Kbl

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  • Description: 2-amino-3-ketobutyrate CoA ligase

Gene name kbl
Synonyms
Essential no
Product 2-amino-3-ketobutyrate CoA ligase
Function threonine utilization
Gene expression levels in SubtiExpress: kbl
Metabolic function and regulation of this protein in SubtiPathways:
Lys, Thr
MW, pI 43 kDa, 6.25
Gene length, protein length 1176 bp, 392 aa
Immediate neighbours tdh, ymcB
Sequences Protein DNA Advanced_DNA
Genetic context
Kbl context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
Kbl expression.png



















Categories containing this gene/protein

utilization of amino acids

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU17000

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Acetyl-CoA + glycine = CoA + 2-amino-3-oxobutanoate (according to Swiss-Prot)
  • Protein family: class-II pyridoxal-phosphate-dependent aminotransferase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
    • pyridoxal-phosphate (according to Swiss-Prot)
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 1FC4 (from Escherichia coli, 40% identity, 60% similarity) PubMed
  • KEGG entry: [2]

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
  • Regulatory mechanism:
  • 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

Germán Plata, Tobias Fuhrer, Tzu-Lin Hsiao, Uwe Sauer, Dennis Vitkup
Global probabilistic annotation of metabolic networks enables enzyme discovery.
Nat Chem Biol: 2012, 8(10);848-54
[PubMed:22960854] [WorldCat.org] [DOI] (I p)

A Schmidt, J Sivaraman, Y Li, R Larocque, J A Barbosa, C Smith, A Matte, J D Schrag, M Cygler
Three-dimensional structure of 2-amino-3-ketobutyrate CoA ligase from Escherichia coli complexed with a PLP-substrate intermediate: inferred reaction mechanism.
Biochemistry: 2001, 40(17);5151-60
[PubMed:11318637] [WorldCat.org] [DOI] (P p)