2J9F:
reference: The two active sites in human branched-chain alpha-keto acid dehydrogenase operate independently without an obligatory alternating-site mechanism., Li J, Machius M, Chuang JL, Wynn RM, Chuang DT, J Biol Chem. 2007 Apr 20;282(16):11904-13. Epub 2007 Feb 27. PMID: 17329260

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