Engineering Protease-Resistant and Highly Active Phytases
文献类型: 外文期刊
第一作者: Niu, Canfang
作者: Niu, Canfang;Yang, Peilong;Yao, Bin
作者机构:
关键词: HAP phytase; Pepsin resistance; Trypsin resistance; Low PH; Optimizing the residual side chain; High activity
期刊名称:INOSITOL PHOSPHATES: METHODS AND PROTOCOLS
ISSN: 1064-3745
年卷期: 2020 年 2091 卷
页码:
收录情况: SCI
摘要: Phytases can catalyze the hydrolysis of indigestible phytate and releases the usable phosphorus. Protease resistance and high activity of enzymes facilitate their biotechnological and medical application. Here we described a genetic manipulation method to improve enzyme tolerance to pepsin, trypsin, and low pH by optimizing the residual side chain of trypsin- and pepsin-sensitive HAP phytase YeAPPA from Yersinia enterocolitica.
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