Difference between revisions of "YwaA"

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* '''Additional information:'''
 
* '''Additional information:'''
 
** belongs to the 100 [[most abundant proteins]] {{PubMed|15378759}}
 
** belongs to the 100 [[most abundant proteins]] {{PubMed|15378759}}
 +
** number of protein molecules per cell (minimal medium with glucose and ammonium): 1220 {{PubMed|24696501}}
 +
** number of protein molecules per cell (complex medium with amino acids, without glucose): 1733 {{PubMed|24696501}}
  
 
=Biological materials =
 
=Biological materials =

Revision as of 09:29, 17 April 2014

  • Description: branched-chain amino acid aminotransferase

Gene name ywaA
Synonyms ipa-0r
Essential no
Product branched-chain amino acid aminotransferase
Function biosynthesis of branched-chain amino acids
Gene expression levels in SubtiExpress: ywaA
Metabolic function and regulation of this protein in SubtiPathways:
ywaA
MW, pI 40 kDa, 4.952
Gene length, protein length 1089 bp, 363 aa
Immediate neighbours dltE, licH
Sequences Protein DNA DNA_with_flanks
Genetic context
YwaA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
YwaA expression.png















Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, most abundant proteins

This gene is a member of the following regulons

CodY regulon

The gene

Basic information

  • Locus tag: BSU38550

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): YbgE

Extended information on the protein

  • Kinetic information:
  • Modification: S-cysteinylation after diamide stress (C104) PubMed
  • Effectors of protein activity:

Database entries

  • Structure: 3HT5 (from Mycobacterium tuberculosis, 42% identity, 58% similarity) PubMed
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
  • Regulatory mechanism:
  • Additional information:
    • belongs to the 100 most abundant proteins PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 1220 PubMed
    • number of protein molecules per cell (complex medium with amino acids, without glucose): 1733 PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References