2O1I:
reference: Insights into finding a mismatch through the structure of a mispaired DNA bound by a rhodium intercalator., Pierre VC, Kaiser JT, Barton JK, Proc Natl Acad Sci U S A. 2006 Dec 28;. PMID: 17194756

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