Difference between revisions of "YbgE"

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Revision as of 08:25, 8 August 2012

  • Description: branched-chain amino acid aminotransferase

Gene name ybgE
Synonyms
Essential no
Product branched-chain amino acid aminotransferase
Function biosynthesis of branched-chain amino acids
Metabolic function and regulation of this protein in SubtiPathways:
Lipid synthesis, Ile, Leu, Val, Coenzyme A
MW, pI 39 kDa, 4.952
Gene length, protein length 1068 bp, 356 aa
Immediate neighbours ybgB, ybgF
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YbgE context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
YbgE expression.png
































Categories containing this gene/protein

biosynthesis/ acquisition of amino acids

This gene is a member of the following regulons

CodY regulon

The gene

Basic information

  • Locus tag: BSU02390

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: l-leucine + 2-oxoglutarate = 4-methyl-2-oxopentanoate + L-glutamate (according to Swiss-Prot)
  • Protein family: class-IV pyridoxal-phosphate-dependent aminotransferase family (according to Swiss-Prot)
  • Paralogous protein(s): YwaA

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
    • repressed by casamino acids PubMed
    • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Expression vector:
  • lacZ fusion: pGP248 (in pAC5), available in Stülke lab
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References