| 3OXM: reference: Structural insights into ligand recognition by a sensing domain of the cooperative glycine riboswitch., Huang L, Serganov A, Patel DJ, Mol Cell. 2010 Dec 10;40(5):774-86. PMID: 21145485 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).