321N+S323M、G7Q+R320A+S323M、G7L+R320S+S323M、G7N+Q98S+R320M+S323N、G7Q+R320A+S323R、G7E+Q98A+K302R+R320A+S323N、G7A+R320S+H321W+S323M、G7K+R320A+P408Q、G7K+R320A+H324L、G7L+R320M+S323N、G7L+R320A+S323M、G7E+R320A+P320Q+S323M、G7K+R320A+S323N+P364S、G7Q+R320A+H321Q+S323M、G7N+R320M、G7H+Q98S+R320A+S323M+H324L、G7Q+R320S+H321N、G7E+R320M、G7Q+Q98T+R320A+S323M、G7K+R320A、G7K+T246M+R320A+S323M、G7N+M9V+Q98A+R320S+S323M、G7Q+Q98A+R320M+S323M、G7Q+Q86H+R320A+S323M、N28D+G109S+A119P+R172D+L173V+N174S、N28S+R320M+S323N、T40I+A51L+R172D+L173F、T40K+G50A+R172Q+I430E、T40K+E346T、T40K+K72R+W167F、T40K+K72R+W167F+R320A+S323N、T40K+K72R+W140Y+W167F、G50A+R172Q+L173F、G50A+A51T+N174E、G50A+A51T+N174E、G50A+L173F、G50A+A51T+R172Q+N174Q+E471K、G50A+R172Q、G50A+A51V+R172N+N174S、G50A+A51T+R172Q、G50A+L173F+N174Q、G50A+R172Q+N174T、G50A+R172Q+L173T、G50A+R172Q+N174D、G50A+L173F+N174T、G50A+R172N+N174S、G50A+R172N+N174T、G50S+R172K+N174D、G50A+A51T+K72H+R172Q+N174Q+A204V、G50A+L173V+N174S、G50A+R172Q+L173T+N174D、G50A+N174E、G50A+L173T、G50A+A51T+R172Q+L173V、G50A+N174T+A204V、G50A+R172D+N174D、G50A+R172D+N174Q、G50A+L173V+A204T、G50A+A51V+R172N+N174T+A204T、G50A+N174S、G50A+R172Q+L173V+N174S、G50A+R172Q+A204T、G50A+R172Q+N174Q、G50A+A51V+R172D+L173F、G50A+A51I+R172D+N174*、G50A+R172K、G50A+R172Q+N174S、G50A+A51V+R172D+L173F+N174Q+A204T、G50S+R172N+N174Q、G50A+R172Q+L173I+N174T+A204T、G50A+R172E、G50A+R172Q+A204V、G50A+A51V+R172E+L173F+N174T+A204V、G50A+L173V、G50A+R172Q+L444P、G50A+A51T+R172N+L173V、G50A+R172Q+N174S+A204T、G50A+A51V+R172Q、G50A+A51T+R172D、G50A+A51T+R172N+N174D+G182V、G50A+R172E+L173F、G50A+A51T+R172Q+N174E、G50A+R172Q+L173F+N174Q、G50A+A51I+A204V、G50A+L173F+N174S、G50A+R172E+L173V+N174T、G50A+A51L+N174S+A447V、G50A+A51T+L173F、G50A+R172Q+L173I、G50A+A51V+L173F+N174D、G50A+R172D+L173T、G50A+A51T+R172Q+L173F+N174Q、G50A+R172Q+N174Q+A204T、G50A+R172D+L173T+N174S、G50A+N174D+A204T、G50A+A51T+R172N+L173I+N174Q、G50A+L173T+N174S+A204V、G50A+A51T+R172Q+A204V、G50A+L173F+N174Q+A204V、G50A+A51V+L173F+N174E+E471K、G50A+A51V+R172Q+A204V、G50A+A51Q+R172Q、G50A+A51T+R172E+L173I、G50A+A51V+L173F+N174*、G50A+R172S+N174H、G50A+A51T+A87S+R172N+L173T+N174D、G50A+R172N+L173T+N174D、G50A+R172E+L173F+N174D、G50A+R172D+N174T、G50A+A51T+R172Q+N174T、G50A+R172D、G50A+N174E+A204T、G50A+A51T+L173F+N174S、G50A+A51T+R172E+N174S、G50A+A51T+R172Q+N174Q、G50A+A51T+R172Q+L173F+N174T、G50A+R172Q+N174T+G304Q+E345D+E346T+D476G+G477S、G50A+R172D+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172D+L173F+N174Q+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+R172Q+L173I+N174T+A204T+G304Q+E345D+E346T+D476G+G477S、G50A+A51Q+R172Q+G304Q+E345D+E346T+D476G+G477S、G50A+A51V+R172Q+A204V+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+A87S+R172N+L173T+N174D+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172E+N174S+G304Q+E345D+E346T+D476G+G477S、G50A+A51T+R172Q+N174S+A204V、G50A+A51T+L173V+A204V、G50A+R172D+N174S、G50A+R172N、G50A+R172N+L173V、G50A+R172E+L173V+N174S、G50A+A51T+R172E+N174T、G50A+A51T+R172Q+L173I、G50A+R172E+L173T+N174S、G50A+A51T+R172E+A204V、G50A+R172E+N174T、G50A+R172N+A204T、G50A+R172Q+L173V、G50A+A51T+R172E、G50A+A51V+R172D+N174T、G50A+L173I+L173I+N174T+N174T+N219K+W220F、G50A+R172E+L173F+N174Q+A762、G50A+A51V+R172Q+N174Q、G50A+R172N+N174E、G50A+R172Q+L173T+N174Q、G50A+R172E+L173F+N174T、G50A+A51T+R172Q+L173V+A204V、G50A+A51T+R172D+L173F+N174T+K423P、G50A+R172E+L173F+N174Q+A204T、G50A+A113L+R172D+N174Q、G50A+R118D+W167F+R172D+N174Q、G50A+A51S+A113L+R118D+R172D+N174Q、G50A+R118D+R172D+N174Q、G50A+A51V+A113L+W167F+R172N+N174T+A204T、G50A+A51V+R118D+W167F+R172N+N174T+A204T、G50A+A51V+W167F+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R172N+N174T+A204T、G50A+A51V+R118D+R172N+N174T+A204T、G50A+A51V+A113L+R118D+R172D+L173F、G50A+A51V+R118D+R172D+L173F、G50A+A51V+A113L+R118D+W167F+R172D+L173F、G50A+A113L+W167F+R172Q+L173I+N174T+A204T、G50A+W167F+R172Q+L173I+N174T+A204T、G50A+R118D+W167F+R172Q+L173I+N174T+A204T、G50A+A113L+R118D+R172Q+L173I+N174T+A204T、G50A+A113L+R172Q+L173I+N174T+A204T、G50A+R118D+R172Q+L173I+N174T+A204T、G50A+A51V+R118D+W167F+R172E+L173F+N174T+A204V、G50A+A51V+W167F+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R172E+L173F+N174T+A204V、G50A+A51V+A113L+R118D+R172E+L173F+N174T+A204V、G50A+A51V+R118D+R172E+L173F+N174T+A204V、G50A+A51T+A113L+W167F+R172N+L173V、G50A+A51T+W167F+R172N+L173V、G50A+A51T+R118D+W167F+R172N+L173V、G50A+A51T+A113L+R118D+R172N+L173V、G50A+A51T+A113L+R172N+L173V、G50A+A51T+R118D+R172N+L173V、G50A+A113L+W167F+R172Q+A1066、G50A+W167F+R172Q+A1105、G50A+R118D+R172Q、G50A+A113L+R118D+R172Q、G50A+A113L+W167F+172Q、G50A+R172D+L173F+E471K、G50A+A5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+G184S+A204T、R118P+E346T+G477A、G7K+T40K+W167F+R320A+S323N+P364S、或G7K+T40K+K72R+W167F+R320A+S323N+P364S,當SEQIDNO:1用於編號時。在一個優選的實施例中,該變體相對於該親本α-澱粉酶具有改進的特性,其中該改進的特性選自下組,該組由以下各項組成:催化效率、催化速率、化學穩定性、氧化穩定性、pH活性、pH穩定性、比活性、存儲條件下穩定性、底物結合、底物切割、底物特異性、底物穩定性、表面特性、熱活性、熱穩定性,優選地低溫下的改進的洗滌性能、洗滌劑穩定性和螯合劑穩定性。在另一個實施例中,該變體相對於SEQIDNO:2的α-澱粉酶在液體洗滌劑中具有相等的或改進的穩定性。在另一個實施例中,該變體相對於SEQIDNO:1的α-澱粉酶在液體洗滌劑中具有相等的或改進的穩定性,該變體比本發明的變體相對於a)具有對應的改變。即,本發明的變體的洗滌劑穩定性可優選與SEQIDNO:1的α-澱粉酶相比,其與對應於SEQIDNO:1的α-澱粉酶的181、182、183和184的位置的相對於改變的變體具有相同的改變。在一個實施例中,引入SEQIDNO:1的多肽中的胺基酸取代和/或缺失的數目高達30,例如1、2、3、4、5、6、7、8、9、10、11、12、13、14、15、16、17、18、19、20、21、22、23、24、25、26、27、28、29、或30個。在一個實施例中,引入SEQIDNO:1的多肽中的胺基酸取代和/或缺失的數目多達10個,例如1、2、3、4、5、6、7、8、9或10個。胺基酸改變可以具有次要性質,即不顯著影響蛋白質的摺疊和/或活性的保守胺基酸取代或插入;典型地1-30個胺基酸的小缺失;小的氨基-或羧基末端延伸,如氨基末端蛋氨酸殘基;至多20-25個殘基的小接頭肽;或通過改變淨電荷或另一功能來促進純化的小延伸,如多組氨酸序列、抗原性表位或結合結構域。保守取代的實例在下組之內:鹼性胺基酸(精氨酸、賴氨酸和組氨酸)、酸性胺基酸(穀氨酸和天冬氨酸)、極性胺基酸(穀氨醯胺和天冬醯胺)、疏水胺基酸(亮氨酸、異亮氨酸和纈氨酸)、芳族胺基酸(苯丙氨酸、色氨酸和酪氨酸)、以及小胺基酸(甘氨酸、丙氨酸、絲氨酸、蘇氨酸以及甲硫氨酸)。一般不會改變比活性的胺基酸取代是本領域已知的並且例如由H.諾伊拉特(Neurath)和R.L.希爾(Hill),1979,在蛋白質(TheProteins),學術出版社(AcademicPress),紐約中描述。常見取代是Ala/Ser、Val/Ile、Asp/Glu、Thr/Ser、Ala/Gly、Ala/Thr、Ser/Asn、Ala/Val、Ser/Gly、Tyr/Phe、Ala/Pro、Lys/Arg、Asp/Asn、Leu/Ile、Leu/Val、Ala/Glu、以及Asp/Gly。可以根據本領域中已知的程序,如定點誘變或丙氨酸掃描誘變(坎寧漢(Cunningham)和威爾斯(Wells),1989,科學(Science)244:1081-1085)來鑑定多肽中的必需胺基酸。在後一種技術中,在分子中的每個殘基處引入單丙氨酸突變,並測試所得的突變分子的α-澱粉酶活性以鑑定對分子活性關鍵的胺基酸殘基。還參見希爾頓(Hilton)等人,1996,生物化學雜誌(J.Biol.Chem.)271:4699-4708。酶活性位點或其他生物學相互作用也可以通過對結構進行物理學分析來進行確定,如通過以下技術例如核磁共振、結晶學、電子衍射、或光親和標記,與假定接觸位點胺基酸的突變相結合來進行確定。參見,例如,德沃斯(deVos)等人,1992,科學(Science)255:306-312;史密斯(Smith)等人,1992,分子生物學雜誌(J.Mol.Biol.)224:899-904;Wlodaver等人,1992,歐洲生化學會聯合會快報(FEBSLett.)309:59-64。還可以從與相關多肽的比對推斷鑑別必需胺基酸。SEQIDNO:2的胺基酸序列中的必需胺基酸位於為催化殘基的位置D236、E266和D333處。此外,該Y58、H107、R234、H240、H332對於形成該活性位點而言是關鍵的。因此,胺基酸D236、E266、D333、Y58、H107、R234、H240、H332優選不應被突變。可以做出單個或多個胺基酸取代、缺失和/或插入並且使用誘變、重組和/或改組的已知方法進行測試,隨後進行相關篩選程序,如由裡德哈爾-奧爾森(Reidhaar-Olson)和薩奧爾(Sauer),1988,科學(Science)241:53-57;博維(Bowie)和薩奧爾,1989,美國國家科學院院刊(Proc.Natl.Acad.Sci.USA)86:2152-2156;WO95/17413;或WO95/22625披露的那些。可以使用的其他方法包括易錯PCR、噬菌體展示(例如,羅曼(Lowman)等人,1991,生物化學(Biochemistry)30:10832-10837;美國專利號5,223,409;WO92/06204)和區域定向誘變(德比舍爾(Derbyshire)等人,1986,基因(Gene)46:145;Ner等人,1988,DNA7:127)。誘變/改組方法可以與高通量、自動化的篩選方法組合以檢測由宿主細胞表達的克隆的、誘變的多肽的活性(內斯(Ness)等人,1999,自然生物技術(NatureBiotechnology)17:893-896)。編碼活性多肽的誘變的DNA分子可以回收自宿主細胞,並且使用本領域的標準方法對其進行迅速測序。這些方法允許迅速確定多肽中單個胺基酸殘基的重要性。親本α-澱粉酶在一個優選的實施例中,該變體是一種親本α-澱粉酶的變體,該親本α-澱粉酶選自下組,該組由以下各項組成:a.與SEQIDNO:1的成熟多肽具有至少90%序列一致性的多肽;b.與SEQIDNO:4的成熟多肽具有至少90%序列一致性的多肽;c.SEQIDNO:1的成熟多肽的片段,該片段具有α-澱粉酶活性;d.SEQIDNO:4的成熟多肽的片段,該片段具有α-澱粉酶活性;e.與針對SEQIDNO:1或4的成熟多肽產生的抗體具有免疫交叉反應性的多肽;在其他實施例中,該親本α-澱粉酶與SEQIDNO:1具有至少91%,或至少92%、或至少93%、或至少94%、或至少95%、或至少96%,例如至少97%、至少98%、或至少99%的序列一致性。在其他實施例中,該親本α-澱粉酶與SEQIDNO:4具有至少91%,或至少92%、或至少93%、或至少94%、或至少95%、或至少96%,例如至少97%、至少98%、或至少99%的序列一致性。