3KNC:
reference: The Crystal Structure of the CeNA:RNA Hybrid ce(GCGTAGCG):r(CGCUACGC)., Ovaere M, Herdewijn P, Van Meervelt L, Chemistry. 2011 Jul 4;17(28):7823-30. doi: 10.1002/chem.201003594. Epub, 2011 May 26. PMID: 21618623

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