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. 2004 Feb;72(2):896–907. doi: 10.1128/IAI.72.2.896-907.2004

FIG. 1.

FIG. 1.

Homology alignment of the RhuR protein of B. avium with HurR of B. pertussis (38), HurR of B. bronchiseptica (38), FecR of E. coli (39), and PupR of P. putida (19). Amino acids are denoted using the one-letter code. Ba, B. avium; Bp, B. pertussis; Bb, B. bronchiseptica; Ec, E. coli; Pp, P. putida. *, amino acids which are conserved in all five proteins; colon, amino acids with similar side chains; -, gaps in the amino acid sequences in comparison to the other four proteins. Tryptophans which are conserved in all five proteins and which have been shown to be essential for induction in E. coli FecA (35) are denoted in boldface and larger font. Amino acid sequences of HurR from B. pertussis and B. bronchiseptica were taken from the National Center for Biotechnology Information website (accession numbers NP879221 and NP891186, respectively).