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:2的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:2的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:2的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:7的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:7的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:7的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:8的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:8的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:8的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:9的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:9的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:9的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:10的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:10的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:10的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:11的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:11的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:11的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:12的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:12的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:12的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:13的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:13的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:13的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:14的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:14的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:14的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:15的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:15的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:15的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在另一方面,該親本α-澱粉酶可以是(a)一種與SEQIDNO:16的成熟多肽具有至少90%序列一致性的多肽;(b)SEQIDNO:16的成熟多肽的一個片段,該片段具有α-澱粉酶活性或(c)一種與針對SEQIDNO:16的成熟多肽產生的抗體具有免疫交叉反應性的多肽。在一個實施例中,該親本α-澱粉酶包括使用SEQIDNO:1進行編號的N195F+I206Y取代。即,該親本α-澱粉酶可以是具有使用SEQIDNO:1進行編號的N195F+I206Y的取代的SEQIDNO:4、7、8、9、10、11、12、13、14、15或16中的任何一個。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:1的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:2的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:4的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:7的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:8的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:9的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:10的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:11的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:12的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:13的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:14的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:15的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在一方面,該親本α-澱粉酶的胺基酸序列與SEQIDNO:16的成熟多肽相差不多於10個胺基酸,例如1、2、3、4、5、6、7、8或9個胺基酸。在另一方面,該親本α-澱粉酶包含SEQIDNO:1的胺基酸序列或由其組成。在另一方面,該親本α-澱粉酶包含SEQIDNO:2的胺基酸序列或由其組成。在又另一個實施例中,該親本α-澱粉酶是SEQIDNO:1的成熟多肽的一個等位基因變體。該親本α-澱粉酶可以是融合多肽或可切割融合多肽,其中另一種多肽在本發明多肽的N-末端或C-末端處融合。通過將編碼另一多肽的多核苷酸融合到本發明的多核苷酸而產生融合多肽。用於產生融合多肽的技術在本領域是已知的,並且包括連接編碼多肽的編碼序列,這樣使得它們在框內並且使得融合多肽的表達處於相同的一個或多個啟動子和終止子的控制下。還可以使用內含肽技術構建融合多肽,其中在翻譯後產生融合多肽(庫珀(Cooper)等人,1993,歐洲分子生物學學會雜誌12:2575-2583;道森(Dawson),1994,科學(Science)266:776-779)。融合多肽可以在兩種多肽之間進一步包括切割位點。在融合蛋白分泌之時,該位點被切割,從而釋放出這兩種多肽。切割位點的實例包括但不限於以下各項中披露的位點:馬丁(Martin)等人,2003,工業微生物學與生物技術雜誌(J.Ind.Microbiol.Biotechnol.)3:568-576;斯韋蒂納(Svetina)等人,2000,生物技術雜誌(J.Biotechnol.)76:245-251;拉斯馬森(Rasmussen)-威爾遜(Wilson)等人,1997,應用環境微生物學(Appl.Environ.Microbiol.)63:3488-3493;華德(Ward)等人,1995,生物技術(Biotechnology)13:498-503;以及孔特拉斯(Contreras)等人,1991,生物技術9:378-381;伊頓(Eaton)等人,1986,生物化學(Biochemistry)25:505-512;柯林斯(Collins)-萊斯(Racie)等人,1995,生物技術13:982-987;卡特(Carter)等人,1989,蛋白:結構、功能和遺傳學(Proteins:Structure,Function,andGenetics)6:240-248;以及史蒂文斯(Stevens),2003,世界藥物發現(DrugDiscoveryWorld)4:35-48。該親本α-澱粉酶可以從任何屬類的微生物中獲得。出於本發明的目的,如在此結合一種給定的來源使用的術語「從……中獲得」應意指由多核苷酸編碼的親本是由該來源或由其中已經插入來自該來源的多核苷酸的菌株產生的。在一方面,該親本是胞外分泌的。該親本α-澱粉酶可以是細菌α-澱粉酶。例如,該親本α-澱粉酶可以是一種革蘭氏陽性細菌多肽,如芽孢桿菌屬α-澱粉酶。還可以通過本領域已知的方法人工製造SEQIDNO1和2的α-澱粉酶連同其變體。變體的製備本發明還涉及用於獲得具有α-澱粉酶活性的變體的方法,這些方法包括將以下各項引入與SEQIDNO:1具有至少95%序列一致性的親本α-澱粉酶中:a)在親本α-澱粉酶所述的對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的位置中的兩個或多個位置處的取代和/或缺失,以及b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的成熟多肽的1、2、3、4、5、172、173、或174的一個或多個位置處的缺失,其中該所得的變體與SEQIDNO:1的成熟多肽具有至少95%如至少97%但小於100%序列一致性,其中該變體具有α-澱粉酶活性;並且回收所述變體。a)和b)的缺失和/或取代可以如以上所描述。可以使用本領域已知的任何誘變程序來製備這些變體,如定點誘變、合成基因構建、半合成基因構建、隨機誘變、改組等。同樣地,SEQIDNO:1、2、4、5、6、7、8、9、10、11、12、13、14、15和16的多肽可以通過本領域技術人員已知的方式通過合成基因構建來產生。定點誘變是在編碼該親本的多核苷酸中的一個或多個限定位點處引入一個或多個(例如,若干個)突變的技術。通過使用涉及含有所希望的突變的寡核苷酸引物的PCR可以體外實現定點誘變。也可以通過盒式誘變進行體外定點誘變,所述盒式誘變涉及由限制酶在包括編碼親本的多核苷酸的質粒中的位點處切割並且隨後將含有突變的寡核苷酸連接在多核苷酸中。通常,消化該質粒與該寡核苷酸的限制酶是相同的,以允許該質粒的粘性末端以及插入片段彼此連接。參見,例如,謝勒(Scherer)和戴維斯(Davis),1979,美國國家科學院院刊(Proc.Natl.Acad.Sci.USA)76:4949-4955;以及巴頓(Barton)等人,1990,核酸研究(NucleicAcidsRes.)18:7349-4966。還可以通過本領域已知的方法體內實現定點誘變。參見例如,美國專利申請公開號2004/0171154;斯道瑞希(Storici)等人,2001,自然生物技術(NatureBiotechnol.)19:773-776;卡倫(Kren)等人,1998,自然醫學(Nat.Med.)4:285-290;以及凱利薩諾(Calissano)和馬奇諾(Macino),1996,真菌遺傳學簡訊(FungalGenet.Newslett.)43:15-16。任何定點誘變方法可用於本發明。存在可用於製備變體的很多可商購的試劑盒。合成基因構建需要體外合成設計的多核苷酸分子以編碼感興趣的多肽。基因合成可以利用多種技術來進行,如由田(Tian)等人(2004,自然(Nature)432:1050-1054)所述的基於多路微晶片的技術、以及其中在光可編程的微流晶片上合成並組裝寡核苷酸的類似技術。可以做出單個或多個胺基酸取代、缺失和/或插入並且使用誘變、重組和/或改組的已知方法進行測試,隨後進行相關篩選程序,如由裡德哈爾-奧爾森(Reidhaar-Olson)和薩奧爾(Sauer),1988,科學(Science)241:53-57;博維(Bowie)和薩奧爾,1989,美國國家科學院院刊(Proc.Natl.Acad.Sci.USA)86:2152-2156;WO95/17413;或WO95/22625披露的那些。可以使用的其他方法包括易錯PCR、噬菌體展示(例如,羅曼(Lowman)等人,1991,生物化學(Biochemistry)30:10832-10837;美國專利號5,223,409;WO92/06204)和區域定向誘變(德比舍爾(Derbyshire)等人,1986,基因(Gene)46:145;Ner等人,1988,DNA7:127)。誘變/改組方法可以與高通量、自動化的篩選方法組合以檢測由宿主細胞表達的克隆的、誘變的多肽的活性(內斯(Ness)等人,1999,自然生物技術(NatureBiotechnology)17:893-896)。能夠從宿主細胞回收編碼活性多肽的誘變的DNA分子,並且使用本領域內標準方法快速測序。這些方法允許迅速確定多肽中單個胺基酸殘基的重要性。通過組合合成基因構建、和/或定點誘變、和/或隨機誘變、和/或改組的多個方面來實現半合成基因構建。半合成構建典型地是,利用合成的多核苷酸片段的過程結合PCR技術。因此,基因的限定的區域可以從頭合成,而其他區域可以使用位點特異性誘變引物來擴增,而還有其他區域可以經受易錯PCR或非易錯PCR擴增。然後可以對多核苷酸子序列進行改組。多核苷酸本發明還涉及編碼本發明的變體的多核苷酸。因此,在一方面,本發明涉及編碼一種變體的多核苷酸,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性。在一個實施例中,這些多核苷酸是分離的多核苷酸。核酸構建體本發明還涉及核酸構建體,這些核酸構建體包含可操作地連接至一個或多個控制序列的本發明的多核苷酸,在與控制序列相容的條件下,這些控制序列指導編碼序列在適合的宿主細胞中表達。因此,在一方面,本發明涉及一種包含編碼一種變體的多核苷酸的核酸構建體,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性,其中該多核苷酸可操作地連接至一個或多個控制序列,所述控制序列在與所述控制序列相容的條件下指導所述編碼序列在合適的宿主細胞中的表達。可以用許多方式操作所述多核苷酸以便於多肽的表達。取決於表達載體,在其插入載體以前操縱多核苷酸可以是希望的或必需的。用於利用重組DNA方法修飾多核苷酸的技術是本領域熟知的。該控制序列可以是啟動子,即,被宿主細胞識別以對編碼本發明的多肽的多核苷酸進行表達的多核苷酸。該啟動子包含轉錄控制序列,這些序列介導該多肽的表達。該啟動子可以是在宿主細胞中顯示出轉錄活性的任何多核苷酸,包括變體、截短型及雜合型啟動子,並且可以由編碼與該宿主細胞同源或異源的細胞外或細胞內多肽的基因獲得。用於在細菌宿主細胞中指導本發明的核酸構建體的轉錄的適合啟動子的實例是從以下基因中獲得的啟動子:解澱粉芽孢桿菌α-澱粉酶基因(amyQ)、地衣芽孢桿菌α-澱粉酶基因(amyL)、地衣芽孢桿菌青黴素酶基因(penP)、嗜熱脂肪芽孢桿菌麥芽糖澱粉酶基因(amyM)、枯草芽孢桿菌果聚糖蔗糖酶基因(sacB)、枯草芽孢桿菌xylA和xylB基因、蘇雲金芽孢桿菌cryIIIA基因(阿蓋塞(Agaisse)和勒爾克呂(Lereclus),1994,分子微生物學(MolecularMicrobiology)13:97-107)、大腸桿菌lac操縱子、大腸桿菌trc啟動子(埃貢(Egon)等人,1988,基因(Gene)69:301-315)、天藍鏈黴菌瓊脂水解酶基因(dagA)、以及原核β-內醯胺酶基因(維拉-卡馬洛夫(Villa-Kamaroff)等人,1978,美國國家科學院院刊(Proc.Natl.Acad.Sci.USA)75:3727-3731)以及tac啟動子(德波爾(DeBoer)等人,1983,美國國家科學院院刊80:21-25)。其他啟動子描述在吉爾伯特(Gilbert)等人,1980,科學美國人(ScientificAmerican)242:74-94的「來自重組細菌的有用蛋白質(Usefulproteinsfromrecombinantbacteria)」;以及在薩姆布魯克(Sambrook)等人,1989,同上。串聯啟動子的實例披露在WO99/43835中。控制序列還可以是由宿主細胞識別以終止轉錄的轉錄終止子。該終止子可操作地連接到編碼該多肽的多核苷酸的3』-末端。在該宿主細胞中起作用的任何終止子都可以用於本發明中。用於細菌宿主細胞的優選終止子是從克勞氏芽孢桿菌鹼性蛋白酶(aprH)、地衣芽孢桿菌α-澱粉酶(amyL)以及大腸桿菌核糖體RNA(rrnB)的基因獲得。