1S9N:
reference: Solution structure of a nitrous acid induced DNA interstrand cross-link., Edfeldt NB, Harwood EA, Sigurdsson ST, Hopkins PB, Reid BR, Nucleic Acids Res 2004 May 20;32(9):2785-94. Print 2004. PMID: 15155847

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