[发明专利]酮还原酶突变体及生产手性醇的方法有效
| 申请号： | 201910511895.8 | 申请日： | 2019-06-13 |
| 公开（公告）号： | CN110257351B | 公开（公告）日： | 2021-04-27 |
| 发明（设计）人： | 洪浩;詹姆斯·盖吉;肖毅;张娜;焦学成;张克俭;杨益明 | 申请（专利权）人： | 凯莱英医药集团(天津)股份有限公司 |
| 主分类号： | C12N9/04 | 分类号： | C12N9/04;C12N15/53;C12N15/70;C12P7/22 |
| 代理公司： | 北京康信知识产权代理有限责任公司 11240 | 代理人： | 韩建伟 |
| 地址： | 300457 天津市*** | 国省代码： | 天津;12 |
| 权利要求书： | 查看更多 | 说明书： | 查看更多 |
| 摘要： | |||
| 搜索关键词： | 还原酶 突变体 生产 手性 方法 | ||
1.一种酮还原酶突变体，其特征在于，所述酮还原酶突变体是在SEQ ID NO: 1基础上发生突变得到的，所述突变包括E144A+L152F或E144A+L152Y。
2.根据权利要求1所述的酮还原酶突变体，其特征在于，所述突变包括如下任一种位点组合突变：E144A+L152F+A94E+S96M、E144A+L152F+A94S+S96Q、E144A+L152F+A94V、E144A+L152F+A94Y+S96E、E144A+L152F+A94S+S96N、E144A+L152F+A94S+S96R、E144A+L152F+A94A+S96E、E144A+L152F+A94Y+S96K、E144A+L152F+A94R+S96K、E144A+L152F+A94S+S96A、E144A+L152F+A94V+S96Q、E144A+L152F+A94A+S96G、E144A+L152F+A94S+S96T、E144A+L152F+S96E、E144A+L152F+A94Y+S96L、E144A+L152F+S96D、E144A+L152F+A94E+S96A、E144A+L152F+A94T+S96Y、E144A+L152F+A94S、E144A+L152F+A94E+S96C、E144A+L152F+L198V、E144A+L152F+L198V+E201C、E144A+L152F+L198I+E201I、E144A+L152F+L198V+E201A、E144A+L152F+L198V+E201N、E144A+L152F+L198V+E201L、E144A+L152F+L198Q+E201G、E144A+L152F+L198V+E201S、E144A+L152F+L198H+E201G、E144A+L152F+L198I+E201V、E144A+L152F+L198V+E201G、E144A+L152F+L198Y+E201L、E144A+L152F+L198V+E201F、E144A+L152F+L198S+E201Y、E144A+L152F+G6S、E144A+L152F+R108H、E144A+L152F+G117S、E144A+L152F+I223V、E144A+L152F+G6S+R108H、E144A+L152F+G117S+G6S、E144A+L152F+G117S+I223V、E144A+L152F+I223V+G6S、E144A+L152F+I223V+R108H、E144A+L152F+R108H+G117S、E144A+L152F+G117S+G6S、E144A+L152F+G117S+I223V+G6S、E144A+L152F+G117S+I223V+R108H、E144A+L152F+L198Q+E201G+G6S、E144A+F152Y+G6S、E144A+L152Y+L198Q+E201G、E144A+L152Y+L198Q+E201G+G6S、E144A+L152Y+L198Q+E201G+G6S+L146V+I147A、E144A+L152Y+L198Q+E201G+G6S+L146Q+I147R、E144A+L152Y+L198Q+E201G+G6S+L146V+I147T、E144A+L152Y+L198Q+E201G+G6S+L146C+I147V、E144A+L152Y+L198Q+E201G+G6S+L146G+I147V、E144A+L152Y+L198Q+E201G+G6S+L146H+I147T、E144A+L152Y+L198Q+E201G+G6S+L146N+I147T、E144A+L152Y+L198Q+E201G+G6S+L146Q+I147V、E144A+L152Y+L198Q+E201G+G6S+L146T+I147V、E144A+L152Y+L198Q+E201G+G6S+L146D+I147V、E144A+L152Y+L198Q+E201G+G6S+L146W+I147V、E144A+L152Y+L198Q+E201G+G6S+L146W+I147C、E144A+L152Y+L198Q+E201G+G6S+L146M+I147A、E144A+L152Y+L198Q+E201G+G6S+L146M+I147S、E144A+L152Y+L198Q+E201G+G6S+L146S+I147V、E144A+L152Y+L198Q+E201G+G6S+L146I+I147A、E144A+L152Y+L198Q+E201G+G6S+L146I+I147D、E144A+L152Y+L198Q+E201G+G6S+L146A+I147V、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D149I、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+M151R、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+K200R、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+Q76L、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+G177D、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+S96N+I113F、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+N156S+K237E、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+F165Y+K200H、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+S96N+N156S、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+K200H、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+K61E+N156S、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+A21V+A58T+S96N、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+G177D+A203V、E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+A87V、及E144A+L152Y+L198Q+E201G+G6S+L146M+I147V+D42E+T199V+M146K+Y230F。
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