| 2CWO: reference: RNA Silencing Suppressor p21 of Beet Yellows Virus Forms an RNA Binding Octameric Ring Structure., Ye K, Patel DJ, Structure (Camb) 2005 Sep;13(9):1375-84. PMID: 16154094 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).