2I5W:
reference: A nucleobase lesion remodels the interaction of its normal neighbor in a DNA glycosylase complex., Banerjee A, Verdine GL, Proc Natl Acad Sci U S A. 2006 Oct 10;103(41):15020-5. Epub 2006 Oct 2. PMID: 17015827

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