rpoN:On One Page

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Quickview   Gene   Gene Product(s)   Expression   Evolution   On One Page    
Quickview | Gene | Product(s) | Expression| Evolution | References |

Quickview

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Standard Name

rpoN

Gene Synonym(s)

ECK3191, b3202, JW3169, glnF, ntrA[1], ntrA

Product Desc.

sigma54 factor[2]; RNA polymerase, sigma 54 (sigma N) factor[3];

Component of RNA polymerase sigma54[2]; RNA polymerase sigma 54[3]

RNA polymerase subunit, sigma 54; needed for expression of various regulons, promoter specificity set by various activator proteins required for sigma 54 recruitment[4]

Product Synonyms(s)

RNA polymerase, sigma 54 (sigma N) factor[1], B3202[2][1], NtrA[2][1], GlnF[2][1], RpoN[2][1], sigma N factor[2][1], sigma 54 factor[3][1], sigma N[3][1] , ECK3191, glnF, JW3169, ntrA, b3202

Function from GO

<GO_nr />

Knock-Out Phenotype
Regulation/Expression

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, rpoN[2]

Regulation/Activity
Quick Links

porteco.png EcoCyc.gif regulondb.jpg

dnadisplay.png proteindisplay.png   pubmed.jpg   textpresso.jpg  

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Notes

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RpoN, aslo called sigma N, was originally identified as the sigma factor for nitrogen-controlled genes. The rpoN operon contains rpoN-hpf-ptsN-yhbJ-npr.[4]



Gene

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Nomenclature

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See Help:Gene_nomenclature for help with entering information in the Gene Nomenclature table.

Standard name

rpoN

Mnemonic

RNA polymerase

Synonyms

ECK3191, b3202, JW3169, glnF, ntrA[1], ntrA

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Notes

Location(s) and DNA Sequence

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<protect> See Help:Gene_location for help entering information in the Gene Location and DNA sequence table.

Strain Map location Genome coordinates Genome browsers Sequence links

MG1655

72.05 minutes 

MG1655: 3342739..3344172
<gbrowseImage> name=NC_000913:3342739..3344172 source=MG1655 preset=GeneLocation </gbrowseImage>

REL606

NC_012967: 3279952..3281385
<gbrowseImage> name=NC_012967:3279952..3281385 source=REL606 preset=GeneLocation </gbrowseImage>

BW2952

NC_012759: 3229887..3231320
<gbrowseImage> name=NC_012759:3229887..3231320 source=BW2952 preset=GeneLocation </gbrowseImage>

W3110

 

W3110: 3344572..3346005
<gbrowseImage> name=NC_007779:3344572..3346005 source=W3110 preset=GeneLocation </gbrowseImage>

DH10B

DH10B: 3440484..3441917
<gbrowseImage> name=NC_010473:3440484..3441917 source=DH10B preset=GeneLocation </gbrowseImage>

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Notes

Sequence Features

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See Help:Gene_sequence_features for help in entering sequence features in EcoliWiki.

Feature Type Strain Genomic Location Evidence Reference Notes

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Notes

Alleles and Phenotypes

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See Help:Gene_alleles for how to enter or edit alleles and phenotypes in EcoliWiki.

Allele Nt change(s) AA change(s) Phenotype: Type Phenotype: Description Reference Availability Comments

ΔrpoN (Keio:JW3169)

deletion

deletion

PMID:16738554

Shigen
CGSC10404[5]

rpoN::Tn5KAN-I-SceI (FB21065)

Insertion at nt 324 in Minus orientation

PMID:15262929

E. coli Genome Project:FB21065

contains pKD46

ΔrpoN::kan

deletion

Biolog:respiration

unable to respire a-Hydroxybutyrate

PMID:16095938

ΔrpoN::kan

deletion

Biolog:respiration

unable to respire a-Ketobutyrate

PMID:16095938

rpoN208::Tn10

PMID:6131062

CGSC:88039

ΔrpoN730::kan

PMID:16738554

CGSC:102792


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Notes

Genetic Interactions

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Interactor Interaction Allele Score(s) Reference(s) Accessions Notes

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Notes

Genetic Resources

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See Help:Gene_resources for help entering information into the Genetic Resources table.

