3H6Z:
reference: Molecular recognition of histone lysine methylation by the Polycomb group repressor dSfmbt., Grimm C, Matos R, Ly-Hartig N, Steuerwald U, Lindner D, Rybin V, Muller J, Muller CW, EMBO J. 2009 Jul 8;28(13):1965-77. Epub 2009 Jun 4. PMID: 19494831

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