2VBG:
reference: Structure of the branched-chain keto acid decarboxylase (KdcA) from Lactococcus lactis provides insights into the structural basis for the chemoselective and enantioselective carboligation reaction., Berthold CL, Gocke D, Wood MD, Leeper FJ, Pohl M, Schneider G, Acta Crystallogr D Biol Crystallogr. 2007 Dec;63(Pt 12):1217-24. Epub 2007, Nov 16. PMID: 18084069

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