3JV1:
reference: Structure of the Trypanosoma brucei p22 protein, a cytochrome oxidase subunit II-specific RNA-editing accessory factor., Sprehe M, Fisk JC, McEvoy SM, Read LK, Schumacher MA, J Biol Chem. 2010 Jun 11;285(24):18899-908. Epub 2010 Apr 14. PMID: 20392699

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