4NRH:
reference: A gatekeeper chaperone complex directs translocator secretion during type three secretion., Archuleta TL, Spiller BW, PLoS Pathog. 2014 Nov 6;10(11):e1004498. doi: 10.1371/journal.ppat.1004498., eCollection 2014 Nov. PMID: 25375170

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