4IGA:
reference: The crystal structure of an activated Thermotoga maritima CheY with N-terminal region of FliM., Ahn DR, Song H, Kim J, Lee S, Park S, Int J Biol Macromol. 2013 Mar;54:76-83. doi: 10.1016/j.ijbiomac.2012.12.003. Epub, 2012 Dec 10. PMID: 23237794

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