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17Beta-HYDROXYSTEROID DEHYDROGENASE MUTANTS AND APPLICATION THEREOF
17Beta-HYDROXYSTEROID DEHYDROGENASE MUTANTS AND APPLICATION THEREOF
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机译:17beta-羟类脱氢酶突变体及其应用
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摘要
The disclosure discloses 17β-hydroxysteroid dehydrogenase mutants and application thereof, and belongs to the technical field of biology. The disclosure provides 17β-hydroxysteroid dehydrogenase mutants V107A, T155N, H164Y and V107A/T155N/H164Y with high specific enzyme activities, and the specific enzyme activities of the 17β-hydroxysteroid dehydrogenase mutants V107A, T155N, H164Y and V107A/T155N/H164Y are as high as 1.85, 1.93, 2.06 and 5.15 U/mg, respectively, which are 1.11, 1.16, 1.24 and 3.10 times larger than that of wild-type 17β-hydroxysteroid dehydrogenase (1.66 U/mg).
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