| 2RFK: reference: Substrate RNA positioning in the archaeal H/ACA ribonucleoprotein complex., Liang B, Xue S, Terns RM, Terns MP, Li H, Nat Struct Mol Biol. 2007 Dec 2;. PMID: 18059286 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).