TABLE 1.

Proteins of the TTSS apparatus

StructureTTSS proteinSequence-related flagellar proteinFunctionally related flagellar protein
NeedleYersinia YscF, Shigella MxiH, Salmonella Prgl, E. coli EscFFliC
Needle length determinantYersinia YscP, Shigella Spa32, Salmonella InvJFliK
FilamentE. coli EspA
PilusP. syringae HrpA
Inner membrane proteinsYersinia YscV, Salmonella InvA, E. coli EscVFlhA
Yersinia YscU, Salmonella SpaS, E. coli EscUFlhB
Yersinia YscR, Salmonella SpaP, E. coli EscRFliP
Yersinia YscS, Salmonella SpaQ, E. coli EscSFliQ
Yersinia YscT, Salmonella SpaR, E. coli EscTFliR
ATPaseYersinia YscN, Salmonella InvC, E. coli EscN, P. syringae HrcNFlil
ATPase-associated proteinsYersinia YscQ, Shigella Spa33FliN, FliM
Yersinia YscL Yessinia YscK, Shigella MxiKFliH
Inner membrane ringsSalmonella PrgH, Shigella MxiG
Salmonella PrgK, Shigella MxiJ, Yersinia YscJFliF
Outer membrane rings (secretins)Yersinia YscC, Salmonella InvG, P. syringae HrcC, E. coli EscC