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ompN outer membrane porin N [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 946313, updated on 30-Jul-2025
Official Symbol
ompN
Official Full Name
outer membrane porin N
Primary source
ECOCYC:G6700
Locus tag
b1377
See related
ASAP:ABE-0004608
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
Lineage
Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
Also known as
ECK1372; ynaG
Summary
Though under typical laboratory growth conditions OmpN is not highly expressed, when overexpressed it operates as a porin with single-channel conductance properties similar to those of OmpC . [More information is available at EcoCyc: G6700].
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Sequence:
NC_000913.3 (1435760..1436893, complement)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene pseudo Neighboring gene universal stress protein F Neighboring gene ncRNA Neighboring gene putative pyruvate-flavodoxin oxidoreductase

Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. Identification and characterization of two quiescent porin genes, nmpC and ompN, in Escherichia coli BE. Prilipov A, et al. J Bacteriol, 1998 Jul. PMID 9642192, Free PMC Article
  2. BOMP: a program to predict integral beta-barrel outer membrane proteins encoded within genomes of Gram-negative bacteria. Berven FS, et al. Nucleic Acids Res, 2004 Jul 1. PMID 15215418, Free PMC Article
  3. A 570-kb DNA sequence of the Escherichia coli K-12 genome corresponding to the 28.0-40.1 min region on the linkage map. Aiba H, et al. DNA Res, 1996 Dec 31. PMID 9097039
  4. Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110. Hayashi K, et al. Mol Syst Biol, 2006. PMID 16738553, Free PMC Article
  5. The complete genome sequence of Escherichia coli K-12. Blattner FR, et al. Science, 1997 Sep 5. PMID 9278503

See all (6) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. N-terminus verified by Edman degradation on mature peptide
    Title: Identification and characterization of two quiescent porin genes, nmpC and ompN, in Escherichia coli BE.
Submit: New GeneRIF Correction

Homology

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables porin activity IBA
Inferred from Biological aspect of Ancestor
more info
  
enables porin activity IDA
Inferred from Direct Assay
more info
 PubMed 
enables porin activity IEA
Inferred from Electronic Annotation
more info
  
Process Evidence Code Pubs
acts_upstream_of_or_within carbohydrate transmembrane transport IDA
Inferred from Direct Assay
more info
 PubMed 
involved_in monoatomic ion transmembrane transport IEA
Inferred from Electronic Annotation
more info
  
involved_in monoatomic ion transport IEA
Inferred from Electronic Annotation
more info
  
Component Evidence Code Pubs
located_in cell outer membrane IEA
Inferred from Electronic Annotation
more info
  
located_in membrane IDA
Inferred from Direct Assay
more info
 PubMed 
located_in membrane IEA
Inferred from Electronic Annotation
more info
  
part_of pore complex IBA
Inferred from Biological aspect of Ancestor
more info
  
part_of pore complex IEA
Inferred from Electronic Annotation
more info
  
Preferred Names
outer membrane porin N

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

  1. NC_000913.3 Reference assembly

    Range
    1435760..1436893 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_415895.1 outer membrane porin N

    See identical proteins and their annotated locations for NP_415895.1

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A478L0V4, A0A776LQZ4, W1EWC5
    Conserved Domains (1) summary
    cl21487
    Location:23 → 377
    OM_channels; Porin superfamily. These outer membrane channels share a beta-barrel structure that differ in strand and shear number. Classical (gram-negative ) porins are non-specific channels for small hydrophillic molecules and form 16 beta-stranded barrels (16,20) ...
Nucleotide Protein
Heading Accession and Version

Gene LinkOut

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