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References Suggestions


Standard Name


Gene Synonym(s)

ECK2055, b2061, JW2046[1], JW2046

Product Desc.


Phosphotyrosine-protein phosphatase Wzb; activates colanic acid synthesis for capsule production by dephosphorylating Wzc-P; mutants do not make capsules; induced by AI-2 pheromone[4]

Product Synonyms(s)

protein-tyrosine phosphatase[1], B2061[2][1], Wzb[2][1] , ECK2055, JW2046, b2061

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): wza-wzb-wzc-wcaAB[2], OP00290, cps, cpsB, cpsGB

Quick Links

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Dephosphorylates Wzc-P in vitro and in vivo. Also dephosphorylates Etp-P in vitro.[4]


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  1. 1.0 1.1 1.2 1.3 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.