3LW9:
reference: A conserved domain in type III secretion links the cytoplasmic domain of InvA to elements of the basal body., Lilic M, Quezada CM, Stebbins CE, Acta Crystallogr D Biol Crystallogr. 2010 Jun;66(Pt 6):709-13. Epub 2010 May 15. PMID: 20516623

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