4R3U:
reference: Structural basis of the stereospecificity of bacterial B12-dependent 2-hydroxyisobutyryl-CoA mutase., Kurteva-Yaneva N, Zahn M, Weichler MT, Starke R, Harms H, Muller RH, Strater N, Rohwerder T, J Biol Chem. 2015 Apr 10;290(15):9727-37. doi: 10.1074/jbc.M115.645689. Epub 2015, Feb 26. PMID: 25720495

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