Article
Exploration of a N-terminal disulfide bridge to improve the thermostability of a GH11 xylanase from Aspergillus niger.
The Journal of general and applied microbiology - 1 Jan 2016
Zhou Chen-Yan, Li Tong-Biao, Wang Yong-Tao, Zhu Xin-Shu, Kang Jing
Abstract excerpt
To improve the thermostability of xylanase XynZF-2 from Aspergillus niger XZ-3S, a disulfide bridge was introduced in the N-terminal domains by site-directed mutagenesis (V1C and E27C). Simultaneously, the active sites of XynZF-2 were predicted by bioinformatics software and verified by site-directed mutagenesis (E103D and E194D). The mutated active sites xynED- and the mutated disulfide bridge xynDC-encoding...
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