Fused signal transducer for aerotaxis sensory component/methyl accepting chemotaxis component; Signal transducer for aerotaxis. The aerotactic response is the accumulation of cells around air bubbles. The nature of the sensory stimulus detected by this protein is the proton motive force or cellular redox state. It uses a FAD prosthetic group as a redox sensor to monitor oxygen levels.

Methyl-accepting protein IV; Mediates taxis toward dipeptides via an interaction with the periplasmic dipeptide-binding protein.

Fused signal transducer for aerotaxis sensory component/methyl accepting chemotaxis component; Signal transducer for aerotaxis. The aerotactic response is the accumulation of cells around air bubbles. The nature of the sensory stimulus detected by this protein is the proton motive force or cellular redox state. It uses a FAD prosthetic group as a redox sensor to monitor oxygen levels.

Methyl-accepting chemotaxis protein II; Receptor for the attractant L-aspartate and related amino and dicarboxylic acids. Tar also mediates taxis to the attractant maltose via an interaction with the periplasmic maltose binding protein. Tar mediates taxis away from the repellents cobalt and nickel.

Fused signal transducer for aerotaxis sensory component/methyl accepting chemotaxis component; Signal transducer for aerotaxis. The aerotactic response is the accumulation of cells around air bubbles. The nature of the sensory stimulus detected by this protein is the proton motive force or cellular redox state. It uses a FAD prosthetic group as a redox sensor to monitor oxygen levels.

Methyl-accepting chemotaxis protein III, ribose and galactose sensor receptor; Mediates taxis to the sugars ribose and galactose via an interaction with the periplasmic ribose- or galactose-binding proteins.

Fused signal transducer for aerotaxis sensory component/methyl accepting chemotaxis component; Signal transducer for aerotaxis. The aerotactic response is the accumulation of cells around air bubbles. The nature of the sensory stimulus detected by this protein is the proton motive force or cellular redox state. It uses a FAD prosthetic group as a redox sensor to monitor oxygen levels.

Methyl-accepting chemotaxis protein I, serine sensor receptor; Receptor for the attractant L-serine and related amino acids. Is also responsible for chemotaxis away from a wide range of repellents, including leucine, indole, and weak acids.

TonB-dependent outer membrane ferric citrate transporter and signal transducer; FecA is the outer membrane receptor protein in the Fe(3+) dicitrate transport system.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

TonB-dependent outer membrane ferric citrate transporter and signal transducer; FecA is the outer membrane receptor protein in the Fe(3+) dicitrate transport system.

Ferrienterobactin outer membrane transporter; This protein is involved in the initial step of iron uptake by binding ferrienterobactin (Fe-ENT), an iron chelatin siderophore that allows E.coli to extract iron from the environment. FepA also acts as a receptor for colicins B and D.

TonB-dependent outer membrane ferric citrate transporter and signal transducer; FecA is the outer membrane receptor protein in the Fe(3+) dicitrate transport system.

Ferrichrome outer membrane transporter; Involved in the uptake of iron in complex with ferrichrome, a hydroxamate-type siderophore. Binds and transports ferrichrome-iron across the outer membrane. In addition to its role in ferrichrome-iron transport, transports the antibiotic albomycin, which is a structural analog of ferrichrome, and acts as a receptor for colicin M, microcin J25 and bacteriophages T1, T5, phi80 and UC-1. The energy source, which is required for all FhuA functions except infection by phage T5, is provided by the inner membrane TonB system.

TonB-dependent outer membrane ferric citrate transporter and signal transducer; FecA is the outer membrane receptor protein in the Fe(3+) dicitrate transport system.

Ferric-rhodotorulic acid outer membrane transporter; Required for the uptake of Fe(3+) via coprogen, ferrioxamine B, and rhodotorulic acid.

TonB-dependent outer membrane ferric citrate transporter and signal transducer; FecA is the outer membrane receptor protein in the Fe(3+) dicitrate transport system.

