2VOA:
reference: Structure and function of the abasic site specificity pocket of an AP endonuclease from Archaeoglobus fulgidus., Schmiedel R, Kuettner EB, Keim A, Strater N, Greiner-Stoffele T, DNA Repair (Amst). 2008 Dec 4. PMID: 19015049

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