1L0R:
reference: Drug recognition of a DNA single strand break: nogalamycin intercalation between coaxially stacked hairpins., Williams HE, Colgrave ML, Searle MS, Eur J Biochem 2002 Mar;269(6):1726-33. PMID: 11895443

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