5T4W:
reference: Crystal structure of the DNA sequence d(CGTGAATTCACG)2 with DAPI., Sbirkova-Dimitrova HI, Shivachev B, Acta Crystallogr F Struct Biol Commun. 2017 Sep 1;73(Pt 9):500-504. doi:, 10.1107/S2053230X17011384. Epub 2017 Aug 14. PMID: 28876227

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