4BHW:
reference: Structure of the p300 catalytic core and implications for chromatin targeting and HAT regulation., Delvecchio M, Gaucher J, Aguilar-Gurrieri C, Ortega E, Panne D, Nat Struct Mol Biol. 2013 Aug 11. doi: 10.1038/nsmb.2642. PMID: 23934153

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