控制序列還可以是啟動子下遊和基因的編碼序列上遊的mRNA穩定子區,它增加該基因的表達。適合的mRNA穩定子區的實例是從以下獲得的:蘇雲金芽孢桿菌cryIIIA基因(WO94/25612)和枯草芽孢桿菌SP82基因(化(Hue)等人,1995,細菌學雜誌(JournalofBacteriology)177:3465-3471)。該控制序列還可以是前導子,一種對宿主細胞翻譯很重要的非翻譯mRNA區域。該前導子可操作地連接到編碼該多肽的多核苷酸的5』-末端。可以使用在宿主細胞中起作用的任何前導子。控制序列還可以是聚腺苷酸化序列,一種可操作地連接至該多核苷酸的3』-末端並且當轉錄時由宿主細胞識別為將聚腺苷酸殘基添加至所轉錄的mRNA的信號的序列。可以使用在宿主細胞中起作用的任何聚腺苷酸化序列。對於酵母宿主細胞有用的聚腺苷酸化序列在郭(Guo)和謝爾曼(Sherman),1995,分子細胞生物學(Mol.CellularBiol.)15:5983-5990中得以描述。控制序列也可以是編碼與多肽的N-末端連接並指導多肽進入細胞的分泌通路的信號肽的信號肽編碼區。多核苷酸的編碼序列的5』-端可以固有地包含在翻譯閱讀框中與編碼多肽的編碼序列的區段天然地連接的信號肽編碼序列。可替代地,編碼序列的5』-端可以包含對於該編碼序列而言是外源的信號肽編碼序列。外源信號肽編碼序列在編碼序列不天然地包含信號肽編碼序列時可為必需的。可替代地,外源信號肽編碼序列可以簡單地替代天然信號肽編碼序列,以便增強多肽的分泌。然而,可以使用指導所表達多肽進入宿主細胞的分泌通路的任何信號肽編碼序列。用於細菌宿主細胞的有效信號肽編碼序列是從以下各項的基因獲得的信號肽編碼序列:芽孢桿菌屬NCIB11837產麥芽糖澱粉酶、地衣芽孢桿菌枯草桿菌蛋白酶、地衣芽孢桿菌β-內醯胺酶、嗜熱脂肪芽孢桿菌α-澱粉酶、嗜熱脂肪芽孢桿菌中性蛋白酶(nprT、nprS、nprM)以及枯草芽孢桿菌prsA。西蒙納(Simonen)和帕爾瓦(Palva),1993,微生物學評論(MicrobiologicalReviews)57:109-137描述了另外的信號肽。該控制序列還可以是編碼位於多肽的N-末端處的前肽的前肽編碼序列。生成的多肽被稱為前體酶(proenzyme)或多肽原(或在一些情況下被稱為酶原(zymogen))。多肽原通常是無活性的並且可以通過催化切割或自身催化切割來自多肽原的前肽而轉化為活性多肽。前肽編碼序列可以從以下各項的基因獲得:枯草芽孢桿菌鹼性蛋白酶(aprE)、枯草芽孢桿菌中性蛋白酶(nprT)、嗜熱毀絲黴漆酶(WO95/33836)、米黑根毛黴天冬氨酸蛋白酶、以及釀酒酵母α-因子。在信號肽序列和前肽序列二者都存在的情況下,該前肽序列定位成緊鄰多肽的N-末端並且該信號肽序列定位成緊鄰該前肽序列的N-末端。還可能希望地是添加調節序列,這些調節序列相對於宿主細胞的生長來調節多肽的表達。調節序列的實例是使得基因的表達響應於化學或物理刺激(包括調節化合物的存在)而開啟或關閉的那些。原核系統中的調節序列包括lac、tac以及trp操縱子系統。在酵母中,可以使用ADH2系統或GAL1系統。在絲狀真菌中,可以使用黑麴黴葡糖澱粉酶啟動子、米麴黴TAKAα-澱粉酶啟動子和米麴黴葡糖澱粉酶啟動子、裡氏木黴纖維二糖水解酶I啟動子以及裡氏木黴纖維二糖水解酶II啟動子。調控序列的其他實例是允許基因擴增的那些。在真核系統中,這些調控序列包括在甲氨蝶呤存在下被擴增的二氫葉酸還原酶基因以及用重金屬擴增的金屬硫蛋白基因。在這些情況中,編碼多肽的多核苷酸將與調控序列可操作地連接。表達載體本發明還涉及包含本發明的多核苷酸、啟動子、以及轉錄和翻譯終止信號的重組表達載體。因此,本發明涉及一種包含編碼一種變體的多核苷酸的重組表達載體,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性,該表達載體進一步包含啟動子、以及轉錄和翻譯終止信號。不同的核苷酸和控制序列可以連接在一起以產生重組表達載體,該重組表達載體可以包括一個或多個便利的限制酶切位點以允許在這些位點處插入或取代編碼該多肽的多核苷酸。可替代地,該多核苷酸可以通過將該多核苷酸或包括該多核苷酸的核酸構建體插入用於表達的適當載體中來表達。在產生該表達載體時,該編碼序列位於該載體中,這樣使得該編碼序列與該供表達的適當控制序列可操作地連接。重組表達載體可以是任何載體(例如,質粒或病毒),其能夠方便地進行重組DNA程序,並且能夠引起多核苷酸的表達。載體的選擇將典型地取決於該載體與有待引入該載體的宿主細胞的相容性。該載體可以是線性的或閉合的環狀質粒。該載體可以是自主複製載體,即,作為染色體外實體存在的載體,其複製獨立於染色體複製,例如,質粒、染色體外元件、微染色體或人工染色體。該載體可包含任何用以保證自我複製的要素。可替代地,該載體可以是這樣載體,當它被引入該宿主細胞中時,被整合到基因組中並且與其中已整合了它的一個或多個染色體一起複製。此外,可以使用單一載體或質粒或兩個或更多個載體或質粒(這些載體或質粒共同含有待引入到宿主細胞的基因組中的總DNA)或轉座子。該載體優選包含一個或多個允許方便地選擇轉化細胞、轉染細胞、轉導細胞等細胞的選擇性標記。選擇性標記是基因,其產物提供殺生物劑或病毒抗性、對重金屬的抗性、對營養缺陷型的原養性(prototrophytoauxotrophs)等。細菌性選擇性標記的實例是地衣芽孢桿菌或枯草芽孢桿菌dal基因,或賦予抗生素抗性(如氨比西林、氯黴素、卡那黴素、新黴素、大觀黴素或四環素抗性)的標記。用於酵母宿主細胞的適合的標記包括但不限於ADE2、HIS3、LEU2、LYS2、MET3、TRP1、以及URA3。用於在絲狀真菌宿主細胞中使用的選擇性標記包括但不限於,adeA(磷酸核糖醯氨基咪唑-琥珀羧胺合酶)、adeB(磷酸核糖醯-氨基咪唑合酶)、amdS(乙醯胺酶)、argB(鳥氨酸氨甲醯基轉移酶)、bar(草丁膦乙醯轉移酶)、hph(潮黴素磷酸轉移酶)、niaD(硝酸還原酶)、pyrG(乳清酸核苷-5'-磷酸脫羧酶)、sC(硫酸腺苷基轉移酶)、以及trpC(鄰氨基苯甲酸合酶)、連同其等效物。優選在麴黴屬細胞中使用的是構巢麴黴或米麴黴amdS和pyrG基因以及吸水鏈黴菌bar基因。優選在木黴屬細胞中使用的是adeA、adeB、amdS、hph以及pyrG基因。選擇性標記可以是如在WO2010/039889中描述的雙選擇性標記系統。在一方面中,雙選擇性標記是hph-tk雙選擇性標記系統。該載體優選包含允許載體整合到宿主細胞的基因組中或載體在細胞中獨立於基因組自主複製的一個或多個元件。對於整合到該宿主細胞基因組中,該載體可以依靠編碼該多肽的多核苷酸序列或者用於通過同源或非同源重組整合到該基因組中的該載體的任何其他元件。可替代地,該載體可以包含額外的多核苷酸,用於指導通過同源重組整合入宿主細胞基因組染色體中的精確位置。為了增加在精確位置整合的可能性,這些整合的元件應包含足夠數量的核酸,例如100至10,000個鹼基對、400至10,000個鹼基對、以及800至10,000個鹼基對,這些鹼基對與對應的靶序列具有高度的序列一致性以提高同源重組的可能性。這些整合元件可以是與宿主細胞的基因組內的靶序列同源的任何序列。此外,這些整合元件可以是非編碼多核苷酸或編碼多核苷酸。另一個方面,該載體可以通過非同源重組整合到宿主細胞的基因組中。對於自主複製,該載體可以進一步包括使該載體能夠在所討論的宿主細胞中自主複製的複製起點。複製起點可以是在細胞中起作用的介導自主複製的任何質粒複製子。術語「複製起點(originofreplication)」或「質粒複製子(plasmidreplicator)」意指使得質粒或載體可在體內複製的多核苷酸。細菌複製起點的實例是允許在大腸桿菌中複製的質粒pBR322、pUC19、pACYC177、以及pACYC184的複製起點,以及允許在芽孢桿菌屬中複製的質粒pUB110、pE194、pTA1060、以及pAMβ1的複製起點。可以將本發明的多核苷酸的多於一個拷貝插入宿主細胞中以增加多肽的產生。多核苷酸拷貝數的增加可通過如下方法獲得:將至少一個額外拷貝的序列整合入宿主細胞基因組,或將可擴增的選擇性標記基因包括於多核苷酸,其中可通過在合適的選擇劑(selectableagent)存在下培養細胞來選擇含有選擇性標記基因的擴增拷貝,且由此含有多核苷酸的額外拷貝的細胞。用於連接以上所述的元件以構建本發明的重組表達載體的程序是本領域的普通技術人員熟知的(參見,例如,薩姆布魯克(Sambrook)等人,1989,同上)。宿主細胞本發明還涉及重組宿主細胞,其包含本發明的多核苷酸可操作地連接於一個或多個指導本發明變體的產生的調控序列。因此,本發明涉及一種包含編碼一種變體的多核苷酸的重組宿主細胞,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性,其中該多核苷酸可操作地連接至一個或多個控制序列,所述控制序列指導本發明的變體的生產。將包括多核苷酸的構建體或載體引入宿主細胞中,這樣使得該構建體或載體被維持作為染色體整合體或作為自主複製的染色體外載體,如早前所述。術語「宿主細胞」涵蓋由於複製過程中發生的突變與親本細胞不同的親本細胞的任何後代。宿主細胞的選擇在很大程度上取決於編碼該多肽的基因及其來源。該宿主細胞可以是有用於重組產生本發明的多肽的任何細胞,例如原核細胞或真核細胞。原核宿主細胞可以是任何革蘭氏陽性或革蘭氏陰性細菌。革蘭氏陽性細菌包括但不限於芽孢桿菌屬、梭菌屬、腸球菌屬、土芽孢桿菌屬、乳桿菌屬、乳球菌屬、海洋芽孢桿菌屬、葡萄球菌屬、鏈球菌屬、以及鏈黴菌屬。革蘭氏陰性細菌包括但不限於彎曲桿菌屬、大腸桿菌、黃桿菌屬、梭桿菌屬、螺桿菌屬、泥桿菌屬、奈瑟氏菌屬、假單胞菌屬、沙門氏菌屬、以及脲原體屬。細菌宿主細胞可以是任何芽孢桿菌屬細胞,包括但不限於:嗜鹼芽孢桿菌、解澱粉芽孢桿菌、短芽孢桿菌、環狀芽孢桿菌、克勞氏芽孢桿菌、凝結芽孢桿菌、堅硬芽孢桿菌、燦爛芽孢桿菌、遲緩芽孢桿菌、地衣芽孢桿菌、巨大芽孢桿菌、短小芽孢桿菌、嗜熱脂肪芽孢桿菌、枯草芽孢桿菌以及蘇雲金芽孢桿菌細胞。細菌宿主細胞還可以是任何鏈球菌屬細胞,包括但不限於:似馬鏈球菌、釀膿鏈球菌、乳房鏈球菌以及馬鏈球菌獸瘟亞種細胞。細菌宿主細胞還可以是任何鏈黴菌屬細胞,包括但不限於:不產色鏈黴菌、除蟲鏈黴菌、天藍鏈黴菌、灰色鏈黴菌、以及淺青紫鏈黴菌細胞。將DNA引入芽孢桿菌屬細胞中可通過以下來實現:原生質體轉化(參見例如,張(Chang)和科恩(Cohen),1979,分子遺傳學與基因組學(Mol.Gen.Genet.)168:111-115)、感受態細胞轉化(參見例如,楊格(Young)和斯皮宰曾(Spizizen),1961,細菌學雜誌(J.Bacteriol.)81:823-829;或杜拜努(Dubnau)以及大衛杜夫-阿貝爾森(Davidoff-Abelson),1971,分子生物學雜誌(J.Mol.Biol.)56:209-221)、電穿孔(參見例如,茂川(Shigekawa)和道爾(Dower),1988,生物技術(Biotechniques)6:742-751)、或者接合(參見例如,克勒(Koehler)和索恩(Thorne),1987,細菌學雜誌169:5271-5278)。將DNA引入大腸桿菌細胞中可通過以下來實現:原生質體轉化(參見例如,哈納汗(Hanahan),1983,分子生物學雜誌(J.Mol.Biol.)166:557-580)或電穿孔(參見例如,道爾(Dower)等人,1988,核酸研究(NucleicAcidsRes.)16:6127-6145)。將DNA引入鏈黴菌屬細胞中可通過以下來實現:原生質體轉化、電穿孔(參見例如,貢(Gong)等人,2004,葉線形微生物學(FoliaMicrobiol.)(Praha(布拉格))49:399-405)、接合(參見例如,馬佐迪耶(Mazodier)等人,1989,細菌學雜誌(J.Bacteriol.)171:3583-3585)、或轉導(參見例如,伯克(Burke)等人,2001,美國國家科學院院刊(Proc.Natl.Acad.Sci.USA)98:6289-6294)。將DNA引入假單孢菌屬細胞中可通過以下來實現:電穿孔(參見例如,蔡(Choi)等人,2006,微生物學方法雜誌(J.Microbiol.Methods)64:391-397)或接合(參見例如,皮內多(Pinedo)和斯梅茨(Smets),2005,應用與環境微生物學(Appl.Environ.Microbiol.)71:51-57)。將DNA引入鏈球菌屬細胞中可通過以下來實現:天然感受態(參見,例如,佩裡(Perry)和藏滿(Kuramitsu),1981,感染與免疫(Infect.Immun.)32:1295-1297)、原生質體轉化(參見,例如,凱特(Catt)和喬力克(Jollick),1991,微生物學(Microbios)68:189-207)、電穿孔(參見,例如,巴克利(Buckley)等人,1999,應用與環境微生物學(Appl.Environ.Microbiol.)65:3800-3804)、或者接合(參見,例如,克萊威爾(Clewell),1981,微生物學評論(Microbiol.Rev.)45:409-436)。然而,可以使用本領域已知的用於將DNA引入宿主細胞中的任何方法。宿主細胞還可以是真核細胞,如哺乳動物、昆蟲、植物、或真菌細胞。該宿主細胞可以是真菌細胞。如在此使用的「真菌」包括子囊菌門(Ascomycota)、擔子菌門(Basidiomycota)、壺菌門(Chytridiomycota)、以及接合菌門(Zygomycota)、連同卵菌門(Oomycota)和全部有絲分裂孢子真菌(如由霍克斯沃思(Hawksworth)等人在安斯沃思和拜斯比真菌詞典(AinsworthandBisby’sDictionaryofTheFungi),第8版,1995,國際應用生物科學中心(CABInternational),大學出版社(UniversityPress),英國劍橋(Cambridge,UK)中進行定義的)。該真菌宿主細胞可以是酵母細胞。如在此使用的「酵母」包括產子嚢酵母(內孢黴目)、產擔子酵母和屬於半知菌類(芽孢綱)的酵母。由於酵母的分類在將來可能有變化,出於本發明的目的,酵母應如酵母生物學和活動性(BiologyandActivitiesofYeast)(斯金納(Skinner)、帕斯莫爾(Passmore)、以及達文波特(Davenport)編輯,應用細菌學學會討論會(Soc.App.Bacteriol.Symposium)系列第9期,1980)所述地進行定義。酵母宿主細胞可以是假絲酵母屬、漢遜酵母屬、克魯弗酵母屬、畢赤酵母屬、酵母屬、裂殖酵母屬、或耶氏酵母屬細胞,如乳酸克魯弗酵母(Kluyveromyceslactis)、卡爾酵母、釀酒酵母、糖化酵母、道格拉氏酵母、克魯弗酵母、諾地酵母、卵形酵母、或解脂耶氏酵母(Yarrowialipolytica)細胞。生產方法本發明還涉及產生本發明的多肽的方法,這些方法包括(a)在有益於產生該多肽的條件下培養一種本發明的重組宿主細胞;並且可任選地(b)回收該多肽。因此,本發明涉及生產一種變體的方法,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性,其中該方法包括以下步驟:(i)在有利於產生該變體的條件下培養包含表達載體、編碼該變體的多核苷酸或核酸構建體的重組宿主細胞;並且可任選地(b)回收該變體。這些宿主細胞是在適合於使用本領域中已知的方法產生該多肽的一種營養培養基中培養的。例如,可以通過在適合的培養基中和在允許表達和/或分離該多肽的條件下,進行搖瓶培養,或者在實驗室或工業發酵罐中進行小規模或大規模發酵(包括連續、分批、分批補料、或固態發酵)來培養細胞。該培養是使用本領域中已知的程序,在一種適合營養培養基中發生,該培養基包括碳和氮來源及無機鹽。適合的培養基可從商業供應商獲得或可以根據公開的組成(例如,在美國典型培養物保藏中心的目錄中)製備。如果多肽分泌到該營養培養基中,那麼可直接從培養基中回收多肽。如果多肽不被分泌,那麼其可從細胞裂解液中進行回收。可以使用特異性針對具有α-澱粉酶活性的多肽的本領域已知的方法來檢測該多肽。這些檢測方法包括但不限於,特異性抗體的使用、酶產物的形成或酶底物的消失。例如,可以使用酶測定來確定該多肽的活性。可以使用本領域已知的方法來回收多肽。例如,該多肽可以通過常規程序,包括但不限於,收集、離心、過濾、提取、噴霧乾燥、蒸發或沉澱,從該營養培養基回收。在一方面,回收包含該多肽的發酵液。可以通過本領域中已知的多種程序來純化該多肽以獲得基本上純的多肽,這些程序包括但不限於:色譜法(例如,離子交換色譜、親和色譜、疏水作用色譜、色譜聚焦、以及尺寸排阻色譜)、電泳程序(例如,製備型等電點聚焦)、差別溶解度(例如,硫酸銨沉澱)、SDS-PAGE、或提取(參見例如,蛋白質純化(ProteinPurification),詹森(Janson)和賴登(Ryden)編輯,VCH出版社(VCHPublishers),紐約,1989)。在替代性方面中,沒有回收該多肽,而是將表達該多肽的本發明的宿主細胞用作該多肽的來源。發酵液配製品或細胞組合物本發明還涉及包含本發明的多肽的發酵液配製品或細胞組合物。