1AYL:
reference: Snapshot of an enzyme reaction intermediate in the structure of the ATP-Mg2+-oxalate ternary complex of Escherichia coli PEP carboxykinase., Tari LW, Matte A, Pugazhenthi U, Goldie H, Delbaere LT, Nat Struct Biol 1996 Apr;3(4):355-63. PMID: 8599762

This OCA Structure page
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