2ZYA:
reference: Conformational changes associated with cofactor/substrate binding of 6-phosphogluconate dehydrogenase from Escherichia coli and Klebsiella pneumoniae: Implications for enzyme mechanism., Chen YY, Ko TP, Chen WH, Lo LP, Lin CH, Wang AH, J Struct Biol. 2009 Aug 15. PMID: 19686854

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