1DIZ:
reference: DNA bending and a flip-out mechanism for base excision by the helix-hairpin-helix DNA glycosylase, Escherichia coli AlkA., Hollis T, Ichikawa Y, Ellenberger T, EMBO J 2000 Feb 15;19(4):758-66. PMID: 10675345

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