3AY0:
reference: Differentiating analogous tRNA methyltransferases by fragments of the methyl donor., Lahoud G, Goto-Ito S, Yoshida K, Ito T, Yokoyama S, Hou YM, RNA. 2011 Jul;17(7):1236-46. Epub 2011 May 20. PMID: 21602303

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