Difference between revisions of "PdhA"
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Revision as of 13:10, 16 May 2013
- Description: pyruvate dehydrogenase (E1 alpha subunit)
| Gene name | pdhA |
| Synonyms | aceA |
| Essential | yes |
| Product | pyruvate dehydrogenase (E1 alpha subunit) |
| Function | links glycolysis and TCA cycle |
| Gene expression levels in SubtiExpress: pdhA | |
| Interactions involving this protein in SubtInteract: PdhA | |
| Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism | |
| MW, pI | 41 kDa, 5.837 |
| Gene length, protein length | 1113 bp, 371 aa |
| Immediate neighbours | ykyA, pdhB |
| Sequences | Protein DNA DNA_with_flanks |
Genetic context 
This image was kindly provided by SubtiList
| |
Expression at a glance PubMed
| |
Contents
Categories containing this gene/protein
carbon core metabolism, essential genes
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU14580
Phenotypes of a mutant
- pdhA is essential PubMed
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: Pyruvate + [dihydrolipoyllysine-residue acetyltransferase] lipoyllysine = [dihydrolipoyllysine-residue acetyltransferase] S-acetyldihydrolipoyllysine + CO2 (according to Swiss-Prot)
- Protein family:
- Paralogous protein(s):
Extended information on the protein
- Kinetic information: Michaelis-Menten PubMed
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Inhibited thiamine 2-thiothiazolone diphosphate and NADH PubMed
- Low sensibility to NADPH
Database entries
- Structure: 1W88 (E1 in complex with subunit binding domain of E2, Geobacillus stearothermophilus)
- UniProt: P21881
- KEGG entry: [3]
- E.C. number: 1.2.4.1
Additional information
Expression and regulation
- Regulation:
- Regulatory mechanism:
- stringent response: due to presence of guanine at +1 position of the transcript PubMed
- Additional information:
- The mRNA has a long 5' leader region. This may indicate RNA-based regulation PubMed
Biological materials
- Mutant:
- Expression vector:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Arthur Aronson, Purdue University, West Lafayette, USA homepage
Your additional remarks
References
Reviews
Kai Tittmann
Reaction mechanisms of thiamin diphosphate enzymes: redox reactions.
FEBS J: 2009, 276(9);2454-68
[PubMed:19476487]
[WorldCat.org]
[DOI]
(I p)
U Neveling, S Bringer-Meyer, H Sahm
Gene and subunit organization of bacterial pyruvate dehydrogenase complexes.
Biochim Biophys Acta: 1998, 1385(2);367-72
[PubMed:9655937]
[WorldCat.org]
[DOI]
(P p)
M S Patel, T E Roche
Molecular biology and biochemistry of pyruvate dehydrogenase complexes.
FASEB J: 1990, 4(14);3224-33
[PubMed:2227213]
[WorldCat.org]
[DOI]
(P p)
P A Frey
Mechanism of coupled electron and group transfer in Escherichia coli pyruvate dehydrogenase.
Ann N Y Acad Sci: 1982, 378;250-64
[PubMed:6805383]
[WorldCat.org]
[DOI]
(P p)
Original publications
