1OSR:
reference: Structural study of DNA duplex containing an N-(2-deoxy-beta-D-erythro-pentofuranosyl) formamide frameshift by NMR and restrained molecular dynamics., Maufrais C, Fazakerley GV, Cadet J, Boulard Y, Nucleic Acids Res 2003 Oct 15;31(20):5930-40. PMID: 14530441

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