3C57:
reference: Crystal structures of the response regulator DosR from Mycobacterium tuberculosis suggest a helix rearrangement mechanism for phosphorylation activation., Wisedchaisri G, Wu M, Sherman DR, Hol WG, J Mol Biol. 2008 Apr 18;378(1):227-42. Epub 2008 Feb 26. PMID: 18353359

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