TABLE 3.

Predicted gene products of the A. salmonicida subsp. salmonicida Tap pilus system based on similarity to the P. aeruginosa Pil system

A. salmonicida subsp. salmonicida gene productHomologue in P. aeruginosa% Amino acid identityaPredicted function, location, and/or Gsp homologueb
TapAPilA32Pilin subunit
TapBPilB56Cytoplasm, traffic ATPase, GspE
TapCPilC50Inner membrane, GspF
TapDPilD58Inner membrane, prepilin peptidase
TapMPilM39Inner membrane, MreB homologue
TapNPilN34Inner membrane, GspL
TapOPilO40Inner membrane
TapPPilP32Outer membrane, pilotin, lipoprotein
TapQPilQ38Outer membrane, secretin
TapTPilT75Cytoplasm, twitching ATPase
TapUPilU56Cytoplasm, twitching ATPase
TapWPilU52Cytoplasm, twitching ATPase
TppAPilE37Pseudopilin
TppBPilV12Pseudopilin
TppCPilW9Pseudopilin
TppDPilX12Pseudopilin
TppEFimT19Pseudopilin
TppFFimU12Pseudopilin
TapY1PilY123Outer membrane
TapY2PilY218Periplasm
TapVFimV26Inner membrane, regulator
TapFPilF33Outer membrane, tetratricopeptide repeat lipoprotein