TABLE 1.

Proteins of the TTSS apparatus

StructureTTSS proteinSequence-related flagellar proteinFunctionally related flagellar protein
Needle Yersinia YscF, Shigella MxiH, Salmonella Prgl, E. coli EscFFliC
Needle length determinant Yersinia YscP, Shigella Spa32, Salmonella InvJFliK
Filament E. coli EspA
Pilus P. syringae HrpA
Inner membrane proteins Yersinia 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
ATPase Yersinia YscN, Salmonella InvC, E. coli EscN, P. syringae HrcNFlil
ATPase-associated proteins Yersinia YscQ, Shigella Spa33FliN, FliM
Yersinia YscL Yessinia YscK, Shigella MxiKFliH
Inner membrane rings Salmonella PrgH, Shigella MxiG
Salmonella PrgK, Shigella MxiJ, Yersinia YscJFliF
Outer membrane rings (secretins) Yersinia YscC, Salmonella InvG, P. syringae HrcC, E. coli EscC