因此,本發明涉及包含一種變體的發酵液配製品或細胞組合物,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性。該發酵液產物進一步包括用於發酵過程的另外的成分,如例如細胞(包括,含有用來產生感興趣的多肽的編碼本發明的多肽的基因的宿主細胞)、細胞碎片、生物質、發酵介質和/或發酵產物。在一些實施例中,該組合物是含有一種或多種有機酸、殺滅的細胞和/或細胞碎片以及培養基的細胞殺滅的全培養液。如在此使用的術語「發酵液」是指由細胞發酵產生、不經歷或經歷最低限的回收和/或純化的製劑。例如,當微生物培養物生長至飽和,在碳限制條件下孵育以允許蛋白質合成(例如,由宿主細胞進行酶的表達)並且分泌到細胞培養基中時,產生發酵液。所述發酵液可以包含在發酵終止時得到的發酵材料的未分級或分級的內含物。典型地,發酵液是未分級的並且包括在例如通過離心除去微生物細胞(例如,絲狀真菌細胞)後存在的耗盡的培養基和細胞碎片。在一些實施例中,該發酵液包含耗盡的細胞培養基、胞外酶、以及有活力的和/或無活力的微生物細胞。在一個實施例中,該發酵液配製品和細胞組合物包括第一有機酸組分(包括至少一種1-5碳的有機酸和/或其鹽)以及第二有機酸組分(包括至少一種6碳或更多碳的有機酸和/或其鹽)。在具體實施例中,該第一有機酸組分是乙酸、甲酸、丙酸、其鹽,或前述兩種或更多種的混合物;並且該第二有機酸組分是苯甲酸、環己烷羧酸、4-甲基戊酸、苯乙酸、其鹽,或前述兩種或更多種的混合物。在一個方面,該組合物包含一種或多種有機酸,並且任選地進一步包含殺滅的細胞和/或細胞碎片。在一個實施例中,從細胞殺滅的全培養液中去除這些殺滅的細胞和/或細胞碎片,以提供不含這些組分的組合物。這些發酵液配製品或細胞組合物可以進一步包括防腐劑和/或抗微生物(例如,抑菌)劑,包括但不限於山梨醇、氯化鈉、山梨酸鉀、以及本領域中已知的其他試劑。該細胞殺滅的全培養液或組合物可以包含在發酵結束時得到的發酵材料的未分級的內容物。典型地,該細胞殺滅的全培養液或組合物包含用過的培養基以及在微生物細胞(例如,絲狀真菌細胞)生長至飽和、在碳限制條件下孵育以允許蛋白合成之後存在的細胞碎片。在一些實施例中,細胞殺滅的全培養液或組合物含有用過的細胞培養基、胞外酶和殺滅的絲狀真菌細胞。在一些實施例中,可以使用本領域已知的方法來使細胞殺滅的全培養液或組合物中存在的微生物細胞透性化和/或裂解。如在此描述的全培養液或細胞組合物典型地是液體,但是可以含有不溶性組分,例如殺滅的細胞、細胞碎片、培養基組分和/或一種或多種不溶性酶。在一些實施例中,可以除去不溶性組分,以提供一種澄清的液體組合物。可以通過描述於WO90/15861或WO2010/096673中的方法生產本發明的全發酵液配製品和細胞組合物。酶組合物本發明還涉及包括本發明的α-澱粉酶變體的組合物。因此,本發明涉及包含一種變體的組合物,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體具有α-澱粉酶活性。優選地,所述組合物富含這種多肽。術語「富含」指示該組合物的α-澱粉酶活性已經增加,例如,以至少1.1的富集因子。這些組合物可以包含本發明的多肽作為主要酶組分,例如單組分組合物。可替代地,這些組合物可以包含多種酶活性,如一種或多種(例如,若干種)選自下組的酶,該組由以下各項組成:水解酶、異構酶、連接酶、裂解酶、氧化還原酶、或轉移酶,例如,α-半乳糖苷酶、α-葡糖苷酶、氨肽酶、澱粉酶、β-半乳糖苷酶、β-葡糖苷酶、β-木糖苷酶、糖酶、羧肽酶、過氧化氫酶、纖維二糖水解酶、纖維素酶、殼多糖酶、角質酶、環糊精葡萄糖基轉移酶、脫氧核糖核酸酶、內切葡聚糖酶、酯酶、葡糖澱粉酶、轉化酶、漆酶、脂肪酶、甘露糖苷酶、變聚糖酶、氧化酶、果膠分解酶、過氧化物酶、植酸酶、多酚氧化酶、蛋白水解酶、核糖核酸酶、轉穀氨醯胺酶、或木聚糖酶。這些組合物可根據本領域已知的方法製備並且可以是液體或乾燥組合物的形式。可以根據本領域中已知的方法穩定這些組合物。洗滌劑組合物在一個實施例中,本發明針對以下洗滌劑組合物,這些洗滌劑組合物包括與一種或多種另外的清潔組合物組分組合的本發明的α-澱粉酶變體。因此,本發明涉及包含一種變體的洗滌劑組合物,該變體包括(a)在對應於SEQIDNO:1的成熟多肽的位置R181、G182、H183和G184的兩個或多個位置處的缺失和/或取代,以及(b)在一個或多個位置處的取代,所述取代對應於位置1、2、3、4、5、7、9、16、25、26、28、36、40、47、48、50、51、56、67、72、73、75、85、86、87、98、109、112、113、118、119、125、128、133、134、136、140、141、142、144、146、149、155、158、160、165、167、169、171、172、173、174、179、181、182、184、186、192、193、194、195、197、200、202、204、206、208、210、211、112、213、214、215、217、218、219、220、226、241、243、246、255、265、268、269、270、273、274、276、280、282、283、291、294、295、296、299、302、303、304、305、311、315、319、320、321、323、324、330、336、343、345、346、349、351、354、355、361、363、364、376、380、383、391、402、405、406、408、410、411、414、415、416、418、421、423、424、427、429、430、431、438、439、442、444、446、447、449、457、463、464、465、466、467、469、471、473、474、476、477、478、482、或483,和/或在對應於SEQIDNO:1的1、2、3、4、5、172、173或174的一個或多個位置處的缺失,其中該α-澱粉酶變體與具有SEQIDNO:1的胺基酸序列的多肽具有至少95%序列一致性但小於100%序列一致性,並且其中該變體組合一種或多種另外的清潔組合物組分具有α-澱粉酶活性。在一個實施例中,該洗滌劑是液體洗滌劑組合物。在另一個實施例中,該洗滌劑組合物是粉末狀洗滌劑組合物。該洗滌劑組合物可以是衣物洗滌劑組合物或餐具洗滌洗滌劑組合物。另外的組分的選擇在普通技術人員技術內並且包括常規成分,包括以下列出的示例性、非限制性組分。對於織物護理,組分的選擇可以包括以下考慮:有待清潔的織物的類型、汙漬的類型和/或程度、進行清潔時的溫度、以及洗滌劑產品的配製。儘管根據具體的功能性對以下提及的組分由通用標題進行分類,但是這並不被解釋為限制,因為如將被普通技術人員所理解,一種組分可以包括另外的功能性。在本發明的一個實施例中,可以將本發明的變體以對應於以下各項的量添加至一種洗滌劑組合物中:每升洗滌液體0.001-100mg的蛋白質,如0.01-100mg的蛋白質,優選是0.005-50mg的蛋白質,更優選是0.01-25mg的蛋白質,甚至更優選是0.05-10mg的蛋白質,最優選是0.05-5mg的蛋白質,並且甚至最優選是0.01-1mg的蛋白質。用於在自動洗碗機(ADW)中使用的組合物例如可以包括按該組合物的重量計0.0001%-50%,例如0.001%-20%,例如0.01%-10%,例如0.05%-5%的酶蛋白。用於在洗衣造粒(laundrygranulation)中使用的組合物例如可以包含按該組合物的重量計0.0001%-50%,例如0.001%-20%,例如0.01%-10%,例如0.05%-5%的酶蛋白。用於在洗衣液中使用的組合物例如可以包括按該組合物的重量計0.0001%-10%,例如0.001%-7%,例如0.1%-5%的酶蛋白。可以使用常規穩定劑穩定本發明的一種或多種酶,這些常規穩定劑例如是多元醇,例如丙二醇或甘油、糖或糖醇、乳酸、硼酸或硼酸衍生物,例如芳香族硼酸酯,或苯基硼酸衍生物,例如4-甲醯苯基硼酸,並且可以如在例如WO92/19709和WO92/19708中所述配製該組合物。在某些市場中,不同洗滌條件並且就其本身而言,使用不同類型的洗滌劑。這披露於例如EP1025240中。例如,在亞洲(日本)使用低的洗滌劑濃度體系,而美國使用中等洗滌劑濃度體系,並且歐洲使用高的洗滌劑濃度體系。低的洗滌劑濃度體系包含以下洗滌劑,其中在洗滌水中存在少於約800ppm的洗滌劑組分。日本洗滌劑典型地被認為是低的洗滌劑濃度體系,因為它們具有存在於洗滌水中的大約667ppm的洗滌劑組分。中等洗滌劑濃度體系包含以下洗滌劑,其中在洗滌水中存在約800ppm與約2000ppm之間的洗滌劑組分。北美洗滌劑通常被認為是中等洗滌劑濃度體系,因為它們具有存在於洗滌水中的大約975ppm的洗滌劑組分。高的洗滌劑濃度體系包含以下洗滌劑,其中在洗滌水中存在多於約2000ppm的洗滌劑組分。歐洲洗滌劑通常被認為是高的洗滌劑濃度體系,因為在洗滌水中它們具有大約4500-5000ppm的洗滌劑組分。拉丁美洲洗滌劑通常是高泡沫磷酸鹽助洗劑洗滌劑並且在拉丁美洲使用的洗滌劑的範圍可以落入中等和高的洗滌劑濃度兩者中,因為在洗滌水中它們的洗滌劑組分的範圍從1500ppm至6000ppm。此類洗滌劑組合物都是本發明的實施例。本發明的多肽還可以結合到WO97/07202中所披露的洗滌劑配製品中,通過引用將其結合在此。下文中給出本發明的組合物的優選用途的實例。可以基於本領域已知的方法來確定組合物的劑量和使用該組合物的其他條件。表面活性劑洗滌劑組合物可以包括一種或多種表面活性劑,它們可以是陰離子的和/或陽離子的和/或非離子的和/或半極性的和/或兼性離子的或其混合物。在一個具體實施例中,洗滌劑組合物包括一種或多種非離子型表面活性劑和一種或多種陰離子表面活性劑的混合物。這種或這些表面活性劑典型地以按重量計從約0.1%至60%的水平存在,例如約1%至約40%、或約3%至約20%、或約3%至約10%。基於所希望的清潔應用來選擇這種或這些表面活性劑,並且這種或這些表面活性劑包括本領域中已知的任何一種或多種常規表面活性劑。可以利用本領域中已知的用於在洗滌劑中使用的任何表面活性劑。當包含在其中時,所述去汙劑通常將會含有按重量計約1%至約40%,例如約5%至約30%,包括約5%至約15%,或約20%至約25%的陰離子型表面活性劑。陰離子表面活性劑的非限制性實例包括硫酸鹽和磺酸鹽,具體地說是直鏈烷基苯磺酸鹽(LAS)、LAS的異構體、支鏈烷基苯磺酸鹽(BABS)、苯基鏈烷磺酸鹽、α-烯烴磺酸鹽(AOS)、烯烴磺酸鹽、鏈烯烴磺酸鹽、鏈烷-2,3-二基雙(硫酸鹽)、羥基鏈烷磺酸鹽以及二磺酸鹽、烷基硫酸鹽(AS)(如十二烷基硫酸鈉(SDS))、脂肪醇硫酸鹽(FAS)、伯醇硫酸鹽(PAS)、醇醚硫酸鹽(AES或AEOS或FES,也被稱為醇乙氧基硫酸鹽或脂肪醇醚硫酸鹽)、仲鏈烷磺酸鹽(SAS)、石蠟烴磺酸鹽(PS)、酯磺酸鹽、磺化的脂肪酸甘油酯、α-磺酸基脂肪酸甲酯(α-SFMe或SES)(包括甲酯磺酸鹽(MES))、烷基琥珀酸或烯基琥珀酸、十二烯基/十四烯基琥珀酸(DTSA)、胺基酸的脂肪酸衍生物、磺酸基琥珀酸或皂的二酯和單酯、及其組合。當被包括在其中時,洗滌劑將通常包含按重量計從約0%至約40%的陽離子表面活性劑。陽離子表面活性劑的非限制性實例包括烷基二甲基乙醇季胺(ADMEAQ)、十六烷基三甲基溴化銨(CTAB)、二甲基二硬脂醯氯化銨(DSDMAC)、以及烷基苄基二甲基銨、烷基季銨化合物、烷氧基化季銨(AQA)化合物及其組合。當包括在其中時,去汙劑通常會含有按重量計約0.2%-約40%,例如約0.5%-約30%,特別是約1%-約20%、約3%-約10%,例如約3%-約5%、或約8%-約12%的非離子型表面活性劑。非離子型表面活性劑的非限制性實例包括醇乙氧基化物(AE或AEO)、醇丙氧基化物、丙氧基化的脂肪醇(PFA)、烷氧基化的脂肪酸烷基酯(例如乙氧基化的和/或丙氧基化的脂肪酸烷基酯)、烷基酚乙氧基化物(APE)、壬基酚乙氧基化物(NPE)、烷基多糖苷(APG)、烷氧基化胺、脂肪酸單乙醇醯胺(FAM)、脂肪酸二乙醇醯胺(FADA)、乙氧基化的脂肪酸單乙醇醯胺(EFAM)、丙氧基化的脂肪酸單乙醇醯胺(PFAM)、多羥基烷基脂肪酸醯胺、或葡萄糖胺的N-醯基N-烷基衍生物(葡糖醯胺(GA)、或脂肪酸葡糖醯胺(FAGA))、連同在SPAN和TWEEN商品名下可獲得的產品及其組合。當被包括在其中時,洗滌劑將通常包含按重量計從約0%至約40%的半極性表面活性劑。半極性表面活性劑的非限制性實例包括氧化胺(AO),例如烷基二甲基氧化胺、N-(椰油基烷基)-N,N-二甲基氧化胺和N-(牛油-烷基)-N,N-雙(2-羥乙基)氧化胺、脂肪酸鏈烷醇醯胺和乙氧基化的脂肪酸鏈烷醇醯胺及其組合。當被包括在其中時,洗滌劑將通常包含按重量計從約0%至約40%的兼性離子表面活性劑。兼性離子表面活性劑的非限制性實例包括甜菜鹼、烷基二甲基甜菜鹼、磺基甜菜鹼及其組合。本發明的洗滌劑組合物還包括如在US20130072416或US20130072415中所披露的類異戊二烯表面活性劑中的一個或多個。助水溶劑助水溶劑是如下化合物,該化合物在水性溶液中溶解疏水化合物(或相反地,在非極性環境中的極性物質)。一般地,助水溶物具有親水和疏水兩種特徵(所謂的兩親性質,如由表面活性劑已知的);然而,助水溶劑的分子結構一般不利於自發性自聚集,參見例如通過霍奇登(Hodgdon)和卡勒(Kaler)(2007),膠體&界面科學新見(CurrentOpinioninColloid&InterfaceScience)12:121-128的綜述。助水溶劑並不顯示臨界濃度,高於該濃度就會發生如對表面活性劑而言所發現的自聚集以及脂質形成膠束、薄層或其他很好地定義的中間相。相反,許多助水溶物顯示連續類型的聚集過程,其中聚集物的大小隨著濃度增加而增長。然而,很多助水溶劑改變了包括極性和非極性特徵的物質的系統(包括水、油、表面活性劑、和聚合物的混合物)的相行為、穩定性、和膠體特性。助水溶劑常規地在從藥學(pharma)、個人護理、食品到技術應用的各個產業中應用。助水溶劑在洗滌劑組合物中的使用允許例如更濃的表面活性劑配製品(如在通過去除水而壓縮液體洗滌劑的過程中)而不引起不希望的現象,例如相分離或高粘度。去汙劑可以含有按重量計0-5%、例如0.5%-約5%或約3%-約5%的助水溶劑。可以利用本領域中已知的用於在洗滌劑中使用的任何助水溶劑。助水溶劑的非限制性實例包括苯磺酸鈉、對甲苯磺酸鈉(STS)、二甲苯磺酸鈉(SXS)、枯烯磺酸鈉(SCS)、傘花烴磺酸鈉、氧化胺、醇和聚乙二醇醚、羥基萘甲酸鈉、羥基萘磺酸鈉、乙基己基磺酸鈉及其組合。助洗劑和共助洗劑該洗滌劑組合物可以包含按重量計約0-65%,例如約10%至約40%的洗滌劑助洗劑或共助洗劑、或其混合物。在洗滌餐具洗滌劑中,助洗劑的水平典型地是40%-65%,特別是50%-65%。助洗劑和/或共助洗劑可以具體是形成具有Ca和Mg的水溶性複合物的螯合劑(chelatingagent)(即螯合劑(chelator))。可以利用本領域中已知的用於在衣物洗滌劑中使用的任何助洗劑和/或共-助洗劑。助洗劑的非限制性實例包括沸石、二磷酸鹽(焦磷酸鹽)、三磷酸鹽例如三磷酸鈉(STP或STPP)、碳酸鹽例如碳酸鈉、可溶性矽酸鹽例如矽酸鈉、層狀矽酸鹽(例如來自赫斯特公司(Hoechst)的SKS-6)、乙醇胺例如2-氨基乙-1-醇(MEA)、二乙醇胺(DEA,也稱為亞氨基二乙醇)、三乙醇胺(TEA,也稱為2,2』,2」-次氨基三乙醇)、以及羧甲基菊粉(CMI)及其組合。洗滌劑組合物還可以包含按重量計0-50%,例如約10%至約40%的洗滌劑共助洗劑、或其混合物。洗滌劑組合物可以單獨地包括一種共助洗劑,或與一種助洗劑,例如沸石助洗劑組合。共助洗劑的非限制性實例包括聚丙烯酸酯的均聚物或其共聚物,例如聚(丙烯酸)(PAA)或共聚(丙烯酸/馬來酸)(PAA/PMA)。另外的非限制性實例包括檸檬酸鹽,螯合劑,例如氨基羧酸鹽、氨基多羧酸鹽和膦酸鹽,以及烷基-或烯基琥珀酸。另外的具體實例包括2,2』,2」-次氨基三乙酸(NTA)、乙二胺四乙酸(EDTA)、二亞乙基三胺五乙酸(DTPA)、亞氨基二丁二酸(iminodisuccinicacid)(IDS)、乙二胺-N,N』-二丁二酸(EDDS)、甲基甘氨酸二乙酸(MGDA)、穀氨酸-N,N-二乙酸(GLDA)、1-羥基乙烷-1,1-二膦酸(HEDP)、乙二胺四-(亞甲基膦酸)(EDTMPA)、二亞乙基三胺五(亞甲基膦酸)(DTMPA或DTPMPA)、N-(2-羥乙基)亞氨基二乙酸(EDG)、天冬氨酸-N-單乙酸(ASMA)、天冬氨酸-N,N-二乙酸(ASDA)、天冬氨酸-N-單丙酸(ASMP)、亞氨基二丁二酸(iminodisuccinicacid)(IDA)、N-(2-磺甲基)-天冬氨酸(SMAS)、N-(2-磺乙基)-天冬氨酸(SEAS)、N-(2-磺甲基)-穀氨酸(SMGL)、N-(2-磺乙基)-穀氨酸(SEGL)、N-甲基亞氨基二乙酸(MIDA)、α-丙氨酸-N,N-二乙酸(α-ALDA)、絲氨酸-N,N-二乙酸(SEDA)、異絲氨酸-N,N-二乙酸(ISDA)、苯丙氨酸-N,N-二乙酸(PHDA)、鄰氨基苯甲酸-N,N-二乙酸(ANDA)、磺胺酸-N,N-二乙酸(SLDA)、牛磺酸-N,N-二乙酸(TUDA)以及磺甲基-N,N-二乙酸(SMDA)、N-(2-羥乙基)-亞乙基二胺-N,N』,N』-三乙酸鹽(HEDTA)、二乙醇甘氨酸(DEG)、二亞乙基三胺五(亞甲基膦酸)(DTPMP)、氨基三(亞甲基膦酸)(ATMP)及其組合和鹽。