Catecholate siderophore receptor; Involved in the active transport across the outer membrane of iron complexed with catecholate siderophores such as dihydroxybenzoylserine and dihydroxybenzoate. It derives its energy for transport by interacting with the trans-periplasmic membrane protein TonB. Can also transport catechol-substituted cephalosporins. Receptor for microcins M, H47 and E492.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

TonB-dependent outer membrane ferric citrate transporter and signal transducer; FecA is the outer membrane receptor protein in the Fe(3+) dicitrate transport system.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

Ferrienterobactin outer membrane transporter; This protein is involved in the initial step of iron uptake by binding ferrienterobactin (Fe-ENT), an iron chelatin siderophore that allows E.coli to extract iron from the environment. FepA also acts as a receptor for colicins B and D.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

Ferrichrome outer membrane transporter; Involved in the uptake of iron in complex with ferrichrome, a hydroxamate-type siderophore. Binds and transports ferrichrome-iron across the outer membrane. In addition to its role in ferrichrome-iron transport, transports the antibiotic albomycin, which is a structural analog of ferrichrome, and acts as a receptor for colicin M, microcin J25 and bacteriophages T1, T5, phi80 and UC-1. The energy source, which is required for all FhuA functions except infection by phage T5, is provided by the inner membrane TonB system.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

Ferric-rhodotorulic acid outer membrane transporter; Required for the uptake of Fe(3+) via coprogen, ferrioxamine B, and rhodotorulic acid.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

Catecholate siderophore receptor; Involved in the active transport across the outer membrane of iron complexed with catecholate siderophores such as dihydroxybenzoylserine and dihydroxybenzoate. It derives its energy for transport by interacting with the trans-periplasmic membrane protein TonB. Can also transport catechol-substituted cephalosporins. Receptor for microcins M, H47 and E492.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

Putative iron outer membrane transporter; Probable receptor, TonB-dependent.

Ferrienterobactin outer membrane transporter; This protein is involved in the initial step of iron uptake by binding ferrienterobactin (Fe-ENT), an iron chelatin siderophore that allows E.coli to extract iron from the environment. FepA also acts as a receptor for colicins B and D.

TonB-dependent outer membrane ferric citrate transporter and signal transducer; FecA is the outer membrane receptor protein in the Fe(3+) dicitrate transport system.

Ferrienterobactin outer membrane transporter; This protein is involved in the initial step of iron uptake by binding ferrienterobactin (Fe-ENT), an iron chelatin siderophore that allows E.coli to extract iron from the environment. FepA also acts as a receptor for colicins B and D.

Anti-sigma transmembrane signal transducer for ferric citrate transport; Regulation of iron dicitrate transport. In the absence of citrate FecR inactivates fecI. FecR is probably a sensor that recognizes iron dicitrate in the periplasm.

Ferrienterobactin outer membrane transporter; This protein is involved in the initial step of iron uptake by binding ferrienterobactin (Fe-ENT), an iron chelatin siderophore that allows E.coli to extract iron from the environment. FepA also acts as a receptor for colicins B and D.

Ferrichrome outer membrane transporter; Involved in the uptake of iron in complex with ferrichrome, a hydroxamate-type siderophore. Binds and transports ferrichrome-iron across the outer membrane. In addition to its role in ferrichrome-iron transport, transports the antibiotic albomycin, which is a structural analog of ferrichrome, and acts as a receptor for colicin M, microcin J25 and bacteriophages T1, T5, phi80 and UC-1. The energy source, which is required for all FhuA functions except infection by phage T5, is provided by the inner membrane TonB system.

Ferrienterobactin outer membrane transporter; This protein is involved in the initial step of iron uptake by binding ferrienterobactin (Fe-ENT), an iron chelatin siderophore that allows E.coli to extract iron from the environment. FepA also acts as a receptor for colicins B and D.

Ferric-rhodotorulic acid outer membrane transporter; Required for the uptake of Fe(3+) via coprogen, ferrioxamine B, and rhodotorulic acid.

Ferrienterobactin outer membrane transporter; This protein is involved in the initial step of iron uptake by binding ferrienterobactin (Fe-ENT), an iron chelatin siderophore that allows E.coli to extract iron from the environment. FepA also acts as a receptor for colicins B and D.

Catecholate siderophore receptor; Involved in the active transport across the outer membrane of iron complexed with catecholate siderophores such as dihydroxybenzoylserine and dihydroxybenzoate. It derives its energy for transport by interacting with the trans-periplasmic membrane protein TonB. Can also transport catechol-substituted cephalosporins. Receptor for microcins M, H47 and E492.