Article
Alternative pathways for radical dissipation in an active site mutant of B12-dependent methylmalonyl-CoA mutase.
Biochemistry - 7 Mar 2006
Padovani Dominique, Banerjee Ruma
Abstract excerpt
Methylmalonyl-CoA mutase catalyzes the adenosylcobalamin-dependent rearrangement of (2R)-methylmalonyl-CoA to succinyl-CoA. The crystal structure of the enzyme reveals that Y243 is in van der Waals contact with the methyl group of the substrate and suggests a possible role for it in the stereochemical control of the reaction. This hypothesis was tested by designing a molecular hole by replacing the phenolic side...
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