| 2AU4: reference: Solution structure of an informationally complex high-affinity RNA aptamer to GTP., Carothers JM, Davis JH, Chou JJ, Szostak JW, RNA. 2006 Feb 28;. PMID: 16510427 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).