1GPY:
reference: Crystallographic binding studies on the allosteric inhibitor glucose-6-phosphate to T state glycogen phosphorylase b., Johnson LN, Snape P, Martin JL, Acharya KR, Barford D, Oikonomakos NG, J Mol Biol 1993 Jul 5;232(1):253-67. PMID: 8331662

This OCA Structure page
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