Article
Mutational analysis of residues in human arsenic (III) methyltransferase (hAS3MT) belonging to 5 Å around S-adenosylmethionine (SAM).
Biochimie - 1 Dec 2014
Li Xiangli, Geng Zhirong, Chang Jiayin, Song Xiaoli, Wang Zhilin
Abstract excerpt
The functions of residues 57-RY-58, G60, L77, 80-GSGR-83, I101, T104, 134-GY-135, N155, V157 and 160-LV-161 in human arsenic (III) methyltransferase (hAS3MT) 5 Å around S-adenosylmethionine (SAM) have not been studied. Herein, sixteen mutants were designed by substituting these residues with Ala. Mutants G60A, G80A, I101A, N155A and L160A were completely inactive. Only MMA was detected when mutants R57A, Y58A,...
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