1YC5: Sir2-P53 Peptide-Nicotinamide
reference: Mechanism of sirtuin inhibition by nicotinamide: altering the NAD(+) cosubstrate specificity of a Sir2 enzyme., Avalos JL, Bever KM, Wolberger C, Mol Cell 2005 Mar 18;17(6):855-68. PMID: 15780941

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).