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atpI ATP synthase accessory factor AtpI [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 948251, updated on 19-Nov-2025
Official Symbol
atpI
Official Full Name
ATP synthase accessory factor AtpI
Primary source
ECOCYC:EG10106
Locus tag
b3739
See related
ASAP:ABE-0012224
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
ECK3732; uncI
Summary
A nonpolar mutation in the atpI gene shows that the AtpI protein is not an essential component of the H+-ATPase complex . [More information is available at EcoCyc: EG10106].
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Sequence:
NC_000913.3 (3922060..3922440, complement)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene ATP synthase Fo complex subunit c Neighboring gene ATP synthase Fo complex subunit a Neighboring gene 16S rRNA m(7)G527 methyltransferase Neighboring gene 5-carboxymethylaminomethyluridine-tRNA synthase subunit MnmG

Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. Construction and characterization of an Escherichia coli strain with a uncI mutation. Gay NJ. J Bacteriol, 1984 Jun. PMID 6327640, Free PMC Article
  2. The promoter-proximal, unstable IB region of the atp mRNA of Escherichia coli: an independently degraded region that can act as a destabilizing element. Schramm HC, et al. Biochim Biophys Acta, 1996 Jun 7. PMID 8679701
  3. Molecular imaging of Escherichia coli F0F1-ATPase in reconstituted membranes using atomic force microscopy. Takeyasu K, et al. FEBS Lett, 1996 Aug 26. PMID 8772185
  4. Translation of the first gene of the Escherichia coli unc operon. Selection of the start codon and control of initiation efficiency. Schneppe B, et al. J Biol Chem, 1991 Nov 5. PMID 1834655
  5. Detection and localization of the i protein in Escherichia coli cells using antibodies. Schneppe B, et al. FEBS Lett, 1991 Nov 4. PMID 1835698

See all (46) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. UncI is a chaperone-like protein that assists c(11)-ring assembly from c-monomers in the membrane
    Title: The product of uncI gene in F1Fo-ATP synthase operon plays a chaperone-like role to assist c-ring assembly.
  2. N-terminus verified by Edman degradation on mature peptide
    Title: Overproduction and purification of the uncI gene product of the ATP synthase of Escherichia coli.
Submit: New GeneRIF Correction

Homology

Gene Ontology Provided by EcoCyc

Process Evidence Code Pubs
involved_in monoatomic ion transport IEA
Inferred from Electronic Annotation
more info
  
involved_in proton transmembrane transport IEA
Inferred from Electronic Annotation
more info
  
Component Evidence Code Pubs
located_in plasma membrane IDA
Inferred from Direct Assay
more info
 PubMed 
located_in plasma membrane IEA
Inferred from Electronic Annotation
more info
  
part_of proton-transporting ATP synthase complex IEA
Inferred from Electronic Annotation
more info
  
Preferred Names
ATP synthase accessory factor AtpI

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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
    3922060..3922440 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_418195.2 ATP synthase accessory factor AtpI

    See identical proteins and their annotated locations for NP_418195.2

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A2X1JP46, W1WV32
    Conserved Domains (1) summary
    PRK08049
    Location:1 → 124
    PRK08049; F0F1 ATP synthase subunit I; Validated
Nucleotide Protein
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Gene LinkOut

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