3KJL:
reference: Structural basis for the interaction between yeast Spt-Ada-Gcn5 acetyltransferase (SAGA) complex components Sgf11 and Sus1., Ellisdon AM, Jani D, Kohler A, Hurt E, Stewart M, J Biol Chem. 2010 Feb 5;285(6):3850-6. Epub 2009 Dec 9. PMID: 20007317

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