发明授权
US07256027B1 Enzymes for the production of 2-keto-L-gulonic acid 失效
用于生产2-酮-L-古洛糖酸的酶

Enzymes for the production of 2-keto-L-gulonic acid
摘要:
Mutants of 2,5-diketo-D-gluconic acid reductase A, an enzyme used to produce 2-keto-L-gulonic acid, a precursor of ascorbic acid (vitamin C) are prepared by site-directed mutagenesis. These mutants have increased catalytic activity, increased expression levels, and/or enhanced temperature stability.
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