2H23:
reference: Catalytic roles for carbon-oxygen hydrogen bonding in set domain lysine methyltransferases., Couture JF, Hauk G, Thompson MJ, Blackburn GM, Trievel RC, J Biol Chem. 2006 May 8;. PMID: 16682405

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