1QSX:
reference: Sequence-dependent variation in DNA minor groove width dictates orientational preference of Hoechst 33258 in A-tract recognition: solution NMR structure of the 2:1 complex with d(CTTTTGCAAAAG)(2)., Gavathiotis E, Sharman GJ, Searle MS, Nucleic Acids Res 2000 Feb 1;28(3):728-35. PMID: 10637324

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