4G2S:
reference: A Refined Model of the Prototypical Salmonella SPI-1 T3SS Basal Body Reveals the Molecular Basis for Its Assembly., Bergeron JR, Worrall LJ, Sgourakis NG, Dimaio F, Pfuetzner RA, Felise HB, Vuckovic M, Yu AC, Miller SI, Baker D, Strynadka NC, PLoS Pathog. 2013 Apr;9(4):e1003307. doi: 10.1371/journal.ppat.1003307. Epub 2013, Apr 25. PMID: 23633951

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