Article
Identification of the zinc ligands in cobalamin-independent methionine synthase (MetE) from Escherichia coli.
Biochemistry - 30 Nov 1999
Zhou Z S, Peariso K, Penner-Hahn J E, Matthews R G
Abstract excerpt
Cobalamin-independent methionine synthase (MetE) from Escherichia coli catalyzes the transfer of a methyl group from methyltetrahydrofolate to homocysteine to form tetrahydrofolate and methionine. It contains 1 equiv of zinc that is essential for its catalytic activity. Extended X-ray absorption fine structure analysis of the zinc-binding site has suggested tetrahedral coordination with two sulfur (cysteine) and...
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