1S0O:
reference: Snapshots of replication through an abasic lesion; structural basis for base substitutions and frameshifts., Ling H, Boudsocq F, Woodgate R, Yang W, Mol Cell 2004 Mar 12;13(5):751-62. PMID: 15023344

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