Difference between revisions of "PdhB"

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= [[Categories]] containing this gene/protein =
 
= [[Categories]] containing this gene/protein =
 
{{SubtiWiki category|[[carbon core metabolism]]}},
 
{{SubtiWiki category|[[carbon core metabolism]]}},
 
{{SubtiWiki category|[[membrane proteins]]}},
 
{{SubtiWiki category|[[membrane proteins]]}},
{{SubtiWiki category|[[phosphoproteins]]}}
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{{SubtiWiki category|[[phosphoproteins]]}},
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[[most abundant proteins]]
  
 
= This gene is a member of the following [[regulons]] =
 
= This gene is a member of the following [[regulons]] =
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=== Additional information===
 
=== Additional information===
 
 
 
  
 
=The protein=
 
=The protein=
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* '''Kinetic information:''' Michaelis-Menten [http://www.ncbi.nlm.nih.gov/pubmed/6414463 PubMed]
 
* '''Kinetic information:''' Michaelis-Menten [http://www.ncbi.nlm.nih.gov/pubmed/6414463 PubMed]
  
* '''Domains:'''  
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* '''[[Domains]]:'''  
  
 
* '''Modification:''' phosphorylation on (Ser-302 OR Ser-306) [http://www.ncbi.nlm.nih.gov/sites/entrez/17218307 PubMed]
 
* '''Modification:''' phosphorylation on (Ser-302 OR Ser-306) [http://www.ncbi.nlm.nih.gov/sites/entrez/17218307 PubMed]
  
* '''Cofactor(s):'''
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* '''[[Cofactors]]:'''
  
 
* '''Effectors of protein activity:'''
 
* '''Effectors of protein activity:'''
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* '''Additional information:'''
 
* '''Additional information:'''
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** belongs to the 100 [[most abundant proteins]] {{PubMed|15378759}}
  
 
=Biological materials =
 
=Biological materials =
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<pubmed> 19476487 9655937 2227213 6805383 </pubmed>
 
<pubmed> 19476487 9655937 2227213 6805383 </pubmed>
 
==Original publications==
 
==Original publications==
<pubmed>9352926,,12850135 17218307 18763711 6414463 11976308</pubmed>
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<pubmed>9352926,15378759,12850135 17218307 18763711 6414463 11976308 </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 16:02, 5 March 2014

  • Description: pyruvate dehydrogenase (E1 beta subunit)

Gene name pdhB
Synonyms
Essential no
Product pyruvate dehydrogenase (E1 beta subunit)
Function links glycolysis and TCA cycle
Gene expression levels in SubtiExpress: pdhB
Interactions involving this protein in SubtInteract: PdhB
Metabolic function and regulation of this protein in SubtiPathways:
pdhB
MW, pI 35 kDa, 4.547
Gene length, protein length 975 bp, 325 aa
Immediate neighbours pdhA, pdhC
Sequences Protein DNA DNA_with_flanks
Genetic context
PdhB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PdhB expression.png















Categories containing this gene/protein

carbon core metabolism, membrane proteins, phosphoproteins, most abundant proteins

This gene is a member of the following regulons

stringent response

The gene

Basic information

  • Locus tag: BSU14590

Phenotypes of a mutant

  • defects in sporulation and unable to grow on glucose as single carbon source 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:

Extended information on the protein

  • Kinetic information: Michaelis-Menten PubMed
  • Modification: phosphorylation on (Ser-302 OR Ser-306) PubMed
  • 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)
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • expression activated by glucose (2.8-fold) PubMed
    • subject to negative stringent control upon amino acid limitation PubMed
  • Regulatory mechanism:
    • stringent response: due to presence of guanine at +1 position of the transcript PubMed

Biological materials

  • Mutant: GP459 (spc), available in Stülke lab
  • Expression vector:
  • lacZ fusion: pGP722 (in pAC5), available in Stülke lab
  • 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

Arthur Aronson, Purdue University, West Lafayette, USA homepage

Your additional remarks

References

Reviews

Original publications