TABLE 4.

Predicted gene products of the A. salmonicida subsp. salmonicida Flp pilus system based on similarity to the A. actinomycetemcomitans Flp system

A. salmonicida subsp. salmonicida gene product	Homologue in A. actinomycetemcomitans	% Amino acid identity	Predicted function, location, and/or Gsp homologue
Flp1	Flp1	27	Pilin subunit
FlpA	TadV	27	Inner membrane, prepilin peptidase
FlpB	RcpC	19	Periplasm, unknown function
FlpC	RcpA	27	Outer membrane, secretin
FlpD	RcpB	18	Periplasm, unknown function
FlpE	TadZ	17	Cytoplasm, ATPase, GspA
FlpF	TadA	45	Cytoplasm, traffic ATPase, GspE
FlpG	TadB	22	Inner membrane, GspF
FlpH	TadC	22	Inner membrane, GspF
FlpI	TadD	22	Outer membrane, tetratricopeptide repeat lipoprotein
FlpJ	TadE	8	Pseudopilin
FlpK	TadF	10	Pseudopilin
FlpL	TadG	7	Pseudopilin