其他示例性助洗劑和/或共助洗劑描述於例如WO09/102854、US5977053中。螯合劑(Chelatingagent)或螯合劑(chelator)是可與特定的金屬離子形成分子的化學物,從而使這些離子失活使其不能與其他元素進行反應,由此是通過形成螯合物而抑制化學活性的一種結合劑。螯合是在配體與單一中心原子之間形成或存在的兩種或更多種單獨的結合。配體可以是任何有機化合物、矽酸鹽或磷酸鹽。在本文上下文中,術語「螯合劑(chelatingagent)」包括螯合劑(chelant)、螯合劑(chelatingagent)、螯合劑(chelatingagent)、絡合劑(complexingagent)、或可與如鈣和鎂等金屬離子形成水溶性複合物的螯合劑(sequesteringagent)。螯合作用描述螯合配體對金屬離子的親和力相對於類似的一組非螯合配體對相同金屬的親和力的增強。螯合劑具有與金屬離子特別是鈣(Ca2+)離子的結合能力,並廣泛應用於洗滌劑,和一般用於洗滌如洗衣或洗碟的組合物。然而,螯合劑自身呈現出抑制酶活性。在本申請中,術語螯合劑(chelatingagent)與「絡合劑(complexingagent)」或「螯合劑(chelatingagent)」或「螯合劑(chelant)」互換使用。由於大多數α-澱粉酶具有鈣敏感性,螯合劑的存在可影響酶活性。α-澱粉酶的鈣敏感性可通過將給定α-澱粉酶在強螯合劑的存在下溫育,並分析該溫育對所述α-澱粉酶的活性的影響來確定。鈣敏感性α-澱粉酶會在溫育過程中喪失其活性的主要部分或全部。該螯合劑可以按一個量值存在於該組合物中,該量值為從0.0001wt%至20wt%、優選地從0.01wt%至10wt%、更優選地從0.1wt%至5wt%。強螯合劑可以是但不限於以下各項:乙二胺四乙酸(EDTA)、二亞乙基三胺五亞甲基膦酸(DTMPA、DTPMP)、羥基乙烷二膦酸(HEDP)、乙二胺N,N'-二丁二酸(EDDS)、甲基甘氨酸二乙酸(MGDA)、二亞乙基三胺五乙酸(DTPA)、丙烯二胺四乙酸(PDTA)、2-羥基吡啶-N-氧化物(HPNO)、甲基甘氨酸二乙酸(MGDA)、穀氨酸N,N-二乙酸(N,N-二羧基甲基穀氨酸四鈉鹽(GLDA)和次氨基三乙酸(NTA)或其混合物。螯合劑可以按它們的酸形式或鹽存在,優選地,螯合劑可以作為鈉鹽、銨鹽或鉀鹽存在。表徵螯合劑:如所提及的,螯合效應(chelateeffect或chelatingeffect)描述了與相似的非螯合配體對於金屬離子的親和力相比,螯合配體對於相同的金屬離子具有增強的親和力。然而,該螯合作用的強度可通過多種類型的測定或測量方法決定,由此根據其螯合作用(或強度)對螯合劑進行區分和排位。在一個測定中,螯合劑可以通過它們在pH8.0下將游離鈣離子(Ca2+)的濃度從2.0mM降低至0.10mM或更少的能力來表徵,例如通過使用基於由M.K.納卡拉佔(Nagarajan)等人,JAOCS,第61卷,第9期(1984年9月),第1475-1478頁描述的方法的測試。供參考,一種螯合劑與以該螯合劑相等濃度的EDTA在pH下具有將游離鈣離子(Ca2+)濃度從2.0mM降低至0.10mM相同能力,則該螯合劑被稱為強螯合劑。漂白系統:所述洗滌劑可以包含按重量計0-20%,如約0%至約10%的漂白系統。可以利用本領域中已知的用於在衣物+餐具洗滌+I&I洗滌劑中使用的任何漂白系統。適合的漂白系統組分包括漂白催化劑、光漂白劑、漂白活化劑、過氧化氫源如過碳酸鈉和過硼酸鈉、預製的過酸和其混合物。適合的預成型過酸包括但不限於:過氧羧酸及鹽、過碳酸及鹽、過亞氨酸(perimidicacid)及鹽、過氧單硫酸及鹽(例如過硫酸氫鉀(Oxone(R))、及其混合物。漂白系統的非限制性實例包括基於過氧化物的漂白系統,該系統可以包括例如一種與過酸形成漂白活化劑組合的無機鹽,包括鹼金屬鹽,例如過硼酸鹽(通常是單水合物或四水合物)、過碳酸鹽、過硫酸鹽、過磷酸鹽、過矽酸鹽的鈉鹽。術語漂白活化劑在此意指一種與過氧化物漂白劑(像過氧化氫)反應以形成過酸的化合物。因此形成的過酸構成活化的漂白劑。有待在此使用的適合漂白活化劑包括屬於酯醯胺、醯亞胺或酸酐類別的那些。適合的實例是四乙醯基乙二胺(TAED)、4-[(3,5,5-三甲基己醯)氧基]苯磺酸鈉(ISONOBS)、二過氧月桂酸、4-(十二醯基氧基)苯磺酸鹽(LOBS)、4-(癸醯基氧基)苯磺酸鹽、4-(癸醯基氧基)苯甲酸鹽(DOBS)、4-(壬醯基氧基)-苯磺酸鹽(NOBS)、和/或披露於WO98/17767中的那些。感興趣的漂白活化劑的具體家族披露於EP624154中並且在那個家族中特別優選的是乙醯檸檬酸三乙酯(ATC)。ATC或短鏈甘油三酸酯(像三醋汀)具有以下優點,它是環境友好的,因為它最終降解為檸檬酸和醇。此外,乙醯檸檬酸三乙酯和三醋汀在儲存時在產品中具有良好的水解穩定性,並且它是一種有效的漂白活化劑。最後,ATC為洗衣添加劑提供一種良好的助洗能力。可替代地,漂白系統可以包括例如醯胺、醯亞胺、或碸型的過氧酸。該漂白系統還可以包括過酸,例如6-(苯二甲醯亞氨基)過己酸(PAP)。該漂白系統還可以包括漂白催化劑。在一些實施例中,漂白組分可以是選自下組的有機催化劑,該組由以下各項組成:具有下式的有機催化劑:(iii)及其混合物;其中每個R1獨立地是包含從9至24個碳的支鏈烷基基團或包含從11至24個碳的直鏈烷基基團,優選地,每個R1獨立地是包含從9至18個碳的支鏈烷基基團或包含從11至18個碳的直鏈烷基基團,更優選地,每個R1獨立地選自下組,該組由以下各項組成:2-丙基庚基、2-丁基辛基、2-戊基壬基、2-己基癸基、正-十二烷基、正-十四烷基、正-十六烷基、正-十八烷基、異-壬基、異-癸基、異-十三基和異-十五烷基。其他示例性漂白系統描述於例如WO2007/087258、WO2007/087244、WO2007/087259以及WO2007/087242中。適合的光漂白劑可以例如是磺化的酞菁鋅。聚合物:所述洗滌劑可以包含按重量計0-10%,例如0.5%-5%、2%-5%、0.5%-2%或0.2%-1%的聚合物。可以利用本領域中已知的用於在洗滌劑中使用的任何聚合物。該聚合物可以作為如以上提到的共助洗劑起作用,或可以提供抗再沉積、纖維保護、汙垢釋放、染料轉移抑制、油汙清潔和/或防沫特性。一些聚合物可以具有多於一種的以上提到的特性和/或多於一種的以下提到的基序(motif)。示例性聚合物包括(羧甲基)纖維素(CMC)、聚(乙烯醇)(PVA)、聚(乙烯吡咯烷酮)(PVP)、聚(乙二醇)或聚(環氧乙烷)(PEG)、乙氧基化的聚(亞乙基亞胺)、羧甲基菊粉(CMI)、和聚羧化物,例如PAA、PAA/PMA、聚-天冬氨酸、和甲基丙烯酸月桂酯/丙烯酸共聚物、疏水修飾CMC(HM-CMC)和矽酮、對苯二甲酸和低聚乙二醇的共聚物、聚(對苯二甲酸乙二酯)和聚(氧乙烯對苯二甲酸乙二酯)的共聚物(PET-POET)、PVP、聚(乙烯基咪唑)(PVI)、聚(乙烯吡啶-N-氧化物)(PVPO或PVPNO)以及聚乙烯吡咯烷酮-乙烯基咪唑(PVPVI)。另外的示例性聚合物包括磺化的聚羧酸酯、聚環氧乙烷和聚環氧丙烷(PEO-PPO)以及乙氧基硫酸二季銨鹽。其他示例性聚合物披露於例如WO2006/130575中。也考慮了以上提到的聚合物的鹽。織物調色劑:本發明的洗滌劑組合物還可以包括織物調色劑,例如當配製在洗滌劑組合物中時,可以在織物與包括所述洗滌劑組合物的洗滌液體接觸時沉積在所述織物上並從而通過可見光吸收/反射來改變所述織物色彩的染料或色素。螢光增白劑發射至少一些可見光。相比之下,因為它們吸收至少一部分可見光光譜,所以織物調色劑改變表面的色彩。適合的織物調色劑包括染料和染料-粘土軛合物,並且還可以包括色素。適合的染料包括小分子染料和聚合物染料。適合的小分子染料包括選自下組的小分子染料,該組由落入顏色索引(ColourIndex)(C.I.)分類的以下染料組成:直接藍、直接紅、直接紫、酸性藍、酸性紅、酸性紫、鹼性藍、鹼性紫和鹼性紅、或其混合物,例如描述於WO2005/03274、WO2005/03275、WO2005/03276和EP1876226中(將其通過引用而特此結合)。洗滌劑組合物優選包括從約0.00003wt%至約0.2wt%、從約0.00008wt%至約0.05wt%、或甚至從約0.0001wt%至約0.04wt%的織物調色劑。該組合物可以包括從0.0001wt%至0.2wt%的織物調色劑,當該組合物處於單位劑量袋的形式時,這可以是特別優選的。適合的調色劑還披露於例如WO2007/087257和WO2007/087243中。另外的酶洗滌劑添加劑連同洗滌劑組合物可以包括一種或多種另外的酶,例如蛋白酶、脂肪酶、角質酶、澱粉酶、糖酶、纖維素酶、果膠酶、甘露聚糖酶、阿拉伯糖酶、半乳聚糖酶、木聚糖酶、氧化酶,例如漆酶、和/或過氧化物酶。一般而言,一種或多種所選酶的特性應與選定的洗滌劑相容(即,最適pH,與其他酶和非酶成分的相容性,等等),並且該一種或多種酶應以有效量存在。纖維素酶適合的纖維素酶包括細菌或真菌來源的那些。包括化學修飾的或蛋白質工程化的突變體。適合的纖維素酶包括來自芽孢桿菌屬、假單胞菌屬、腐質黴屬、鐮孢屬、梭孢殼菌屬、支頂孢屬的纖維素酶,例如披露於US4,435,307、US5,648,263、US5,691,178、US5,776,757以及WO89/09259中的由特異腐質黴、嗜熱毀絲黴和尖孢鐮孢菌產生的真菌纖維素酶。特別適合的纖維素酶是具有顏色護理益處的鹼性或中性纖維素酶。此類纖維素酶的實例是描述於EP0495257、EP0531372、WO96/11262、WO96/29397、WO98/08940中的纖維素酶。其他實例是例如描述於WO94/07998、EP0531315、US5,457,046、US5,686,593、US5,763,254、WO95/24471、WO98/12307以及WO99/001544中的那些纖維素酶變體。其他纖維素酶是具有以下序列的內切-β-1,4-葡聚糖酶,該序列與WO2002/099091的SEQIDNO:2的位置1至位置773的胺基酸序列具有至少97%一致性,或家族44木葡聚糖酶,該木葡聚糖酶具有以下序列,該序列與WO2001/062903的SEQIDNO:2的位置40-559具有至少60%一致性。可商購的纖維素酶包括CelluzymeTM和CarezymeTM(諾維信公司(NovozymesA/S))、CarezymePremiumTM(諾維信公司)、CellucleanTM(諾維信公司)、CellucleanClassicTM(諾維信公司)、CellusoftTM(諾維信公司)、WhitezymeTM(諾維信公司)、ClazinaseTM和PuradaxHATM(傑能科國際公司(GenencorInternationalInc.))以及KAC-500(B)TM(花王株式會社(KaoCorporation))。甘露聚糖酶:適合的甘露聚糖酶包括細菌或真菌來源的那些。包括化學或基因修飾的突變體。甘露聚糖酶可以是家族5或26的鹼性甘露聚糖酶。它可以是一種來自芽孢桿菌屬或腐質黴屬的野生型,特別是粘瓊脂芽孢桿菌、地衣芽孢桿菌、耐鹽嗜鹼芽孢桿菌(B.halodurans)、克勞氏芽孢桿菌(B.clausii)或特異腐質黴。適合的甘露聚糖酶描述於WO1999/064619中。一種可商購的甘露聚糖酶是Mannaway(諾維信公司)。過氧化物酶/氧化酶:適合的過氧化物酶/氧化酶包括植物、細菌或真菌來源的那些。包括化學修飾的或蛋白質工程化的突變體。有用的過氧化物酶的實例包括來自鬼傘屬,例如來自灰蓋鬼傘的過氧化物酶,及其變體,如在WO93/24618、WO95/10602、以及WO98/15257中描述的那些。可商購的過氧化物酶包括GuardzymeTM(諾維信公司)。蛋白酶:適合的蛋白酶包括細菌、真菌、植物、病毒或動物來源的那些,例如植物或微生物來源。優選微生物來源。包括化學修飾的或蛋白質工程化的突變體。它可以是一種鹼性蛋白酶,例如絲氨酸蛋白酶或金屬蛋白酶。絲氨酸蛋白酶可以例如是S1家族(如胰蛋白酶)或S8家族(如枯草桿菌蛋白酶)。金屬蛋白酶可以例如是來自例如家族M4的嗜熱菌蛋白酶或其他金屬蛋白酶,例如來自M5、M7或M8家族的那些。術語「枯草桿菌酶」是指根據斯艾森(Siezen)等人,蛋白質工程學(ProteinEngng.)4(1991)719-737和斯艾森等人,蛋白質科學(ProteinScience)6(1997)501-523的絲氨酸蛋白酶亞組。絲氨酸蛋白酶是特徵為在活性位點具有與底物形成共價加合物的絲氨酸的蛋白酶的一個亞組。枯草桿菌酶可以劃分為6個亞部,即,枯草桿菌蛋白酶家族、嗜熱蛋白酶家族、蛋白酶K家族、羊毛硫抗生素肽酶家族、Kexin家族和Pyrolysin家族。枯草桿菌酶的實例是來源於芽孢桿菌屬的那些,例如描述於US7262042和WO09/021867中的遲緩芽孢桿菌、嗜鹼芽孢桿菌、枯草芽孢桿菌、解澱粉芽孢桿菌、短小芽孢桿菌和吉氏芽孢桿菌;和描述於WO89/06279中的枯草桿菌蛋白酶遲緩(lentus)、枯草桿菌蛋白酶諾和(Novo)、枯草桿菌蛋白酶嘉士伯(Carlsberg)、地衣芽孢桿菌、枯草桿菌蛋白酶BPN』、枯草桿菌蛋白酶309、枯草桿菌蛋白酶147和枯草桿菌蛋白酶168以及描述於(WO93/18140)中的蛋白酶PD138。其他有用的蛋白酶可以是描述於WO92/175177、WO01/016285、WO02/026024以及WO02/016547中的那些。胰蛋白酶樣蛋白酶的實例是胰蛋白酶(例如豬或牛來源的)和鐮孢菌蛋白酶(描述於WO89/06270、WO94/25583和WO05/040372中),以及衍生自纖維單胞菌(Cellumonas)的胰凝乳蛋白酶(描述於WO05/052161和WO05/052146中)。進一步優選的蛋白酶是來自遲緩芽孢桿菌DSM5483的鹼性蛋白酶(如在例如WO95/23221中所述)、及其變體(在WO92/21760、WO95/23221、EP1921147以及EP1921148中描述的)。金屬蛋白酶的實例是如描述於WO07/044993(傑能科國際公司(GenencorInt.))中的中性金屬蛋白酶,例如來源於解澱粉芽孢桿菌的那些。有用的蛋白酶的實例是於以下各項中的變體:WO92/19729、WO96/034946、WO98/20115、WO98/20116、WO99/011768、WO01/44452、WO03/006602、WO04/03186、WO04/041979、WO07/006305、WO11/036263、WO11/036264,尤其是在以下位置的一個或多個中具有取代的變體:3、4、9、15、27、36、57、68、76、87、95、96、97、98、99、100、101、102、103、104、106、118、120、123、128、129、130、160、167、170、194、195、199、205、206、217、218、222、224、232、235、236、245、248、252以及274,使用BPN』編號。更優選地,這些枯草桿菌酶變體可以包含以下突變:S3T、V4I、S9R、A15T、K27R、*36D、V68A、N76D、N87S,R、*97E、A98S、S99G,D,A、S99AD、S101G,M,R、S103A、V104I,Y,N、S106A、G118V,R、H120D,N、N123S、S128L、P129Q、S130A、G160D、Y167A、R170S、A194P、G195E、V199M、V205I、L217D、N218D、M222S、A232V、K235L、Q236H、Q245R、N252K、T274A(使用BPN』編號)。適合的可商購蛋白酶包括以下列商品名出售的那些:DuralaseTm、DurazymTm、Ultra、Ultra、Ultra、Ultra、以及(諾維信公司),以下列商品名出售的那些:PurafectPreferenzTm、PurafectPurafectPurafectEffectenzTm、以及(丹尼斯克/杜邦公司(Danisco/DuPont))、AxapemTM(吉斯特布羅卡德斯公司(Gist-BrocasesN.V.))、BLAP(序列示於US5352604的圖29中)及其變體(漢高股份(HenkelAG))以及來自花王株式會社(Kao)的KAP(嗜鹼芽孢桿菌枯草桿菌蛋白酶)。脂肪酶和角質酶:適合的脂肪酶和角質酶包括細菌或真菌來源的那些。包括化學修飾的或蛋白質工程化的突變體酶。