3GQC:
reference: Structure of the human Rev1-DNA-dNTP ternary complex., Swan MK, Johnson RE, Prakash L, Prakash S, Aggarwal AK, J Mol Biol. 2009 Jul 24;390(4):699-709. Epub 2009 May 21. PMID: 19464298

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