1YAX:
reference: Metal bridges between the PhoQ sensor domain and the membrane regulate transmembrane signaling., Cho US, Bader MW, Amaya MF, Daley ME, Klevit RE, Miller SI, Xu W, J Mol Biol. 2006 Mar 10;356(5):1193-206. Epub 2005 Dec 27. PMID: 16406409

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).