5M4W:
reference: Tetrahelical structural family adopted by AGCGA-rich regulatory DNA regions., Kocman V, Plavec J, Nat Commun. 2017 May 17;8:15355. doi: 10.1038/ncomms15355. PMID: 28513602

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