3N71:
reference: Crystal structure of cardiac specific histone methyltransferase SmyD1 reveals unusual active site architecture., Sirinupong N, Brunzelle J, Ye J, Pirzada A, Nico L, Yang Z, J Biol Chem. 2010 Oct 12. PMID: 20943667

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