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fxsA protein FxsA [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 948657, updated on 30-Jul-2025
Official Symbol
fxsA
Official Full Name
protein FxsA
Primary source
ECOCYC:G7832
Locus tag
b4140
See related
ASAP:ABE-0013557
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
ECK4134; yjeG
Summary
FxsA overproduction inhibits F exclusion of bacteriophage T7 . [More information is available at EcoCyc: G7832].
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Sequence:
NC_000913.3 (4368664..4369140)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene C4-dicarboxylate transporter DcuA Neighboring gene ncRNA Neighboring gene aspartate ammonia-lyase Neighboring gene L-methionine/branched chain amino acid exporter Neighboring gene cochaperonin GroES

Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. F exclusion of bacteriophage T7 occurs at the cell membrane. Cheng X, et al. Virology, 2004 Sep 1. PMID 15302217
  2. Isolation and identification of fxsA, an Escherichia coli gene that can suppress F exclusion of bacteriophage T7. Wang WF, et al. J Mol Biol, 1999 Sep 24. PMID 10497016
  3. Switching of the bacterial flagellar motor near zero load. Yuan J, et al. J Mol Biol, 2009 Jul 17. PMID 19467245, Free PMC Article
  4. Structural and functional relationships between fumarase and aspartase. Nucleotide sequences of the fumarase (fumC) and aspartase (aspA) genes of Escherichia coli K12. Woods SA, et al. Biochem J, 1986 Jul 15. PMID 3541901, Free PMC Article
  5. Increased synthesis of an Escherichia coli membrane protein suppresses F exclusion of bacteriophage T7. Wang WF, et al. J Mol Biol, 1999 Sep 24. PMID 10497017

See all (15) citations in PubMed

GeneRIFs: Gene References Into Functions

Products Interactant Other Gene Complex Source Pubs Description

Homology

Gene Ontology Provided by EcoCyc

Component Evidence Code Pubs
located_in membrane IDA
Inferred from Direct Assay
more info
 PubMed 
located_in membrane IEA
Inferred from Electronic Annotation
more info
  
is_active_in plasma membrane IBA
Inferred from Biological aspect of Ancestor
more info
  
located_in plasma membrane IDA
Inferred from Direct Assay
more info
 PubMed 
located_in plasma membrane IEA
Inferred from Electronic Annotation
more info
  
Preferred Names
protein FxsA

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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
    4368664..4369140
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_418564.2 protein FxsA

    See identical proteins and their annotated locations for NP_418564.2

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A376TP25, A0A6L7CHG1
    Conserved Domains (1) summary
    COG3030
    Location:1 → 157
    FxsA; Protein affecting phage T7 exclusion by the F plasmid, UPF0716 family [General function prediction only]
Nucleotide Protein
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