Resource Resource Type Source Notes/Reference

JW3169

Plasmid clone

Shigen

PMID:16769691

Status:Clone OK

Primer 1:GCCAAGCAAGGTTTGCAACTCAG

Primer 2:CCAACGAGTTGTTTACGCTGGTT

7E3

Kohara Phage

Genobase

PMID:3038334

3G10

Kohara Phage

Genobase

PMID:3038334

sfsB203::Tn10

Linked marker

CAG12072 = CGSC7440[5]

est. P1 cotransduction: 67% [6]
Synonyms:zgj-203::Tn10, zha-203::Tn10

zhc-6::Tn10

Linked marker

CAG12153 = CGSC7442[5]

est. P1 cotransduction: 46% [6]
Synonyms:zha-6::Tn10

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Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

EcoCyc

EcoCyc:EG10898

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10898

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000889

Escherichia coli str. K-12 substr. MG1655

NCBI (EcoliWiki Page)

GeneID:947714

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0891

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010514

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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Product(s)

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Nomenclature

See Help:Product_nomenclature for help entering or editing information in this section of EcoliWiki.

Standard name

RpoN

Synonyms

RNA polymerase, sigma 54 (sigma N) factor[1], B3202[2][1], NtrA[2][1], GlnF[2][1], RpoN[2][1], sigma N factor[2][1], sigma 54 factor[3][1], sigma N[3][1] , ECK3191, glnF, JW3169, ntrA, b3202

Product description

sigma54 factor[2]; RNA polymerase, sigma 54 (sigma N) factor[3];

Component of RNA polymerase sigma54[2]; RNA polymerase sigma 54[3]

RNA polymerase subunit, sigma 54; needed for expression of various regulons, promoter specificity set by various activator proteins required for sigma 54 recruitment[4]

EC number (for enzymes)


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Notes

Function

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<protect> Gene Ontology
See Help:Gene_ontology for help entering or editing GO terms and GO annotations in EcoliWiki.

Qualifier GO ID GO term name Reference Evidence Code with/from Aspect Notes Status

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000394

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR007046

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0238

F

Seeded from EcoCyc (v14.0)

complete

GO:0003700

transcription factor activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000394

F

Seeded from EcoCyc (v14.0)

complete

GO:0003899

DNA-directed RNA polymerase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000394

F

Seeded from EcoCyc (v14.0)

complete

GO:0003899

DNA-directed RNA polymerase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0240

F

Seeded from EcoCyc (v14.0)

complete

GO:0006350

transcription

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0804

P

Seeded from EcoCyc (v14.0)

complete

GO:0006352

transcription initiation

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000394

P

Seeded from EcoCyc (v14.0)

complete

GO:0006352

transcription initiation

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR007046

P

Seeded from EcoCyc (v14.0)

complete

GO:0006355

regulation of transcription, DNA-dependent

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000394

P

Seeded from EcoCyc (v14.0)

complete

GO:0006355

regulation of transcription, DNA-dependent

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0731

P

Seeded from EcoCyc (v14.0)

complete

GO:0006525

arginine metabolic process

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0056

P

Seeded from EcoCyc (v14.0)

complete

GO:0016740

transferase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0808

F

Seeded from EcoCyc (v14.0)

complete

GO:0016779

nucleotidyltransferase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0548

F

Seeded from EcoCyc (v14.0)

complete

GO:0016987

sigma factor activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000394

F

Seeded from EcoCyc (v14.0)

complete

GO:0016987

sigma factor activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0731

F

Seeded from EcoCyc (v14.0)

complete

Interactions See Help:Product_interactions for help entering or editing information about gene product interactions in this section of EcoliWiki.