實例包括來自嗜熱真菌屬的脂肪酶,例如如描述於EP258068和EP305216中的來自疏綿狀嗜熱絲孢菌(早先命名為疏棉狀腐質黴);來自腐質黴屬的角質酶,例如特異腐質黴(WO96/13580);來自假單胞菌屬的菌株的脂肪酶(這些中的一些現在改名為伯克霍爾氏菌屬),例如產鹼假單胞菌或類產鹼假單胞菌(EP218272)、洋蔥假單胞菌(EP331376)、假單胞菌屬菌株SD705(WO95/06720&WO96/27002)、威斯康星假單胞菌(P.wisconsinensis)(WO96/12012);GDSL-型鏈黴菌屬脂肪酶(WO10/065455);來自稻瘟病菌的角質酶(WO10/107560);來自門多薩假單胞菌的角質酶(US5,389,536);來自褐色嗜熱裂孢菌(Thermobifidafusca)的脂肪酶(WO11/084412);嗜熱脂肪土芽孢桿菌脂肪酶(WO11/084417);來自枯草芽孢桿菌的脂肪酶(WO11/084599);以及來自灰色鏈黴菌(WO11/150157)和始旋鏈黴菌(S.pristinaespiralis)的脂肪酶(WO12/137147)。其他實例是脂肪酶變體,例如描述於EP407225、WO92/05249、WO94/01541、WO94/25578、WO95/14783、WO95/30744、WO95/35381、WO95/22615、WO96/00292、WO97/04079、WO97/07202、WO00/34450、WO00/60063、WO01/92502、WO07/87508以及WO09/109500中的那些。優選的商業化脂肪酶產品包括LipolaseTM、LipexTM;LipolexTM和LipocleanTM(諾維信公司)、Lumafast(來自傑能科公司(Genencor))以及Lipomax(來自吉斯特布羅卡德斯公司(Gist-Brocades))。再其他實例是有時稱為醯基轉移酶或過水解酶的脂肪酶,例如與南極假絲酵母(Candidaantarctica)脂肪酶A具有同源性的醯基轉移酶(WO10/111143)、來自恥垢分枝桿菌(Mycobacteriumsmegmatis)的醯基轉移酶(WO05/56782)、來自CE7家族的過水解酶(WO09/67279)以及恥垢分枝桿菌過水解酶的變體(特別是來自亨斯邁紡織品染化有限公司(HuntsmanTextileEffectsPteLtd)的商業產品GentlePowerBleach中所用的S54V變體)(WO10/100028)。澱粉酶:可以與本發明的酶一起使用的適合的澱粉酶可以是α-澱粉酶或葡糖澱粉酶並且可以具有細菌或真菌起源。包括化學修飾的或蛋白質工程化的突變體。澱粉酶包括例如獲得自芽孢桿菌屬的α-澱粉酶,例如GB1,296,839中更詳細描述的地衣芽孢桿菌具體株系的α-澱粉酶。適合的澱粉酶包括具有WO95/10603中的SEQIDNO:2的澱粉酶或其與SEQIDNO:3具有90%序列一致性的變體。優選的變體描述於WO94/02597、WO94/18314、WO97/43424以及WO99/019467的SEQIDNO:4中,例如在一個或多個以下位置中具有取代的變體:15、23、105、106、124、128、133、154、156、178、179、181、188、190、197、201、202、207、208、209、211、243、264、304、305、391、408以及444。不同的適合的澱粉酶包括具有WO02/010355中的SEQIDNO:6的澱粉酶或其與SEQIDNO:6具有90%序列一致性的變體。SEQIDNO:6的優選變體是在位置181和182中具有缺失並且在位置193中具有取代的那些。其他適合的澱粉酶是包括示於WO2006/066594的SEQIDNO:6中的來源於解澱粉芽孢桿菌的α-澱粉酶的殘基1-33和示於WO2006/066594的SEQIDNO:4中的地衣芽孢桿菌α-澱粉酶的殘基36-483的雜合α-澱粉酶或其具有90%序列一致性的變體。這一雜合α-澱粉酶的優選變體是在以下位置中的一個或多個中具有取代、缺失或插入的那些:G48、T49、G107、H156、A181、N190、M197、I201、A209以及Q264。包括示於WO2006/066594的SEQIDNO:6中的來源於解澱粉芽孢桿菌的α-澱粉酶的殘基1-33和SEQIDNO:4的殘基36-483的雜合α-澱粉酶的最優選變體是具有以下取代的那些:M197T;H156Y+A181T+N190F+A209V+Q264S;或G48A+T49I+G107A+H156Y+A181T+N190F+I201F+A209V+Q264S。適合的另外的澱粉酶是具有WO99/019467中的SEQIDNO:6的澱粉酶或其與SEQIDNO:6具有90%序列一致性的變體。SEQIDNO:6的優選變體是在以下位置中的一個或多個中具有取代、缺失或插入的那些:R181、G182、H183、G184、N195、I206、E212、E216以及K269。特別優選的澱粉酶是在位置R181和G182或位置H183和G184中具有缺失的那些。可以使用的另外的澱粉酶是具有WO96/023873的SEQIDNO:1、SEQIDNO:3、SEQIDNO:2或SEQIDNO:7的那些或其與SEQIDNO:1、SEQIDNO:2、SEQIDNO:3或SEQIDNO:7具有90%序列一致性的變體。使用WO96/023873的SEQID2用於編號,SEQIDNO:1、SEQIDNO:2、SEQIDNO:3或SEQIDNO:7的優選變體是在以下位置中的一個或多個中具有取代、缺失或插入的那些:140、181、182、183、184、195、206、212、243、260、269、304以及476。更優選的變體是在選自181、182、183和184的兩個位置,例如181和182、182和183、或位置183和184具有缺失的那些。SEQIDNO:1、SEQIDNO:2或SEQIDNO:7的最優選的澱粉酶變體是在位置183和184中具有缺失並且在位置140、195、206、243、260、304以及476的一個或多個中具有取代的那些。可以使用的其他澱粉酶是具有WO08/153815中的SEQIDNO:2、WO01/66712中的SEQIDNO:10的澱粉酶或其與WO08/153815的SEQIDNO:2具有90%序列一致性或與WO01/66712中的SEQIDNO:10具有90%序列一致性的變體。WO01/66712中的SEQIDNO:10的優選變體是在以下位置中的一個或多個中具有取代、缺失或插入的那些:176、177、178、179、190、201、207、211以及264。另外的適合的澱粉酶是具有WO09/061380中的SEQIDNO:2的澱粉酶或其與SEQIDNO:2具有90%序列一致性的變體。SEQIDNO:2的優選變體是在以下位置中的一個或多個中具有C-末端的截短和/或取代、缺失或插入的那些:Q87、Q98、S125、N128、T131、T165、K178、R180、S181、T182、G183、M201、F202、N225、S243、N272、N282、Y305、R309、D319、Q320、Q359、K444以及G475。SEQIDNO:2的更優選變體是在一個或多個以下位置中具有取代的那些:Q87E,R、Q98R、S125A、N128C、T131I、T165I、K178L、T182G、M201L、F202Y、N225E,R、N272E,R、S243Q,A,E,D、Y305R、R309A、Q320R、Q359E、K444E以及G475K和/或位置R180和/或S181或T182和/或G183的缺失。SEQIDNO:2的最優選的澱粉酶變體是具有以下取代的那些:N128C+K178L+T182G+Y305R+G475K;N128C+K178L+T182G+F202Y+Y305R+D319T+G475K;S125A+N128C+K178L+T182G+Y305R+G475K;或S125A+N128C+T131I+T165I+K178L+T182G+Y305R+G475K,其中這些變體是C-末端截短的並且任選地進一步在位置243處包括取代和/或在位置180和/或位置181處包括缺失。另外的適合的澱粉酶是具有WO13184577中的SEQIDNO:1的澱粉酶或其與SEQIDNO:1具有90%序列一致性的變體。SEQIDNO:1的優選變體是在以下位置中的一個或多個中具有取代、缺失或插入的那些:K176、R178、G179、T180、G181、E187、N192、M199、I203、S241、R458、T459、D460、G476和G477。SEQIDNO:1的更優選變體是以下位置:K176L、E187P、N192FYH、M199L、I203YF、S241QADN、R458N、T459S、D460T、G476K和G477K中的一個或多個中具有取代和/或在位置R179和/或S180或I181和/或G182中具有缺失的那些。SEQIDNO:1的最優選的澱粉酶變體是具有以下取代的那些:E187P+I203Y+G476K,E187P+I203Y+R458N+T459S+D460T+G476K,其中這些變體任選地進一步在位置241處包括取代和/或在位置178和/或位置179處包括缺失。另外的適合的澱粉酶是具有WO10104675中的SEQIDNO:1的澱粉酶或其與SEQIDNO:1具有90%序列一致性的變體。SEQIDNO:1的優選變體是在以下位置中的一個或多個中具有取代、缺失或插入的那些:N21、D97、V128、K177、R179、S180、I181、G182、M200、L204、E242、G477和G478。SEQIDNO:1的更優選變體是以下位置:N21D、D97N、V128I、K177L、M200L、L204YF、E242QA、G477K和G478K中的一個或多個中具有取代和/或在位置R179和/或S180或I181和/或G182中具有缺失的那些。SEQIDNO:1的最優選的澱粉酶變體是具有以下取代的那些:N21D+D97N+V128I其中這些變體任選地進一步在位置200處包括取代和/或在位置180和/或位置181處包括缺失。其他適合的澱粉酶是具有WO01/66712中的SEQIDNO:12的α-澱粉酶或與SEQIDNO:12具有至少90%序列一致性的變體。優選的澱粉酶變體是在WO01/66712中的SEQIDNO:12的以下位置的一個或多個中具有取代、缺失或插入的那些:R28、R118、N174;R181、G182、D183、G184、G186、W189、N195、M202、Y298、N299、K302、S303、N306、R310、N314;R320、H324、E345、Y396、R400、W439、R444、N445、K446、Q449、R458、N471、N484。特別優選的澱粉酶包括具有D183和G184的缺失並且具有R118K、N195F、R320K及R458K的取代的變體,以及另外在選自下組的一個或多個位置中具有取代的變體:M9、G149、G182、G186、M202、T257、Y295、N299、M323、E345以及A339,最優選的是另外在所有這些位置中具有取代的變體。其他實例是例如描述於WO2011/098531、WO2013/001078及WO2013/001087中的那些澱粉酶變體。可商購的澱粉酶是DuramylTM、特妙澱粉酶TM、FungamylTM、StainzymeTM、StainzymePlusTM、NatalaseTM、LiquozymeX及BANTM(來自諾維信公司),以及RapidaseTM、PurastarTM/EffectenzTM、Powerase、PreferenzS1000、PreferenzS100及PreferenzS110(來自傑能科國際有限公司/杜邦公司(GenencorInternationalInc./DuPont))。該一種或多種洗滌劑酶可以通過添加包含一種或多種酶的單獨的添加劑,或通過添加包括所有這些酶的組合添加劑而被包括於洗滌劑組合物中。本發明的洗滌劑添加劑,即單獨的或組合的添加劑,可以配製成例如顆粒、液體、漿液等,優選的洗滌劑添加劑劑型為顆粒,特別是無粉塵顆粒;液體,特別是穩定化液體;或者漿液。非塵顆粒可以例如如在US4,106,991和4,661,452中所披露而產生,並且可以任選地通過本領域已知的方法進行包衣。蠟狀包衣材料的實例為具有1000至20000的平均摩爾重量的聚(環氧乙烷)產物(聚乙二醇,PEG);具有從16至50個環氧乙烷單元的乙氧化壬基苯酚;乙氧化脂肪醇,其中該醇包含從12至20個碳原子,並且其中具有15至80個環氧乙烷單元;脂肪醇;脂肪酸;以及脂肪酸的甘油單酯和甘油二酯以及甘油三酯。適用於通過流化床技術應用的成膜包衣材料的實例在GB1483591中給出。液體酶製品可以例如通過根據已確立的方法添加多元醇(如丙二醇)、糖或糖醇、乳酸或硼酸而穩定化。受保護的酶可以根據EP238,216中披露的方法來製備。輔料還可以利用本領域中已知的用於在衣物洗滌劑中使用的任何洗滌劑組分。其他任選的洗滌劑組分包括防腐劑、防縮劑、抗汙垢再沉積劑、抗皺劑、殺細菌劑、粘合劑、腐蝕抑制劑、崩解劑(disintegrant)/崩解試劑(disintegrationagent)、染料、酶穩定劑(包括硼酸、硼酸鹽、CMC和/或多元醇如丙二醇)、織物整理劑(包括粘土)、填充劑/加工助劑、螢光增白劑/光學增亮劑、增泡劑、泡沫(泡)調節劑、香料、汙垢助懸劑、軟化劑、抑泡劑、晦暗抑制劑以及芯吸劑,單獨或組合使用。可以利用本領域中已知的用於在衣物洗滌劑中使用的任何成分。此類成分的選擇完全在普通技術人員的技術範圍內。分散劑:本發明的洗滌劑組合物還可以包含分散劑。具體地說,粉末洗滌劑可以包括分散劑。適合的水溶性有機材料包括均聚合或共聚合的酸或其鹽,其中聚羧酸包括至少兩個羧基,這兩個羧基被不超過兩個碳原子彼此分開。適合的分散劑例如描述於粉末洗滌劑,表面活性劑科學系列(SurfactantScienceSeries),第71卷中,馬塞爾·德克爾公司(MarcelDekker)。染料轉移抑制劑:本發明的洗滌劑組合物還可以包括一種或多種染料轉移抑制劑。適合的聚合物染料轉移抑制劑包括但不限於聚乙烯吡咯烷酮聚合物、多胺N-氧化物聚合物、N-乙烯吡咯烷酮與N-乙烯基咪唑的共聚物、聚乙烯噁唑烷酮以及聚乙烯咪唑或其混合物。當存在於主題組合物中時,染料轉移抑制劑可以按組合物重量計的以下水平存在:從約0.0001%至約10%、從約0.01%至約5%或甚至從約0.1%至約3%。螢光增白劑:本發明的洗滌劑組合物還可以優選地包含另外的組分,這些組分可以給正清潔的物品著色,例如螢光增白劑或光學增亮劑。其中增亮劑優選以約0.01%至約0.5%的水平存在。在本發明的組合物中可以使用適合用於在衣物洗滌劑組合物中使用的任何螢光增白劑。最常用的螢光增白劑是屬於以下類別的那些:二氨芪-磺酸衍生物、二芳基吡唑啉衍生物和二苯基-聯苯乙烯基衍生物。螢光增白劑的二氨芪-磺酸衍生物型的實例包括以下各項的鈉鹽:4,4'-雙-(2-二乙醇氨基-4-苯胺基-s-三嗪-6-基氨基)芪-2,2'-二磺酸鹽;4,4'-雙-(2,4-二苯胺基-s-三嗪-6-基氨基)芪-2.2'-二磺酸鹽;4,4'-雙-(2-苯胺基-4(N-甲基-N-2-羥基-乙氨基)-s-三嗪-6-基氨基)芪-2,2'-二磺酸鹽,4,4'-雙-(4-苯基-2,1,3-三唑-2-基)芪-2,2'-二磺酸鹽;4,4'-雙-(2-苯胺基-4(1-甲基-2-羥基-乙氨基)-s-三嗪-6-基氨基)芪-2,2'-二磺酸鹽和2-(二苯乙烯基-4"-萘-1.,2':4,5)-1,2,3-三唑-2"-磺酸鹽。優選的螢光增白劑是可從汽巴-嘉基股份有限公司(Ciba-GeigyAG)(巴塞爾,瑞士)獲得的天來寶(Tinopal)DMS和天來寶CBS。天來寶DMS是4,4'-雙-(2-嗎啉基-4苯胺基-s-三嗪-6-基氨基)芪二磺酸鹽的二鈉鹽。天來寶CBS是2,2'-雙-(苯基-苯乙烯基)二磺酸鹽的二鈉鹽。還優選螢光增白劑,是可商購的ParawhiteKX,由派拉蒙礦物與化學(ParamountMineralsandChemicals),孟買,印度供應。適合用於在本發明中使用的其他螢光劑包括1-3-二芳基吡唑啉和7-烷氨基香豆素。適合的螢光增亮劑水平包括從約0.01wt%、從0.05wt%、從約0.1wt%或甚至從約0.2wt%的較低水平至0.5wt%或甚至0.75wt%的較高水平。汙垢釋放聚合物:本發明的洗滌劑組合物還可以包括一種或多種汙垢釋放聚合物,這些汙垢釋放聚合物幫助從織物,例如棉或聚酯基織物上除去汙垢,特別是從聚酯基織物上除去疏水汙垢。汙垢釋放聚合物可以例如是非離子型或陰離子型對苯二甲酸基聚合物、聚乙烯基己內醯胺和相關共聚物、乙烯基接枝共聚物、聚酯聚醯胺,參見例如粉末洗滌劑,表面活性劑科學系列第71卷第7章,馬塞爾·德克爾公司(MarcelDekker,Inc.)。另一種類型的汙垢釋放聚合物是包括核心結構和連接至該核心結構的多個烷氧基化基團的兩親性烷氧基化油汙清潔聚合物。核心結構可以包括聚烷基亞胺結構或聚烷醇胺結構,如WO2009/087523中詳細描述的(將其通過引用而特此結合)。此外,任意接枝共聚物是適合的汙物釋放聚合物。適合的接枝共聚物更詳細地描述於WO2007/138054、WO2006/108856以及WO2006/113314中(將其通過引用而特此結合)。其他汙垢釋放聚合物是取代的多糖結構,尤其是取代的纖維素結構,例如改性纖維素衍生物,例如EP1867808或WO2003/040279中描述的那些(將二者都通過引用而特此結合)。