4OKL:
reference: Structure of d(CCCCGGTACCGGGG)2 at 1.65 A resolution., Purushothaman M, Varghese A, Mandal PK, Gautham N, Acta Crystallogr F Struct Biol Commun. 2014 Jul;70(Pt 7):860-5. doi:, 10.1107/S2053230X1401084X. Epub 2014 Jun 18. PMID: 25005078

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