| 2PBX: reference: Crystal structure of the Vibrio cholerae quorum-sensing regulatory protein HapR., De Silva RS, Kovacikova G, Lin W, Taylor RK, Skorupski K, Kull FJ, J Bacteriol. 2007 Aug;189(15):5683-91. Epub 2007 May 25. PMID: 17526705 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).