5HQF:
reference: Nuclear Magnetic Resonance Solution Structure of DNA Featuring Clustered 2'-Deoxyribonolactone and 8-Oxoguanine Lesions., Zalesak J, Constant JF, Jourdan M, Biochemistry. 2016 Jul 19;55(28):3899-906. doi: 10.1021/acs.biochem.6b00396. Epub, 2016 Jul 8. PMID: 27322640

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