Article
[Increasing of product specificity of gamma-cyclodextrin by mutating the active domain of alpha-cyclodextrin glucanotransferase from Paenibacillus macerans sp. 602-1].
Sheng wu gong cheng xue bao = Chinese journal of biotechnology - 1 Sept 2013
Xie Ting, Yue Yang, Song Binghong, Chao Yapeng, Qian Shijun
Abstract excerpt
We studied the mutation effect of subsites -3(Lys47), -7(146-152), and cyclization center (Tyr195) in active domain on product specificity of alpha-cyclodextrin glucanotransferase (alpha-CGTase) from Paenibacillus macerans sp. 602-1. The Lys47 was replaced by Thr47 and Tyr195 by Ile195, and the amino acids from 146 to 152 were replaced by Ile (named as delta6). All these mutant alpha-CGTases were actively...
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