3G6Y:
reference: DNA Synthesis across an Abasic Lesion by Human DNA Polymerase iota., Nair DT, Johnson RE, Prakash L, Prakash S, Aggarwal AK, Structure. 2009 Apr 15;17(4):530-7. PMID: 19368886

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