| 2CKL: reference: Structure and E3-ligase activity of the Ring-Ring complex of polycomb proteins Bmi1 and Ring1b., Buchwald G, van der Stoop P, Weichenrieder O, Perrakis A, van Lohuizen M, Sixma TK, EMBO J. 2006 Jun 7;25(11):2465-74. Epub 2006 May 18. PMID: 16710298 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).