Difference between revisions of "Tpi"

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(Expression and regulation)
(Expression and regulation)
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* '''Sigma factor:''' [[SigA]]
 
* '''Sigma factor:''' [[SigA]]
  
* '''Regulation:''' expression activated by glucose (2.77) [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed]   
+
* '''Regulation:''' expression activated by glucose (2.8 Fold) [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed]   
 
**''[[cggR]]'': neg. regulated by [[CggR]] [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+11489127 PubMed], induced by sugar
 
**''[[cggR]]'': neg. regulated by [[CggR]] [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+11489127 PubMed], induced by sugar
 
**''[[pgk]]'': constitutive [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+11489127 PubMed]
 
**''[[pgk]]'': constitutive [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+11489127 PubMed]

Revision as of 08:15, 2 April 2009

  • Description: triose phosphate isomerase, glycolytic/ gluconeogenic enzyme

Gene name tpi
Synonyms tpiA
Essential yes
Product triosephosphate isomerase
Function enzyme in glycolysis/ gluconeogenesis
MW, pI 26,9 kDa, 4.79
Gene length, protein length 759 bp, 253 amino acids
Immediate neighbours pgk, pgm
Gene sequence (+200bp) Protein sequence
Genetic context
Tpi context.gif
This image was kindly provided by SubtiList




The gene

Basic information

  • Coordinates: 3478439 - 3479197

Phenotypes of a mutant

essential PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: D-glyceraldehyde 3-phosphate = dihydroxyacetone phosphate
  • Protein family: triosephosphate isomerase family
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylation on Ser-213 PubMed
  • Cofactor(s):
  • Effectors of protein activity: inhibited by 2-phosphoglycolate (in B. stearothermophilus) PubMed
  • Interactions:
  • Localization: cytoplasm PubMed

Database entries

  • Structure: complex with 2-phosphpoglycolic acid, Geobacillus stearothermophilus NCBI
  • Swiss prot entry: [3]
  • KEGG entry: [4]
  • E.C. number: [5]

Additional information

Expression and regulation

  • Regulatory mechanism: transcription repression by CggR PubMed
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector: pGP394 (N-terminal His-tag, in pWH844), pGP89 (N-terminal Strep-tag, for SPINE, expression in B. subtilis), available in Stülke lab
  • 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

  1. Blencke et al. (2003) Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways. Metab Eng. 5: 133-149 PubMed
  2. Ludwig, H., Homuth, G., Schmalisch, M., Dyka, F. M., Hecker, M., and Stülke, J. (2001) Transcription of glycolytic genes and operons in Bacillus subtilis: evidence for the presence of multiple levels of control of the gapA operon. Mol Microbiol 41, 409-422.PubMed
  3. Jannière, L., Canceill, D., Suski, C., Kanga, S., Dalmais, B., Lestini, R., Monnier, A. F., Chapuis, J., Bolotin, A., Titok, M., Le Chatelier, E., and Ehrlich, S. D. (2007) Genetic evidence for a link between glycolysis and DNA replication. PLoS ONE 2, e447. PubMed
  4. Leyva-Vazquez, M. A., and Setlow, P. (1994) Cloning and nucleotide sequences of the genes encoding triose phosphate isomerase, phosphoglycerate mutase, and enolase from Bacillus subtilis. J Bacteriol 176: 3903-3910. PubMed
  5. Macek et al. (2007) The serine/ threonine/ tyrosine phosphoproteome of the model bacterium Bacillus subtilis. Mol. Cell. Proteomics 6: 697-707 PubMed