4PZR:
reference: Structure of the p300 Histone Acetyltransferase Bound to Acetyl-Coenzyme A and Its Analogues., Maksimoska J, Segura-Pena D, Cole PA, Marmorstein R, Biochemistry. 2014 Jun 3;53(21):3415-22. doi: 10.1021/bi500380f. Epub 2014 May, 21. PMID: 24819397

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