1JUU:
reference: NMR structure of a parallel-stranded DNA duplex at atomic resolution., Parvathy VR, Bhaumik SR, Chary KV, Govil G, Liu K, Howard FB, Miles HT, Nucleic Acids Res 2002 Apr 1;30(7):1500-11. PMID: 11917010

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