| 4AOB: reference: Structure and folding of a rare, natural kink turn in RNA with an A*A pair at the 2b*2n position., Schroeder KT, Daldrop P, McPhee SA, Lilley DM, RNA. 2012 Apr 26. PMID: 22539525 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).