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US 12,570,985 B2Granted
Xylanase mutant having improved specific activity
AssigneeQingdao Vland Biotech Group Co., Ltd.
InventorsXiuxiu Wu, Rongxi Song, Yijun Huang
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Abstract
Provided is a xylanase mutant having improved specific activity, comprising any one or more mutation sites of M78F, V143I, R148K, F163W, I177V, and V206L. The specific activity of the mutant is improved, the production cost of xylanase is reduced, and the mutant can be used in feed.
Claims9
A xylanase mutant, wherein the mutant comprises an amino acid sequence having at least 90% identity with SEQ ID NO:
- 1, and having an amino acid substitution of V143I and an amino acid substitution of I177V, compared with SEQ ID NO:
- 1.
Dependencies are inferred from the claim text.