TABLE 2.

Homologies of V. cholerae enterobactin transport proteins to selected proteins

Protein (ORF)a and homolog	Ligand	Identity (%)	Similarity (%)	Reference(s)
IrgA (VC0475)
E. coli IreA	Unknown	36	56	54
E. coli CirA	Unknown	36	54	43
E. coli O157:H7 Iha	Unknown	33	48	63
E. coli FepA	Enterobactin	26	43	37
VctA (VCA0232)
N. gonorrhoeae FetA	Enterobactin	22	39	6, 14
P. shigelloides HugA	Heme	22	41	31
S. dysenteriae ShuA	Heme	22	38	42
Y. enterolitica HemR	Heme	21	38	62
VctP (VCA0227)
B. subtilis YclQ	Unknown	30	50	36
N. gonorrhoeae FetB	Enterobactin	28	48	14
V. anguillarum FatB	Anguibactin	26	48	1
C. coli CeuE	Enterobactin	25	47	50
V. cholerae ViuP	Vibriobactin	19	35	70
VctD (VCA0228)
B. subtilis Yc1N	Unknown	43	72	36
C. coli CeuB	Enterobactin	42	69	50
V. anguillarum FatD	Anguibactin	35	66	35
V. cholerae ViuD	Vibriobactin	24	43	70
VctG (VCA0229)
B. subtilis Yc1O	Unknown	48	69	36
C. coli CeuC	Enterobactin	40	65	50
V. anguillarum FatC	Anguibactin	26	57	35
V. cholerae ViuG	Vibriobactin	22	44	70
VctC (VCA0230)
B. subtilis Yc1P	Unknown	51	75	36
C. coli CeuD	Enterobactin	43	67	50
V. cholerae ViuC	Vibriobactin	27	51	70

^aORF numbering is according to the TIGR database (27).