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Standard Name


Gene Synonym(s)

ECK1460, b1466, JW1461, chlZ[1], chlZ

Product Desc.

NarW, probable private chaperone for NarZ nitrate reductase subunit[2][3]

Redox enzyme maturation protein (REMP) for for NarZYV, molybdenum insertion; binds NarZ[4]

Product Synonyms(s)

nitrate reductase 2 (NRZ), delta subunit (assembly subunit)[1], B1466[2][1], ChlZ[2][1], NarW[2][1] , chlZ, ECK1460, JW1461, b1466

Function from GO
Knock-Out Phenotype

transcription unit(s): narWV[2], narZYWV[2]

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NarW has two NarZ binding sites: one for Mo insertion and one to block membrane attachment via NarV until activation is complete. NarJ and NarW are interchangeable. Stationary phase induced, RpoS-dependent.[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 2.4 2.5 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.