2L7P:
reference: The CW domain, a new histone recognition module in chromatin proteins., Hoppmann V, Thorstensen T, Kristiansen PE, Veiseth SV, Rahman MA, Finne K, Aalen RB, Aasland R, EMBO J. 2011 Apr 26. PMID: 21522130

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