Tpi

From SubtiWiki
Revision as of 15:49, 2 June 2009 by Sroppel (talk | contribs)
Jump to: navigation, search
  • 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
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
Tpi context.gif
This image was kindly provided by SubtiList




The gene

Basic information

  • Locus tag:

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 = glycerone phosphate (according to Swiss-Prot) D-glyceraldehyde 3-phosphate = dihydroxyacetone phosphate
  • Protein family: triosephosphate isomerase family (according to Swiss-Prot) 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 (according to Swiss-Prot), cytoplasm PubMed

Database entries

  • Structure: 1BTM (complex with 2-phosphoglycolic acid, Geobacillus stearothermophilus), complex with 2-phosphpoglycolic acid, Geobacillus stearothermophilus NCBI

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