| 4GLG: reference: Crystal structures of B-DNA dodecamer containing the epigenetic modifications 5-hydroxymethylcytosine or 5-methylcytosine., Renciuk D, Blacque O, Vorlickova M, Spingler B, Nucleic Acids Res. 2013 Aug 20. PMID: 23963698 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).