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摘要：本发明涉及包含α淀粉酶的变体的清洁组合物，和用包含此类组合物的含水的液体处理表面如织物的方法，尤其是在低的温度下。

主权项：1.一种清洁组合物，包含：a亲本α淀粉酶的变体，所述亲本α淀粉酶的氨基酸序列如SEQIDNO:7所示，其中所述变体由在对应于SEQIDNO:1的多肽的位置的选自下列的位置处的替换组成：W140Y+N195F+V206Y+Y243F+E260G+G477E,G109A+W140Y+N195F+V206Y+Y243F+E260G,W140Y+N195F+V206Y+Y243F+E260G,W140Y+N195F+V206Y+Y243F+E260G+G476E,W140Y+W189G+N195F+V206Y+Y243F+E260G,W140Y+N195F+V206Y+Y243F+E260G+S303G,W140Y+W189T+N195F+V206Y+Y243F+E260G,W140Y+N195F+V206Y+Y243F+E260G+W284D,Y100I+W140Y+N195F+V206Y+Y243F+E260G,W140Y+N195F+V206Y+Y243F+E260G+G337N,W140Y+N195F+V206Y+Y243F+E260G+W439RG109A+W140Y+E194D+N195F+V206Y+Y243F+E260GG109A+W140Y+N195F+V206Y+Y243F+E260G+G476ET51I+Y100I+G109A+W140Y+N195F+V206Y+Y243F+E260GT51I+G109A+W140Y+N195F+V206Y+Y243F+E260G+W439RT51I+S52Q+N54K+G109A+W140Y+N195F+V206Y+Y243F+E260G+G476EW140Y+N195F+V206Y+Y243F+E260G+G304R+G476KW140Y+N195F+V206Y+Y243F+E260G+W284R+G477KW140Y+N195F+V206Y+Y243F+E260G+W284F+G477R,和N195F+V206Y+Y243F+E260G+W284D，并且其中所述变体具有α淀粉酶活性并且具有与SEQIDNO:7的α淀粉酶相比改善的在5至35℃的温度下的洗涤性能；以及b清洁助剂，其量为0.01至99.9重量％。

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