| 2C2A: reference: Structure of the entire cytoplasmic portion of a sensor histidine-kinase protein., Marina A, Waldburger CD, Hendrickson WA, EMBO J. 2005 Dec 21;24(24):4247-59. Epub 2005 Dec 1. PMID: 16319927 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).