1BOB:
reference: Structure of the histone acetyltransferase Hat1: a paradigm for the GCN5-related N-acetyltransferase superfamily., Dutnall RN, Tafrov ST, Sternglanz R, Ramakrishnan V, Cell 1998 Aug 21;94(4):427-38. PMID: 9727486

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