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References Suggestions


Standard Name


Gene Synonym(s)

ECK3193, b3204, JW3171, rpoP, yhbI[1], yhbI

Product Desc.

phosphotransferase system enzyme IIA, regulates N metabolism[2][3]

Nitrogen regulatory Enzyme II (Ntr) of PTS system[4]

Product Synonyms(s)

sugar-specific enzyme IIA component of PTS[1], B3204[2][1], YhbI[2][1], RpoP[2][1], PtsN[2][1] , ECK3193, JW3171, rpoP, yhbI, b3204

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): lptB-rpoN-yhbH-ptsN-yhbJ[2], yhbG-rpoN-yhbH-ptsN-yhbJ, rpoN-yhbH-ptsN-yhbJ-npr[2], rpoN-ORFII-ORF-III-ORF-IV-ORFV, rpoN-yhbH-ptsN-yhbJ-ptsO

Quick Links

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Although ptsN was predicted to have a sigma 28 (FliA) promoter, it can not be transcribed in vitro with sigma 28 holoenzyme (Yu, 2006). The rpoN operon contains rpoN-hpf-ptsN-yhbJ-npr. ptsN is a multicopy suppressor of rpoE mutant lethality (Hayden, 2008). RpoE regulon.[4]


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  1. 1.0 1.1 1.2 1.3 1.4 1.5 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 2.6 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.