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Crystal Structures of Streptomyces Coelicolor Methylmalonyl-CoA Epimerase with Substrate or Transition State Analog Contradicts a Simple General Acid-Base Catalytic Mechanism

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submitted on 13.04.2021, 04:06 and posted on 13.04.2021, 13:18 by Lee M Stunkard, Aaron B Benjamin, James Bower, Tyler Huth, Jeremy Lohman
Crystal structures of Streptomyces coelicolor methylmalonyl-CoA epimerase in the holo-form, with substrate or the putative transition state analog, 2-nitroproionyl-CoA. The proposed catalytic mechanism is general acid-base catalysis. The proposed catalytic residues are too far from the substrate or analog, unless conformational changes take place or some other mechanism is used.

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Email Address of Submitting Author

jlohman@purdue.edu

Institution

Purdue University

Country

United States

ORCID For Submitting Author

0000-0001-8199-2344

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No conflict of interest

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