適合的纖維素聚合物包括纖維素、纖維素醚、纖維素酯、纖維素醯胺及其混合物。適合的纖維素聚合物包括陰離子改性的纖維素、非離子改性的纖維素、陽離子改性的纖維素、兼性離子改性的纖維素及其混合物。適合的纖維素聚合物包括甲基纖維素、羧甲基纖維素、乙基纖維素、羥乙基纖維素、羥丙基甲基纖維素、酯羧甲基纖維素及其混合物。抗再沉積劑:本發明的洗滌劑組合物還可以包括一種或多種抗再沉積劑,例如羧甲基纖維素(CMC)、聚乙烯醇(PVA)、聚乙烯吡咯烷酮(PVP)、聚環氧乙烷和/或聚乙二醇(PEG)、丙烯酸的均聚物、丙烯酸與馬來酸的共聚物以及乙氧基化聚乙亞胺。以上在汙垢釋放聚合物下描述的纖維素基聚合物還可以用作抗再沉積劑。其他適合的輔料包括但不限於防縮劑、抗皺劑、殺細菌劑、粘合劑、載體、染料、酶穩定劑、織物柔軟劑、填充劑、泡沫調節劑、助水溶劑、香料、色素、抑泡劑、溶劑以及用於液體洗滌劑的結構劑和/或結構彈性劑。洗滌劑產品的配製本發明的洗滌劑組合物可以處於任何常規形式,例如條、均勻的片劑、具有兩個或更多個層的片劑、具有一個或多個室的袋、規則的或壓縮的粉末、顆粒、膏、凝膠、或規則的、壓縮的或濃縮的液體。存在多種洗滌劑配製品形式,例如層(相同或不同相)、袋以及用於機械給料裝置的形式。可以將小袋配置為單一隔室或多隔室。它可以具有適合保存該組合物的任何形式、形狀和材料,例如在與水接觸之前,不允許該組合物從袋中釋放出來。袋由封裝內體積的水溶性膜製成。可以將所述內體積分為袋的室。優選的膜是形成膜或片的聚合材料,優選是聚合物。優選的聚合物、共聚物或其衍生物選自聚丙烯酸酯、和水溶性丙烯酸酯共聚物、甲基纖維素、羧甲基纖維素、糊精鈉、乙基纖維素、羥乙基纖維素、羥丙基甲基纖維素、麥芽糊精、聚甲基丙烯酸酯,最優選地是聚乙烯醇共聚物和羥丙基甲基纖維素(HPMC)。優選地,在膜中的聚合物(例如PVA)的水平是至少約60%。優選的平均分子量將典型地是約20,000至約150,000。膜還可以是共混物組合物,該共混物組合物包括可水解降解並且水可溶的聚合物共混物,例如聚乳酸和聚乙烯醇(已知在貿易參考M8630下,如由美國印第安納州蓋裡(Gary,Ind.,US)的克裡斯克拉夫特工業產品公司(ChrisCraftIn.Prod.)銷售)加增塑劑,像甘油、乙二醇、丙二醇、山梨醇及其混合物。這些袋可以包括固體衣物清潔組合物或部分組分和/或液體清潔組合物或由水溶性膜分開的部分組分。用於液體組分的室在組成上可以與包括固體的室不同(US2009/0011970A1)。可以由水可溶的袋中或片劑的不同層中的室來將洗滌劑成分物理地彼此分開。由此可以避免組分之間的負面的存儲相互作用。在洗滌溶液中,每個室的不同溶解曲線還可以引起選擇的組分的延遲溶解。非單位劑量的液體或凝膠洗滌劑可以是水性的,典型地包含按重量計至少20%並且最高達95%的水,例如高達約70%的水、高達約65%的水、高達約55%的水、高達約45%的水、高達約35%的水。包括但不限於鏈烷醇、胺、二醇、醚以及多元醇的其他類型的液體可以被包括在水性液體或凝膠中。含水液體或凝膠洗滌劑可以包含從0-30%的有機溶劑。液體或凝膠洗滌劑可以是非水性的。洗衣皂條本發明的酶可以被添加至洗衣皂條中並且用於手洗洗衣、織物和/或紡織品。術語洗衣皂條包括洗衣條、皂條、組合條(combobar)、合成洗滌劑條以及洗滌劑條。條的類型通常區別在於它們包含的表面活性劑的類型,並且術語洗滌皂條包括包含來自脂肪酸的皂和/或合成皂的那些。洗滌皂條具有在室溫下為固體而非液體、凝膠或粉末的物理形式。術語固體被定義為不隨著時間顯著變化的物理形式,即如果將固體物體(例如洗衣皂條)放置於容器內部,該固體物體不發生改變來填充它被放置於其中的容器。該條是典型地呈條形式但是可以呈其他固體形狀、如圓形或卵形的一種固體。洗衣皂條可以包括一種或多種另外的酶,蛋白酶抑制劑例如肽醛類(或次硫酸鹽加合物或半縮醛加合物),硼酸,硼酸鹽,硼砂和/或苯基硼酸衍生物例如4-甲醯基苯基硼酸,一種或多種肥皂或合成表面活性劑,多元醇例如甘油,pH控制化合物例如脂肪酸、檸檬酸、乙酸和/或甲酸,和/或一價陽離子和有機陰離子的鹽,其中該一價陽離子可以是例如Na+、K+或NH4+並且該有機陰離子可以是例如甲酸鹽、乙酸鹽、檸檬酸鹽或乳酸鹽,這樣使得一價陽離子和有機陰離子的鹽可以是例如甲酸鈉。洗衣皂條還可以包括絡合劑像EDTA和HEDP,香料和/或不同類型的填充劑,表面活性劑例如陰離子型合成表面活性劑,助洗劑,聚合的汙物釋放劑,洗滌劑螯合劑,穩定劑,填充劑,染料,著色劑,染料轉移抑制劑,烷氧基化的聚碳酸酯,抑泡劑,結構劑,粘合劑,浸出劑,漂白活化劑,粘土去汙劑,抗再沉積劑,聚合分散劑,增白劑,織物柔軟劑,香料和/或本領域已知的其他化合物。洗衣皂條可以在常規的洗衣皂條製造設備中進行加工,例如但不限制於:混合器、壓條機例如雙級真空壓條機、擠出機、切割機、標識壓模機(logo-stamper)、冷卻隧道以及包裝機。本發明不局限於通過任何單一方法製備洗衣皂條。可以在過程的不同階段向肥皂中添加本發明的預混料。例如,可以製備包含肥皂、酶、任選地一種或多種另外的酶、蛋白酶抑制劑以及一價陽離子和有機陰離子的鹽的預混料並且然後將該混合物壓條。可以同時添加作為例如處於液態的蛋白酶抑制劑的酶以及任選的另外的酶。除了混合步驟和壓條步驟以外,該工藝還可以進一步包括研磨、擠出、切割、壓模、冷卻和/或包裝的步驟。顆粒洗滌劑配製品如描述於WO09/092699、EP1705241、EP1382668、WO07/001262、US6472364、WO04/074419或WO09/102854中的,可以配製顆粒洗滌劑。其他有用的洗滌劑配製品描述於WO09/124162、WO09/124163、WO09/117340、WO09/117341、WO09/117342、WO09/072069、WO09/063355、WO09/132870、WO09/121757、WO09/112296、WO09/112298、WO09/103822、WO09/087033、WO09/050026、WO09/047125、WO09/047126、WO09/047127、WO09/047128、WO09/021784、WO09/010375、WO09/000605、WO09/122125、WO09/095645、WO09/040544、WO09/040545、WO09/024780、WO09/004295、WO09/004294、WO09/121725、WO09/115391、WO09/115392、WO09/074398、WO09/074403、WO09/068501、WO09/065770、WO09/021813、WO09/030632和WO09/015951、WO2011025615、WO2011016958、WO2011005803、WO2011005623、WO2011005730、WO2011005844、WO2011005904、WO2011005630、WO2011005830、WO2011005912、WO2011005905、WO2011005910、WO2011005813、WO2010135238、WO2010120863、WO2010108002、WO2010111365、WO2010108000、WO2010107635、WO2010090915、WO2010033976、WO2010033746、WO2010033747、WO2010033897、WO2010033979、WO2010030540、WO2010030541、WO2010030539、WO2010024467、WO2010024469、WO2010024470、WO2010025161、WO2010014395、WO2010044905、WO2010145887、WO2010142503、WO2010122051、WO2010102861、WO2010099997、WO2010084039、WO2010076292、WO2010069742、WO2010069718、WO2010069957、WO2010057784、WO2010054986、WO2010018043、WO2010003783、WO2010003792、WO2011023716、WO2010142539、WO2010118959、WO2010115813、WO2010105942、WO2010105961、WO2010105962、WO2010094356、WO2010084203、WO2010078979、WO2010072456、WO2010069905、WO2010076165、WO2010072603、WO2010066486、WO2010066631、WO2010066632、WO2010063689、WO2010060821、WO2010049187、WO2010031607、WO2010000636中。產生組合物的方法本發明還涉及產生組合物的方法。該方法可以與洗滌劑組合物的(存儲)穩定性相關:例如,肥皂條預混方法WO2009155557。用途本發明針對用於使用α-澱粉酶變體或其組合物在清潔過程例如衣物洗滌或包括自動化餐具洗滌的硬表面清潔中的方法。對於清潔而言重要的汙物和汙漬由許多不同物質構成,並且已經開發全都具有不同底物特異性的一系列不同的酶用於在涉及衣物和硬表面清潔(例如餐具洗滌)兩者中使用。這些酶被認為提供酶洗滌益處,因為與不具有酶的同一過程相比,它們在其應用的清潔過程中特異性地改進汙漬去除。本領域已知的去汙酶包括以下酶,例如蛋白酶、澱粉酶、脂肪酶、角質酶、纖維素酶、內切葡聚糖酶、木葡聚糖酶、果膠酶、果膠裂解酶、黃原膠酶、過氧化物酶、滷代過氧酶、過氧化氫酶以及甘露聚糖酶。在一個方面中,本發明涉及本發明的α-澱粉酶變體在洗滌劑組合物中用於在清潔硬表面中使用(例如餐具洗滌),或在洗衣中或用於去汙的用途。本發明的另一個方面是在洗滌劑組合物中和在洗滌劑應用中使用包括本發明的α-澱粉酶連同一種或多種表面活性劑以及任選地一種或多種選自以下清單的洗滌劑組分的洗滌劑組合物,該清單包括助水溶劑、助洗劑和共助洗劑、漂白系統、聚合物、織物調色劑和輔料或其任何混合物。一個另外的方面是在洗滌劑組合物或洗滌劑應用中使用包括本發明的α-澱粉酶連同一種或多種表面活性劑以及一種或多種選自下組的另外的酶的洗滌劑組合物,該組包括蛋白酶、脂肪酶、角質酶、纖維素酶、內切葡聚糖酶、木葡聚糖酶、果膠酶、果膠裂解酶、黃原膠酶、過氧化物酶、滷代過氧酶、過氧化氫酶以及甘露聚糖酶或其任何混合物。在另一個方面,本發明涉及洗衣方法,該方法可用於家用洗衣以及工業洗衣。此外,本發明涉及用於洗滌紡織品(例如織物、服裝(garment)、衣服(cloth)等)的方法,其中該方法包括用洗滌溶液處理該紡織品,該洗滌溶液包含洗滌劑組合物以及本發明的α-澱粉酶。例如可以使用家用或工業洗衣機進行洗衣或可以使用洗滌劑組合物手動地進行洗衣,該洗滌劑組合物包含本發明的α-澱粉酶變體。在另一個方面,本發明涉及餐具洗滌方法,該方法可用於家用餐具洗滌以及工業餐具洗滌。此外,本發明涉及用於洗滌硬表面(例如,用餐工具,如刀、叉、匙;陶器,如盤子、玻璃杯、碗;以及平底鍋)的方法,其中該方法包括用洗滌溶液處理該硬表面,該洗滌溶液包含洗滌劑組合物和本發明的變體。可以例如使用家用或工業洗碗機洗滌硬表面或使用洗滌劑組合物手動地洗滌硬表面,該洗滌劑組合物包含本發明的α-澱粉酶、任選地連同一種或多種選自下組的另外的酶,該組包括:蛋白酶、澱粉酶、脂肪酶、角質酶、纖維素酶、內切葡聚糖酶、木葡聚糖酶、果膠酶、果膠裂解酶、黃原膠酶、過氧化物酶、滷代過氧酶、過氧化氫酶、甘露聚糖酶、或其任何混合物。在又一方面,本發明涉及用於從表面去除汙漬的方法,該方法包括使該表面與在洗滌劑組合物中和在洗滌劑應用中的包括本發明的α-澱粉酶連同一種或多種表面活性劑以及任選地一種或多種選自以下清單的洗滌劑組分的組合物接觸,該清單包括助水溶劑、助洗劑和共助洗劑、漂白系統、聚合物、織物調色劑和輔料或其任何混合物。一個另外的方面是一種用於從表面去除汙漬的方法,該方法包括使該表面與在洗滌劑組合物中和在洗滌劑應用中包括本發明的α-澱粉酶變體連同一種或多種表面活性劑、一種或多種選自下組的另外的酶的組合物接觸,該組包括蛋白酶、脂肪酶、角質酶、纖維素酶、內切葡聚糖酶、木葡聚糖酶、果膠酶、果膠裂解酶、黃原膠酶、過氧化物酶、滷代過氧酶、過氧化氫酶、甘露聚糖酶或其任何混合物。實例澱粉酶表達:本發明的α-澱粉酶變體可以通過文獻中熟知的方法進行表達,這些方法典型地包括將編碼澱粉酶的基因轉化到芽孢桿菌屬菌株(如枯草芽孢桿菌)中並使該生物體在搖瓶中生長。詳情描述於以下。菌株:例如,枯草芽孢桿菌或地衣芽孢桿菌,這些菌株在質粒上的或整合在芽孢桿菌屬染色體上(例如在Pel或Amy基因座中)的表達盒中攜帶澱粉酶。澱粉酶表達:將包含本發明的α-澱粉酶變體基因的芽孢桿菌屬生物體接種在含有氯黴素(8μg/ml)的LB肉湯中並在37℃下生長過夜。針對α-澱粉酶的表達,將1%-2%的過夜培養物加入到1000ml帶擋板的燒瓶中的300ml的GBT-16培養基中,並在37℃下生長72h。培養基:GBT-16將pH調節至pH7並將培養基進行高壓殺菌。就在接種前分開高壓殺菌並且添加實例1:變體的構建使用由在Pel基因座處含有LASB0000(SEQIDNO:6)基因或SEQIDNO:3的基因的菌株製備的基因組DNA作為用於產生定點突變體的模板。使用誘變正向引物和PnMi4490(CAATCCAAGAGAACCCTGATACGGATG-SEQIDNO:17)反向引物產生約3.8kb片段。該片段與PnMi4491(CGGAACGCCTGGCTGACAACACG-SEQIDNO:18)正向引物一起用作大引物,得到6kb插入盒。為了通過轉化時的雙交換實現在Pel基因座中的整合,連同LASB0000(SEQIDNO:6)和cat基因,該盒在末端包含上遊和下遊Pel序列。為了組合在線性胺基酸序列(例如,變體1:G50A+A51T+R172D+N195F+I206Y,和變體2:N195F+I206Y+E345D+E346P+D476G)中良好分離的突變,進行通過重疊延伸的拼接(SOE)PCR。使用內部引物(Assemb19:TGGGGTGTTTGGTACACAAACAC正向(SEQIDNO:19)和Assemb20:CCAATCGCGCGTAAAGCTATAC反向(SEQIDNO:20))分別與PnMi4490或PnMi4491產生針對SOEPCR的兩個重疊的DNA片段。例如,PnMi4491和Assemb20用於變體1,而Assemb19和PnMi4490用於變體2。在含有氯黴素的LB瓊脂上進行選擇,並且通過澱粉酶基因的DNA測序確認突變。在三聯啟動子系統(如WO99/43835中所述)下表達澱粉酶基因,該三聯啟動子系統由來自地衣芽孢桿菌α-澱粉酶基因(amyL)、解澱粉芽孢桿菌α-澱粉酶基因(amyQ)、和蘇雲金芽孢桿菌cryIIIA啟動子(包括控制澱粉酶表達的穩定化序列)的啟動子組成;以及用以指導到細胞外的輸出的地衣芽孢桿菌澱粉酶信號的信號序列。澱粉酶的純化:將該發酵液在13131g下離心25分鐘,以去除細胞塊,並且然後使用0.7微米的玻璃濾器GF-F(沃特曼(Whatman))使用tarsons過濾組件進行過濾。通過兩步方案進行澱粉酶的純化,即疏水相互作用層析(HIC),然後是凝膠過濾。將含有1M硫酸銨的肉湯加載到20ml含有來自伯樂公司(Biorad)的甲基HIC支持物的柱上,該柱用平衡緩衝液(含有1M硫酸銨、1mM氯化鈣的50mMHEPESpH8)進行預平衡。加載該肉湯後,用洗滌緩衝液(含有0.85M硫酸銨、1mM氯化鈣的50mMHEPESpH8)洗滌柱子,並且用洗脫緩衝液(50mMHEPESpH8,1mM氯化鈣)進行洗脫。合併含有澱粉酶蛋白質的級分,並傳遞到用含有50mMHEPESpH8和1mM氯化鈣的緩衝液預平衡的SephadexG25(西格瑪(Sigma))柱(200ml柱體積)上。實例2-α-澱粉酶活性的測定PNP-G7測定可以通過使用G7-pNP底物的方法確定α-澱粉酶活性。縮寫為4,6-亞乙基(G7)-對硝基苯基(G1)-α,D-麥芽庚糖苷的G7-pNP是一種可以由內切澱粉酶如α-澱粉酶切割的嵌段寡糖。切割之後,試劑盒中所包括的α-葡糖苷酶進一步消化水解底物以釋放自由PNP分子,該分子具有黃顏色並且因而可通過可見分光光度法在λ=405nm(400-420nm)處測量。含有G7-pNP底物和α-葡糖苷酶的試劑盒由羅氏/日立公司(Roche/Hitachi)製造(目錄號11876473)。試劑:來自這個試劑盒的G7-pNP底物含有22mM4,6-亞乙基-G7-pNP和52.4mMHEPES(2-[4-(2-羥乙基)-1-哌嗪基]-乙磺酸),pH7.0。α-葡糖苷酶試劑含有52.4mMHEPES、87mMNaCl、12.6mMMgCl2、0.075mMCaCl2、>4kU/L的α-葡糖苷酶。通過將1mLα-葡糖苷酶試劑與0.2mLG7-pNP底物混合,產生底物工作溶液。此底物工作溶液在使用之前立即製成。稀釋緩衝液:50mMMOPS,0.05%(w/v)TritonX100(聚乙二醇對-(1,1,3,3-四甲基丁基)-苯基醚(C14H22O(C2H4O)n(n=9-10))),1mMCaCl2,pH8.0。