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References Suggestions


Standard Name


Gene Synonym(s)

ECK3396, b3409, JW3372[1], JW3372

Product Desc.

FeoB ferrous iron transporter[2][3]

Ferrous iron uptake GTP-binding membrane protein; N-terminus is a cytoplasmic G protein[4]

Product Synonyms(s)

fused ferrous iron transporter, protein B: GTP-binding protein[1], membrane protein[1], B3409[2][1], FeoB[2][1] , ECK3396, JW3372, b3409

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): feoAB[2]

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

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FeoB GTPase actvity is required for ferrous iron uptake; it slowly hydrolyzes its bound GTP. FeoB may be a primordial archetype of G protein-regulated membrane proteins. Fur regulon. Fnr regulon. An feoB mutant is unable to colonize the mouse intestine.[4]


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  1. 1.0 1.1 1.2 1.3 1.4 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.