1DJM:
reference: NMR structure of activated CheY., Cho HS, Lee SY, Yan D, Pan X, Parkinson JS, Kustu S, Wemmer DE, Pelton JG, J Mol Biol 2000 Mar 31;297(3):543-51. PMID: 10731410

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