Article
Overexpression of synthesized cephalosporin C acylase containing mutations in the substrate transport tunnel.
Journal of bioscience and bioengineering - 1 Jan 2012
Wang Ying, Yu Huimin, Song Wensi, An Ming, Zhang Jing, Luo Hui, Shen Zhongyao
Abstract excerpt
Cephalosporin C (CPC) acylase converts CPC into 7-aminocephalosporanic acid (7-ACA) by single-step enzymatic catalysis. An optimized CPC acylase gene with substituted codons and a reduced GC content was artificially designed, synthesized and overexpressed in recombinant Escherichia coli. The synthetic CPC acylase (sCPCAcy) exhibited 2.3 times more CPC specific deacylation activity with substrate CPC than with...
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