Article
Engineering a xylanase from Streptomyce rochei L10904 by mutation to improve its catalytic characteristics.
International journal of biological macromolecules - 1 Aug 2017
Li Qin, Sun Baoguo, Jia Huiyong, Hou Jie, Yang Ran, Xiong Ke, Xu Youqiang, Li Xiuting
Abstract excerpt
Protein engineering was performed by N-terminal region replacement and site-directed mutagenesis in the cord of a xylanase (Srxyn) from Streptomyce rochei L10904 to improve its catalytic characteristics. Three mutants SrxynF, SrxynM and SrxynFM displayed 2.1-fold, 3.2-fold and 5.3-fold higher specific activities than that of Srxyn, respectively. Moreover, all of the mutants showed greater substrate affinity and...
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