| 2LFS: reference: Mechanism of regulation of receptor histidine kinases., Ferris HU, Dunin-Horkawicz S, Hornig N, Hulko M, Martin J, Schultz JE, Zeth K, Lupas AN, Coles M, Structure. 2012 Jan 11;20(1):56-66. PMID: 22244755 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).