GabR

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  • Description: transcription activator of gabT-gabD, repressor of gabR

Gene name gabR
Synonyms ycnF
Essential no
Product transcription regulator
Function regulation of gamma-amino butyric acid utilization
Gene expression levels in SubtiExpress: gabR
MW, pI 54 kDa, 6.709
Gene length, protein length 1437 bp, 479 aa
Immediate neighbours yczG, gabT
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
GabR context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
GabR expression.png
























Categories containing this gene/protein

utilization of amino acids, transcription factors and their control

This gene is a member of the following regulons

GabR regulon

The GabR regulon:

The gene

Basic information

  • Locus tag: BSU03890

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • transcription activation of the gabT-gabD operon, transcription repression of gabR PubMed
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
    • activation of gabT-gabD expression is triggered by gamma-amino butyrate and pyridoxalphosphate PubMed

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
    • GabR: negative autoregulation PubMed
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Boris R Belitsky
Bacillus subtilis GabR, a protein with DNA-binding and aminotransferase domains, is a PLP-dependent transcriptional regulator.
J Mol Biol: 2004, 340(4);655-64
[PubMed:15223311] [WorldCat.org] [DOI] (P p)

Boris R Belitsky, Abraham L Sonenshein
GabR, a member of a novel protein family, regulates the utilization of gamma-aminobutyrate in Bacillus subtilis.
Mol Microbiol: 2002, 45(2);569-83
[PubMed:12123465] [WorldCat.org] [DOI] (P p)