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申请/专利权人：诺维信公司

摘要：本发明涉及亲本α‑淀粉酶的变体，当与亲本α‑淀粉酶相比时，该亲本α‑淀粉酶的变体具有改进的洗涤性能。本发明还涉及编码所述变体的多核苷酸，包含所述多核苷酸的核酸构建体、载体和宿主细胞，以及产生本发明的变体的方法。

主权项：1.SEQIDNO:2中所示的亲本α-淀粉酶的变体，其中i所述变体具有α-淀粉酶活性，并且ii所述变体包含来自使用SEQIDNO:1进行编号的以下突变组的突变：K320AG7A+K320AG7A+K320A+M323NG7A+W284H+K320A+M323NG7A+G109A+N280S+M323S+E391AH1*+G7A+G109A+N280S+E391AH1*+G7A+G109A+W284R+E391AH1*+G7A+G109A+N280S+K320A+M323N+E391AH1*+G7K+G109A+N280S+E391AH1*+G7E+G109A+N280S+E391AH1*+G7N+G109A+N280S+E391AH1*+G7Q+G109A+N280S+E391AH1*+G7L+G109A+N280S+E391AH1*+G7D+G109A+N280S+E391AH1*+G109A+N280S+E391AH1*+G109A+N280S+E391VH1*+G109S+N280S+E391AH1*+G109A+N280S+W284H+E391AH1*+G109A+N280S+W284F+E391AH1*+G109A+N280S+K320A+E391AH1*+G109A+N280S+K320A+M323S+E391AH1*+G109A+N280S+K320A+M323N+E391AH1*+G109A+N280S+K320M+E391AH1*+G109A+N280S+K320T+E391AH1*+G109A+N280S+K320V+E391AH1*+G109A+N280S+K320S+E391AH1*+G109A+N280S+M323S+E391AH1*+G109A+N280S+M323R+E391AH1*+G109A+N280S+M323N+E391AH1*+G109A+N280S+M323K+E391AH1*+G109A+W284R+E391AH1*+G109A+W284F+E391AH1*+G109A+W284H+E391A。

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