3KXP:
reference: Structure Determination and Characterization of the Vitamin B(6) Degradative Enzyme (E)-2-(Acetamidomethylene)succinate Hydrolase (,)., McCulloch KM, Mukherjee T, Begley TP, Ealick SE, Biochemistry. 2010 Feb 16;49(6):1226-35. PMID: 20099871

This OCA Structure page
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