1WFX:
reference: Crystal Structure of the RNA 2'-Phosphotransferase from Aeropyrum pernix K1., Kato-Murayama M, Bessho Y, Shirouzu M, Yokoyama S, J Mol Biol 2005 Apr 29;348(2):295-305. PMID: 15811369

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