The pod components of the Shigella T3SS sorting platform accommodate multiple copies of Spa33 (SctQ)
Sean K. Whittier, Shoichi Tachiyama, Samira Heydari…·William D. Picking
This paper models the Shigella T3SS pod complex using AlphaFold, showing two Spa33 proteins bind MxiK and SPOA2-SPOA2 domains, supporting a 1:4:2 stoichiometry and explaining electron density data.