3DM7:
reference: Structure of Vps75 and implications for histone chaperone function., Tang Y, Meeth K, Jiang E, Luo C, Marmorstein R, Proc Natl Acad Sci U S A. 2008 Aug 26;105(34):12206-11. Epub 2008 Aug 22. PMID: 18723682

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