1Q14:
reference: Structure and autoregulation of the yeast Hst2 homolog of Sir2., Zhao K, Chai X, Clements A, Marmorstein R, Nat Struct Biol 2003 Oct;10(10):864-71. Epub 2003 Sep 21. PMID: 14502267

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