2J6V:
reference: Crystal structure of the DNA repair enzyme ultraviolet damage endonuclease., Paspaleva K, Thomassen E, Pannu NS, Iwai S, Moolenaar GF, Goosen N, Abrahams JP, Structure. 2007 Oct;15(10):1316-24. PMID: 17937920

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