OdhA

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  • Description: 2-oxoglutarate dehydrogenase (E1 subunit)

Gene name odhA
Synonyms citK
Essential no
Product 2-oxoglutarate dehydrogenase (E1 subunit)
Function TCA cycle
Gene expression levels in SubtiExpress: odhA
Interactions involving this protein in SubtInteract: OdhA
Metabolic function and regulation of this protein in SubtiPathways:
Central C-metabolism
MW, pI 105 kDa, 5.871
Gene length, protein length 2823 bp, 941 aa
Immediate neighbours odhB, yojO
Sequences Protein DNA DNA_with_flanks
Genetic context
OdhA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
OdhA expression.png



















Categories containing this gene/protein

carbon core metabolism, phosphoproteins

This gene is a member of the following regulons

CcpA regulon

The gene

Basic information

  • Locus tag: BSU19370

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: 2-oxoglutarate + [dihydrolipoyllysine-residue succinyltransferase] lipoyllysine = [dihydrolipoyllysine-residue succinyltransferase] S-succinyldihydrolipoyllysine + CO2 (according to Swiss-Prot)
  • Protein family: 2-oxoacid dehydrogenase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
    • phosphorylated on Arg-66 and Arg-621 PubMed
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 2JGD (from Escherichia coli, 38% identity, 55% similarity) PubMed
  • KEGG entry: [3]

Additional information

  • extensive information on the structure and enzymatic properties of 2-oxoglutarate dehydrogenase can be found at Proteopedia

Expression and regulation

  • Regulation:
  • Regulatory mechanism:


  • Additional information:

Biological materials

  • Mutant: GP671 (spc), GP684 (cat), available in Stülke lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Reviews

K F Sheu, J P Blass
The alpha-ketoglutarate dehydrogenase complex.
Ann N Y Acad Sci: 1999, 893;61-78
[PubMed:10672230] [WorldCat.org] [DOI] (P p)

Original publications