程序:將有待分析的澱粉酶樣品稀釋於稀釋緩衝液中以確保稀釋樣品中的pH是7。通過將20μl稀釋酶樣品轉移至96孔微量滴定板並且添加80μl底物工作溶液來執行測定。將溶液混合併且在室溫下預孵育1分鐘並且在OD405nm下在5分鐘內每20秒測量吸收。在一組給定條件下,時間相關吸收曲線的斜率(每分鐘的吸光度)與所討論的α-澱粉酶的比活性(活性/mg酶)成正比例。澱粉酶樣品應稀釋至其中斜率低於0.4吸光度單位/分鐘的水平。Phadebas活性測定:α-澱粉酶活性還可通過使用Phadebas底物(例如來自麥戈爾生命科學(MagleLifeSciences),隆德(Lund),瑞典(Sweden))的方法來確定。Phadebas片劑包括互聯澱粉聚合物,這些聚合物呈不溶於水的球狀微球形式。將一種藍色染料共價結合至這些微球。微球中的互聯澱粉聚合物以與α-澱粉酶活性成比例的速度降解。當α-澱粉酶降解了澱粉聚合物時,釋放的藍色染料是可溶於水的並且染料濃度可通過在620nm下測量吸光度來確定。藍色的濃度與樣品中的α-澱粉酶活性成比例。將有待分析的澱粉酶樣品稀釋於具有所需pH的活性緩衝液中。將一個底物片劑懸浮於5mL活性緩衝液中並且在磁力攪拌器上混合。在混合底物期間,將150μl轉移至微量滴定板(MTP)或PCR-MTP。將30μl稀釋澱粉酶樣品添加至150μl底物並且混合。37℃下孵育15分鐘。通過添加30μl1MNaOH並且混合來停止反應。在4000xg下離心MTP5分鐘。將100μl轉移至新MTP並且測量620nm下的吸光度。澱粉酶樣品應稀釋成使得620nm下的吸光度在0與2.2之間,並且在活性測定的線性範圍內。還原糖活性測定:α-澱粉酶活性還可以通過使用例如玉米澱粉底物的還原糖測定來確定。通過與p-羥基苯甲酸醯肼(PHBAH)反應來確定用α-澱粉酶水解澱粉中的α-1,4-糖苷鍵所形成的多個還原端。與PHBAH反應之後,可通過405nm下的吸光度來測量還原端的數量並且還原端的濃度與樣品中的α-澱粉酶活性成比例。使玉米澱粉底物(3mg/mL)在milliQ水中蒸煮5分鐘來溶解並且在測定之前冷卻。關於終止液,製備Ka-Na-酒石酸鹽/NaOH溶液(K-Na-酒石酸鹽(默克(Merck)8087)50g/l,NaOH20g/l)並且通過將對-羥基苯甲酸醯肼(PHBAH,西格瑪(Sigma)H9882)添加至Ka-Na-酒石酸鹽/NaOH溶液至15mg/mL來新鮮製備終止液。在PCR-MTP中,將50μl活性緩衝液與50μl底物混合。添加50μl稀釋酶並且混合。在PCR機器中在所需溫度孵育5分鐘。通過添加75μl終止液(Ka-Na-酒石酸鹽/NaOH/PHBAH)來停止反應。在PCR機器中在95℃孵育10分鐘。將150μl轉移至新MTP並且測量405nm下的吸光度。澱粉酶樣品應稀釋成使得405nm下的吸光度在0與2.2之間,並且在活性測定的線性範圍內。測定:為了確定殘餘澱粉酶活性,可以使用Ultra澱粉酶測定試劑盒(E33651,英傑公司(Invitrogen),拉霍亞(LaJolla),加州(CA),美國(USA))。底物是玉米澱粉衍生物,DQTM澱粉,它是用FL染料標記以使得螢光被淬滅的玉米澱粉。含有大約1mg凍幹底物的一個小瓶溶解於100微升50mM乙酸鈉(pH4.0)中。將小瓶渦旋20秒並且在室溫下、黑暗中保持,並偶爾混合直到溶解為止。然後添加900微升100mM乙酸鹽、0.01%(w/v)X100、0.125mMCaCl2,pH5.5,充分渦旋並且在室溫下、黑暗中儲存直到準備使用為止。通過以10倍稀釋於殘餘活性緩衝液(100mM乙酸鹽、0.01%(w/v)X100、0.125mMCaCl2,pH5.5)中來製備儲備底物工作溶液。孵育之後立即將酶在100mM乙酸鹽、0.01%(W/v)X100、0.125mMCaCl2,pH5.5中稀釋至10-20ng酶蛋白/ml的濃度。為了測定,在黑色384孔微量滴定板中,將25微升底物工作溶液與25微升稀釋酶混合10秒。在每個孔中在25℃於15分鐘內每分鐘測量螢光強度(激發:485nm,發射:555nm)並且將Vmax計算作為螢光強度相對於時間的曲線的斜率。曲線應是線性的,並且調整了殘餘活性測定以使得稀釋的參照酶溶液在活性測定的線性範圍內。參照α-澱粉酶該參照α-澱粉酶可以是SEQIDNO:2的澱粉酶。如果沒有另外說明,則使用pNP-G7測定用於確定這些變體的α澱粉酶活性。實例3-使用自動機械應力測定的α-澱粉酶的洗滌性能(AMSA)為了評定α-澱粉酶在洗滌劑基礎組合物中的洗滌性能,可以使用自動機械應力測定(AMSA)進行洗滌實驗。使用AMSA測試,可以檢査大量小體積酶洗滌劑溶液的洗滌性能。AMSA板具有許多用於測試溶液的縫和蓋子,蓋子將待洗滌的紡織品小塊布樣對所有縫開口強力擠壓。在洗滌時間期間,板、測試溶液、紡織品和蓋子劇烈振動從而使測試溶液與紡織品接觸並以規則、周期性擺動方式施加機械應力。關於進一步描述,參見WO02/42740,尤其是第23-24頁的「具體方法實施例」段落。洗滌性能總體描述製備測試溶液,該測試溶液包含水(6°dH)、0.79g/l洗滌劑(例如,如下文描述的標準洗滌劑J)和處於濃度0或0.05mg或0.2mg酶蛋白/L的本發明的酶。添加帶有澱粉汙漬的織物(來自測試材料中心BV的CS-28,郵箱120,3133KT,弗拉爾丁恩,荷蘭)並且將它們在15℃和30℃洗滌20分鐘,或可替代地在15℃和40℃洗滌20分鐘,如在實例中詳細說明的那樣。在流動自來水下徹底漂洗並且在黑暗中乾燥之後,隨後測量帶有汙漬的織物的光強度值作為洗滌性能的量度。具有0mg酶蛋白/L的測試用作空白並且對應於來自洗滌劑的貢獻。優選地,在洗滌步驟期間施加機械作用,例如以將洗滌溶液與織物一起振搖、轉動或攪拌的形式施加。AMSA洗滌性能實驗可以在以下詳細說明的實驗條件下實施:表A:實驗條件表B:標準洗滌劑J通過向測試系統添加CaCl2、MgCl2和NaHCO3(Ca2+:Mg2+:HCO3-=2:1:4.5),將水硬度調節至6°dH。在洗滌之後,將紡織品用自來水衝洗並乾燥。表C:實驗條件表D:標準洗滌劑A化合物化合物的含量(%w/w)活性組分%(%w/w)LAS12.0011.60AEOS,SLES17.634.90大豆脂肪酸2.752.48可可脂肪酸2.752.80AEO11.0011.00氫氧化鈉1.751.80乙醇/丙-2-醇3.002.70/0.30MPG6.006.00丙三醇1.711.70TEA3.333.30甲酸鈉1.001.00檸檬酸鈉2.002.00DTMPA0.480.20PCA0.460.18苯氧基乙醇0.500.50H2O,離子交換33.6433.64將水硬度調節至15°dH,通過添加CaCl2、MgCl2和NAHCO3(Ca2+:Mg2+:HCO3-=4:1:7.5)至測試系統中。在洗滌之後,將紡織品用自來水沖洗並乾燥。洗滌性能可以被測量為亮度,表達為當用白光照亮時從樣品反射的光的強度。當樣品受到汙染時,反射光的強度低於乾淨樣品的反射光的強度。因此,反射光的強度可以用於測量洗滌性能。使用專業平板掃描儀(EPSONExpression10000XL,EPSON)進行顏色測量,該掃描儀用於捕獲所洗滌紡織品的圖像。為了從掃描圖像中提取光強度的值,將來自圖像的48→24位彩色像素值轉化為紅色、綠色和藍色(RGB)的值。通過將RGB值作為向量相加在一起並然後考慮所得向量的長度可以計算強度值(Int):紡織品:紡織品樣品CS-28(棉花上的大米澱粉)獲得自試驗材料BV中心,郵箱120,3133KT,弗拉爾丁恩,荷蘭。表E:變體的洗滌性能表F:變體的洗滌性能序列表諾維信公司α-澱粉酶變體以及對其進行編碼的多核苷酸12909-WO-PCT20PatentIn3.5版本1485PRT人工序列合成構建體1HisHisAsnGlyThrAsnGlyThrMetMetGlnTyrPheGluTrpTyr151015LeuProAsnAspGlyAsnHisTrpAsnArgLeuAsnSerAspAlaSer202530AsnLeuLysSerLysGlyIleThrAlaValTrpIleProProAlaTrp354045LysGlyAlaSerGlnAsnAspValGlyTyrGlyAlaTyrAspLeuTyr505560AspLeuGlyGluPheAsnGlnLysGlyThrValArgThrLysTyrGly65707580ThrArgSerGlnLeuGlnAlaAlaValThrSerLeuLysAsnAsnGly859095IleGlnValTyrGlyAspValValMetAsnHisLysGlyGlyAlaAsp100105110AlaThrGluMetValArgAlaValGluValAsnProAsnAsnArgAsn115120125GlnGluValThrGlyGluTyrThrIleGluAlaTrpThrArgPheAsp130135140PheProGlyArgGlyAsnThrHisSerSerPheLysTrpArgTrpTyr145150155160HisPheAspGlyValAspTrpAspGlnSerArgArgLeuAsnAsnArg165170175IleTyrLysPheArgGlyHisGlyLysAlaTrpAspTrpGluValAsp180185190ThrGluPheGlyAsnTyrAspTyrLeuMetTyrAlaAspTyrAspMet195200205AspHisProGluValValAsnGluLeuArgAsnTrpGlyValTrpTyr210215220ThrAsnThrLeuGlyLeuAspGlyPheArgIleAspAlaValLysHis225230235240IleLysTyrSerPheThrArgAspTrpIleAsnHisValArgSerAla245250255ThrGlyLysAsnMetPheAlaValAlaGluPheTrpLysAsnAspLeu260265270GlyAlaIleGluAsnTyrLeuGlnLysThrAsnTrpAsnHisSerVal275280285PheAspValProLeuHisTyrAsnLeuTyrAsnAlaSerLysSerGly290295300GlyAsnTyrAspMetArgAsnIlePheAsnGlyThrValValGlnArg305310315320HisProSerHisAlaValThrPheValAspAsnHisAspSerGlnPro325330335GluGluAlaLeuGluSerPheValGluGluTrpPheLysProLeuAla340345350TyrAlaLeuThrLeuThrArgGluGlnGlyTyrProSerValPheTyr355360365GlyAspTyrTyrGlyIleProThrHisGlyValProAlaMetArgSer370375380LysIleAspProIleLeuGluAlaArgGlnLysTyrAlaTyrGlyPro385390395400GlnHisAspTyrLeuAspHisProAspValIleGlyTrpThrArgGlu405410415GlyAspSerSerHisProLysSerGlyLeuAlaThrLeuIleThrAsp420425430GlyProGlyGlySerLysArgMetTyrAlaGlyLeuLysAsnAlaGly435440445GluThrTrpTyrAspIleThrGlyAsnArgSerAspThrValLysIle450455460GlySerAspGlyTrpGlyGluPheHisValAsnAspGlySerValSer465470475480IleTyrValGlnLys4852483PRT人工序列合成構建體2HisHisAsnGlyThrAsnGlyThrMetMetGlnTyrPheGluTrpTyr151015LeuProAsnAspGlyAsnHisTrpAsnArgLeuAsnSerAspAlaSer202530AsnLeuLysSerLysGlyIleThrAlaValTrpIleProProAlaTrp354045LysGlyAlaSerGlnAsnAspValGlyTyrGlyAlaTyrAspLeuTyr505560AspLeuGlyGluPheAsnGlnLysGlyThrValArgThrLysTyrGly65707580ThrArgSerGlnLeuGlnAlaAlaValThrSerLeuLysAsnAsnGly859095IleGlnValTyrGlyAspValValMetAsnHisLysGlyGlyAlaAsp100105110AlaThrGluMetValArgAlaValGluValAsnProAsnAsnArgAsn115120125GlnGluValThrGlyGluTyrThrIleGluAlaTrpThrArgPheAsp130135140PheProGlyArgGlyAsnThrHisSerSerPheLysTrpArgTrpTyr145150155160HisPheAspGlyValAspTrpAspGlnSerArgArgLeuAsnAsnArg165170175IleTyrLysPheArgGlyLysAlaTrpAspTrpGluValAspThrGlu180185190PheGlyAsnTyrAspTyrLeuMetTyrAlaAspTyrAspMetAspHis195200205ProGluValValAsnGluLeuArgAsnTrpGlyValTrpTyrThrAsn210215220ThrLeuGlyLeuAspGlyPheArgIleAspAlaValLysHisIleLys225230235240TyrSerPheThrArgAspTrpIleAsnHisValArgSerAlaThrGly245250255LysAsnMetPheAlaValAlaGluPheTrpLysAsnAspLeuGlyAla260265270IleGluAsnTyrLeuGlnLysThrAsnTrpAsnHisSerValPheAsp275280285ValProLeuHisTyrAsnLeuTyrAsnAlaSerLysSerGlyGlyAsn290295300TyrAspMetArgAsnIlePheAsnGlyThrValValGlnArgHisPro305310315320SerHisAlaValThrPheValAspAsnHisAspSerGlnProGluGlu325330335AlaLeuGluSerPheValGluGluTrpPheLysProLeuAlaTyrAla340345350LeuThrLeuThrArgGluGlnGlyTyrProSerValPheTyrGlyAsp355360365TyrTyrGlyIleProThrHisGlyValProAlaMetArgSerLysIle370375380AspProIleLeuGluAlaArgGlnLysTyrAlaTyrGlyProGlnHis385390395400AspTyrLeuAspHisProAspValIleGlyTrpThrArgGluGlyAsp405410415SerSerHisProLysSerGlyLeuAlaThrLeuIleThrAspGlyPro420425430GlyGlySerLysArgMetTyrAlaGlyLeuLysAsnAlaGlyGluThr435440445TrpTyrAspIleThrGlyAsnArgSerAspThrValLysIleGlySer450455460AspGlyTrpGlyGluPheHisValAsnAspGlySerValSerIleTyr465470475480ValGlnLys31449DNA人工序列合成序列3catcataacggtacgaacgggacaatgatgcaatactttgaatggtatctacctaatgac60ggaaatcattggaatcgattaaactctgatgcgagtaaccttaaaagcaaagggattaca120gcggtgtggattcctccagcatggaagggcgcttctcaaaatgacgtaggatacggagcc180tatgacctgtatgatctgggagaatttaatcaaaaaggtaccgtccgtacaaaatatgga240acacgtagtcagttacaagctgcggtaacctccttaaaaaataatggaattcaagtatat300ggtgacgttgttatgaatcacaaaggtggcgcagacgctactgaaatggtaagggccgtt360gaagtgaatcccaataaccgtaaccaagaagtgactggtgaatataccattgaagcttgg420actagatttgattttccagggcgaggaaatactcattctagcttta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