3BSE:
reference: Crystallographic analysis of a sex-specific enhancer element: sequence-dependent DNA structure, hydration, and dynamics., Narayana N, Weiss MA, J Mol Biol. 2009 Jan 16;385(2):469-90. Epub 2008 Oct 22. PMID: 18992257

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