| 230D: reference: Solution structures of unimolecular quadruplexes formed by oligonucleotides containing Oxytricha telomere repeats., Smith FW, Schultze P, Feigon J, Structure 1995 Oct 15;3(10):997-1008. PMID: 8590010 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).