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fixX putative ferredoxin FixX [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 948590, updated on 23-Apr-2026
Official Symbol
fixX
Official Full Name
putative ferredoxin FixX
Primary source
ECOCYC:EG11565
Locus tag
b0044
See related
ASAP:ABE-0000151
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
ECK0045; yaaT
Summary
The fix operon is expressed with the adjacent cai operon, suggesting that the fix operon may also be involved in anaerobic metabolism of carnitine . [More information is available at EcoCyc: EG11565].
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Sequence:
NC_000913.3 (45463..45750)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene putative electron transfer flavoprotein FixA Neighboring gene putative electron transfer flavoprotein FixB Neighboring gene putative oxidoreductase FixC Neighboring gene putative transporter YaaU Neighboring gene regulator of KefC-mediated potassium transport and quinone oxidoreductase Neighboring gene K(+) : H(+) antiporter KefC

Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. The distance between Escherichia coli genes is related to gene expression levels. Eyre-Walker A. J Bacteriol, 1995 Sep. PMID 7665529, Free PMC Article
  2. The fix Escherichia coli region contains four genes related to carnitine metabolism. Eichler K, et al. J Basic Microbiol, 1995. PMID 7473063
  3. Regulation of the carnitine pathway in Escherichia coli: investigation of the cai-fix divergent promoter region. Buchet A, et al. J Bacteriol, 1998 May. PMID 9573142, Free PMC Article
  4. Systematic sequencing of the Escherichia coli genome: analysis of the 0-2.4 min region. Yura T, et al. Nucleic Acids Res, 1992 Jul 11. PMID 1630901, Free PMC Article
  5. The binary protein-protein interaction landscape of Escherichia coli. Rajagopala SV, et al. Nat Biotechnol, 2014 Mar. PMID 24561554, Free PMC Article

See all (8) citations in PubMed

GeneRIFs: Gene References Into Functions

Products Interactant Other Gene Complex Source Pubs Description

Homology

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables iron ion binding IEA
Inferred from Electronic Annotation
more info
  
enables protein binding IPI
Inferred from Physical Interaction
more info
 PubMed 
Preferred Names
putative ferredoxin FixX

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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
    45463..45750
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_414586.1 putative ferredoxin FixX

    See identical proteins and their annotated locations for NP_414586.1

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A376U2H2
    Conserved Domains (1) summary
    PRK15449
    Location:1 → 95
    PRK15449; ferredoxin-like protein FixX; Provisional
Nucleotide Protein
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