Article
Remarkable improvement of methylglyoxal synthase thermostability by His-His interaction.
Applied biochemistry and biotechnology - 1 Jan 2014
Mohammadi Malihe, Kashi Mona Atabakhshi, Zareian Shekufeh, Mirshahi Manoochehr, Khajeh Khosro
Abstract excerpt
Lately it has been proposed that interaction between two positively charged side chains can stabilize the folded state of proteins. To further explore this point, we studied the effect of histidine-histidine interactions on thermostability of methylglyoxal synthase from Thermus sp. GH5 (TMGS). The crystal structure of TMGS revealed that His23, Arg22, and Phe19 are in close distance and form a surface loop. Here,...
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