3KCZ: Human Poly(Adp-Ribose) Polymerase 2, Catalytic Fragment In C With An Inhibitor 3-Aminobenzamide
reference: Crystal structure of the catalytic domain of human PARP2 in complex with PARP inhibitor ABT-888., Karlberg T, Hammarstrom M, Schutz P, Svensson L, Schuler H, Biochemistry. 2010 Feb 16;49(6):1056-8. PMID: 20092359

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