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trkG K(+) transporter TrkG [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 945932, updated on 15-Oct-2023

Summary

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Gene symbol
trkG
Gene description
K(+) transporter TrkG
Primary source
ASAP:ABE-0004567
Locus tag
b1363
See related
ECOCYC:EG11020
Gene type
protein coding
RefSeq status
PROVISIONAL
Organism
Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
Lineage
Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
Also known as
ECK1362
Summary
Although normally required for Trk activity, overproduction of TrkG or TrkH alone increases K+ transport in a trkA mutant strain (Buurman, 2004). [More information is available at EcoGene: EG11020]. TrkG is a potassium ion transporter, closely related to the TrkH potassium ion transporter. [More information is available at EcoCyc: EG11020].
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Genomic context

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Sequence:
NC_000913.3 (1423782..1425239)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene putative uncharacterized protein YdaW Neighboring gene pseudo Neighboring gene putative prophage outer membrane lipoprotein RzoR Neighboring gene ParB-like nuclease domain-containing protein YnaK Neighboring gene putative uncharacterized protein YdaY Neighboring gene putative prophage tail length tape measure domain-containing protein YnaA Neighboring gene pseudo

Genomic regions, transcripts, and products

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Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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Related articles in PubMed

  1. Two Trk/Ktr/HKT-type potassium transporters, TrkG and TrkH, perform distinct functions in Escherichia coli K-12. Tanudjaja E, et al. J Biol Chem, 2023 Feb. PMID 36586436, Free PMC Article
  2. Characterization and function analysis of a Halo-alkaline-adaptable Trk K+ uptake system in Alkalimonas amylolytica strain N10. Guo Y, et al. Sci China C Life Sci, 2009 Oct. PMID 19911131
  3. [ATPase activity and K+ transport in membranes of anaerobically grown trk-mutants of Escherichia coli]. Trchunian AA, et al. Biokhimiia, 1993 Jul. PMID 8364123
  4. Energy coupling to K+ uptake via the Trk system in Escherichia coli: the role of ATP. Stewart LM, et al. J Gen Microbiol, 1985 Jan. PMID 3886836
  5. Genetic analysis of potassium transport loci in Escherichia coli: evidence for three constitutive systems mediating uptake potassium. Dosch DC, et al. J Bacteriol, 1991 Jan. PMID 1987159, Free PMC Article

See all (28) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. Two Trk/Ktr/HKT-type potassium transporters, TrkG and TrkH, perform distinct functions in Escherichia coli K-12.
    Title: Two Trk/Ktr/HKT-type potassium transporters, TrkG and TrkH, perform distinct functions in Escherichia coli K-12.
  2. Complementation experiments revealed that Aa-TrkA and Aa-TrkH from A. amylolytica strain N10 restored the ability to grow at low K(+) concentration in E. coli DeltatrkA and DeltatrkG DeltatrkH strains, respectively.
    Title: Characterization and function analysis of a Halo-alkaline-adaptable Trk K+ uptake system in Alkalimonas amylolytica strain N10.
Submit: New GeneRIF Correction

General gene information

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Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables metal ion binding IEA
Inferred from Electronic Annotation
more info
  
enables monoatomic cation transmembrane transporter activity IEA
Inferred from Electronic Annotation
more info
  
enables potassium channel activity ISS
Inferred from Sequence or Structural Similarity
more info
  
enables potassium ion binding ISS
Inferred from Sequence or Structural Similarity
more info
  
enables potassium ion transmembrane transporter activity IMP
Inferred from Mutant Phenotype
more info
 PubMed 
enables potassium:chloride symporter activity IEA
Inferred from Electronic Annotation
more info
  
Process Evidence Code Pubs
involved_in metal ion transport IEA
Inferred from Electronic Annotation
more info
  
involved_in monoatomic cation transport IEA
Inferred from Electronic Annotation
more info
  
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
  
involved_in potassium ion transmembrane transport IEA
Inferred from Electronic Annotation
more info
  
involved_in potassium ion transmembrane transport ISS
Inferred from Sequence or Structural Similarity
more info
  
involved_in potassium ion transport IEA
Inferred from Electronic Annotation
more info
  
involved_in transmembrane transport IEA
Inferred from Electronic Annotation
more info
  
Component Evidence Code Pubs
located_in membrane IEA
Inferred from Electronic Annotation
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
  
located_in plasma membrane ISM
Inferred from Sequence Model
more info
 PubMed 

General protein information

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Preferred Names
K(+) transporter TrkG

NCBI Reference Sequences (RefSeq)

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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
    1423782..1425239
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_415881.1 K(+) transporter TrkG [Escherichia coli str. K-12 substr. MG1655]

    See identical proteins and their annotated locations for NP_415881.1

    Status: PROVISIONAL

    UniProtKB/TrEMBL
    A0A6L7CAH4
    Conserved Domains (1) summary
    pfam02386
    Location:51 → 485
    TrkH; Cation transport protein
Nucleotide Protein
Heading Accession and Version

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