Partner Type Partner Notes References Evidence

Protein

Subunits of RNA polymerase sigma54

could be indirect

Protein

dnaK

PMID:15690043

Experiment(s):EBI-879445, EBI-883645

Protein

manX

PMID:15690043

Experiment(s):EBI-879445

Protein

rplD

PMID:15690043

Experiment(s):EBI-879445

Protein

rplM

PMID:15690043

Experiment(s):EBI-879445

Protein

rpoA

PMID:15690043

Experiment(s):EBI-879445, EBI-883645

Protein

rpoC

PMID:15690043

Experiment(s):EBI-879445

Protein

yraM

PMID:15690043

Experiment(s):EBI-879445

Protein

rpoC

PMID:16606699

Experiment(s):EBI-1145142

Protein

rpsC

PMID:16606699

Experiment(s):EBI-1145142

Protein

rpoA

PMID:16606699

Experiment(s):EBI-1145142

Protein

rpsG

PMID:16606699

Experiment(s):EBI-1145142

Protein

nagZ

PMID:16606699

Experiment(s):EBI-1145142

Protein

rpoB

PMID:16606699

Experiment(s):EBI-1145142

Protein

rplB

PMID:16606699

Experiment(s):EBI-1145142

Protein

phnN

PMID:16606699

Experiment(s):EBI-1145142

Protein

yagS

PMID:16606699

Experiment(s):EBI-1145142

Protein

manX

PMID:19402753

MALDI(Z-score):24.617987

Protein

yraM

PMID:19402753

MALDI(Z-score):17.053160

Protein

rplM

PMID:19402753

MALDI(Z-score):20.474034

Protein

rpoB

PMID:19402753

LCMS(ID Probability):99.6 MALDI(Z-score):20.106361

Protein

rpoA

PMID:19402753

LCMS(ID Probability):99.6 MALDI(Z-score):39.202085

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Notes

Localization

See Help:Product_localization for how to add or edit information in this section of EcoliWiki.

Compartment Description Evidence Reference/Source Notes

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Notes

Structure and Physical Properties

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<protect> Physical Properties See Help:Product_physical_properties for help entering or editing information about the physical properties of this gene product.

Name
Sequence

at EcoCyc

MKQGLQLRLS QQLAMTPQLQ QAIRLLQLST LELQQELQQA LESNPLLEQI DTHEEIDTRE
TQDSETLDTA DALEQKEMPE ELPLDASWDT IYTAGTPSGT SGDYIDDELP VYQGETTQTL
QDYLMWQVEL TPFSDTDRAI ATSIVDAVDE TGYLTVPLED ILESIGDEEI DIDEVEAVLK
RIQRFDPVGV AAKDLRDCLL IQLSQFDKTT PWLEEARLII SDHLDLLANH DFRTLMRVTR
LKEDVLKEAV NLIQSLDPRP GQSIQTGEPE YVIPDVLVRK HNGHWTVELN SDSIPRLQIN
QHYASMCNNA RNDGDSQFIR SNLQDAKWLI KSLESRNDTL LRVSRCIVEQ QQAFFEQGEE
YMKPMVLADI AQAVEMHEST ISRVTTQKYL HSPRGIFELK YFFSSHVNTE GGGEASSTAI
RALVKKLIAA ENPAKPLSDS KLTSLLSEQG IMVARRTVAK YRESLSIPPS NQRKQLV
Length

477

Mol. Wt

53.99 kDa

pI

4.5 (calculated)

Extinction coefficient

43,890 - 44,265 (calc based on 11 Y, 5 W, and 3 C residues)


Domains/Motifs/Modification Sites

See Help:Product_domains_motifs for help entering or editing information in this section of EcoliWiki.

Type Residues Description Notes References

Domain

3..51

PF00309 Sigma-54 factor, Activator interacting domain (AID)

PMID:19920124

Domain

106..304

PF04963 Sigma-54 factor, core binding domain

PMID:19920124

Domain

316..475

PF04552 Sigma-54, DNA binding domain

PMID:19920124

<motif_map/>

Structure
See Help:Product_structure for help entering or editing information in this section of EcoliWiki.

Structures

<beststructure> gene=rpoN taxon=562,83333 </beststructure>

Models

View models at:

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Structure figures

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Notes

Gene Product Resources

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See Help:Product_resources for help with entering or editing information in this section of EcoliWiki.

Resource type Source Notes/Reference

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Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

NCBI (Protein) (EcoliWiki Page)

GI:16131092

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:947714

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010514

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P24255

Escherichia coli str. K-12 substr. MG1655

EcoCyc

EcoCyc:EG10898

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10898

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:947714

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000889

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0891

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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Expression

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Overview

This is a placeholder for a summary statement on how expression of this gene product is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.


Cellular Levels

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See Help:Cellular levels

Molecule Organism or Strain Value Units Experimental Conditions Assay used Notes Reference(s)

Protein

Ecoli K-12

42.382+/-0.303

Molecules/cell

  • Medium:
  • Temperature (°C):
  • Doubling time (min): Growth Rate(min): *
  • Growth phase: other: *

Single Molecule Fluorescence

PMID:20671182

mRNA

Ecoli K-12

0.199930216

Molecules/cell

  • Medium:
  • Temperature (°C):
  • Doubling time (min): Growth Rate(min): *
  • Growth phase: other: *

by RNA_Seq

PMID:20671182

Protein

E. coli K-12 MG1655

459

molecules/cell/generation

  • Medium: MOPS Complete
  • Temperature (°C): 37
  • Doubling time (min):
  • *Growth phase:
  • OD:
  • other:

Ribosome Profiling

PMID: 24766808

Protein

E. coli K-12 MG1655

316

molecules/cell/generation

  • Medium: MOPS Minimal
  • Temperature (°C): 37
  • Doubling time (min):
  • *Growth phase:
  • OD:
  • other:

Ribosome Profiling

PMID: 24766808

Protein

E. coli K-12 MG1655

413

molecules/cell/generation

  • Medium: MOPS Complete without Methionine
  • Temperature (°C): 37
  • Doubling time (min):
  • *Growth phase:
  • OD:
  • other:

Ribosome Profiling

PMID: 24766808

Notes

Transcription and Transcriptional Regulation

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<protect>

See Help:Expression_transcription for help entering or editing information in this section of EcoliWiki.

Transcription unit(s)

lptB-rpoN-yhbH-ptsN-yhbJ

rpoN-yhbH-ptsN-yhbJ-npr

rpoN

Figure courtesy of RegulonDB

</protect>

Notes

This is a placeholder for a summary statement about how transcription of this gene is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.

Translation and Regulation of Translation

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<protect><gbrowseImage> name=NC_000913:3342719..3342759 source=MG1655 type=Gene+DNA_+Protein preset=Nterminus </gbrowseImage> This picture shows the sequence around the N-terminus.

</protect>

Notes

This is a placeholder for a summary statement about how translation of this gene product is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.

Turnover and Regulation of Turnover

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Notes

This is a placeholder for a summary statement about turnover of this gene product. You can help EcoliWiki by becoming a user and writing/editing this statement.

Experimental

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<protect> Mutations Affecting Expression See Help:Expression_mutations for help entering or editing information in this section of EcoliWiki.

Allele Name Mutation Phenotype Reference


Expression Studies See Help:Expression_studies for help entering or editing information in this section of EcoliWiki.

Type Reference Notes

microarray

GEO Profiles:b3202 (EcoliWiki Page)

NCBI GEO profiles for rpoN

microarray

GenExpDB:b3202 (EcoliWiki Page)

Summary of data for rpoN from multiple microarray studies


Expression Resources See Help:Expression_resources for help entering or editing information in this section of EcoliWiki.

Resource Name Resource Type Description Source Notes

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Notes

Accessions Related to rpoN Expression

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

EcoCyc

EcoCyc:EG10898

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0891

Escherichia coli str. K-12 substr. MG1655

EcoliGenExpDB (EcoliWiki Page)

EcoliGenExpDB:b3202

EcoGene

EcoGene:EG10898

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000889

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010514

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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Evolution

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Homologs in Other Organisms

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See Help:Evolution_homologs for help entering or editing information in this section of EcoliWiki.

Organism Homologs (Statistics) Comments

Shigella flexneri

RPON

From SHIGELLACYC

E. coli O157

RPON

From ECOO157CYC


Do-It-Yourself Web Tools

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Notes

Families

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

Pfam (EcoliWiki Page)

PF00309 Sigma-54 factor, Activator interacting domain (AID)

Pfam (EcoliWiki Page)

PF04963 Sigma-54 factor, core binding domain

Pfam (EcoliWiki Page)

PF04552 Sigma-54, DNA binding domain

EcoCyc

EcoCyc:EG10898

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10898

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000889

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0891

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010514

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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References

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See Help:References for how to manage references in EcoliWiki.

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 4.2 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  5. 5.0 5.1 5.2 CGSC: The Coli Genetics Stock Center
  6. 6.0 6.1 The Tn10 insertion sites determined by Nichols et al. 1998 (PMID:9829956) were reannotated by alignment with E. coli K-12 genome sequence (GenBank accession NC_000913). P1 contransduction frequencies were calculated using the formula of Wu (PMID:5338813).

Categories

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