SubtiBank SubtiBank
tpi

tpi

triose phosphate isomerase, glycolytic/ gluconeogenic enzyme
locus
BSU33920
pI
4.79
mw
26.88 kDa
protein length
253 aa Sequence Blast
gene length
759 bp Sequence Blast
function
enzyme in glycolysis/ gluconeogenesis
product
triosephosphate isomerase
essential
no
ec
5.3.1.1
synonyms
tpiA

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.2|Carbon metabolism] → [category|SW 2.2.1|Carbon core metabolism] → [category|SW 2.2.1.1|Glycolysis]
  • [category|SW 2|Metabolism] → [category|SW 2.2|Carbon metabolism] → [category|SW 2.2.1|Carbon core metabolism] → [category|SW 2.2.1.2|Gluconeogenesis]
  • [category|SW 6|Groups of genes] → [category|SW 6.4|Phosphoproteins] → [category|SW 6.4.5|Phosphorylation on a Ser residue]
  • Gene

    Coordinates
    3,479,405 → 3,480,166

    Phenotypes of a mutant

  • essential [Pubmed|12682299], non-essential according to [Pubmed|23420519]
  • The protein

    Catalyzed reaction/ biological activity

  • D-glyceraldehyde 3-phosphate = dihydroxyacetone phosphate (according to Swiss-Prot)
  • Protein family

  • triosephosphate isomerase family (according to Swiss-Prot)
  • Modification

  • phosphorylation on Ser-213 [Pubmed|17218307]
  • Effectors of protein activity

  • inhibited by 2-phosphoglycolate (in ''B. stearothermophilus'') [Pubmed|8580851]
  • Structure

  • [PDB|1BTM] (complex with 2-phosphoglycolic acid, Geobacillus stearothermophilus), complex with 2-phosphpoglycolic acid, ''Geobacillus stearothermophilus'' [http://www.ncbi.nlm.nih.gov/Structure/mmdb/mmdbsrv.cgi?Dopt=s&uid=48255 NCBI]
  • [SW|Localization]

  • cytoplasm (homogeneously distributed throughout the cell) [Pubmed|24825009,16479537]
  • Additional information

  • extensive information on the structure and enzymatic properties of Tpi can be found at [http://www.proteopedia.org/wiki/index.php/Triose_Phosphate_Isomerase Proteopedia]
  • belongs to the 100 [SW|most abundant proteins] [PubMed|15378759]
  • Expression and Regulation

    Operons

    genes
    [gene|ADA6F2EDC7B18FDFFA47CC8C55BCDDE1B6821160|cggR]-[gene|EB6512177418B1601C6641FB2DEE99C2CD10E671|gapA]-[gene|ECF0F2E906BF94F509817752827CA189AFBE53FE|pgk]-[gene|0B5E910DC94463E34ABD393E3A8F20191E4A38B2|tpi]-[gene|C86FB523451AC172A20801829B717E5A5F914211|pgm]-[gene|67651D5D3122A89F57F9E7D49074C82A8990A277|eno]
    description
    [Pubmed|11489127]

    sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|11489127], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]
  • regulatory mechanism

  • [protein|ADA6F2EDC7B18FDFFA47CC8C55BCDDE1B6821160|CggR]: repression, [Pubmed|11489127], in [regulon|ADA6F2EDC7B18FDFFA47CC8C55BCDDE1B6821160|CggR regulon]
  • regulation

  • ''[protein|search|cggR]'': induced by glycolytic substrates [protein|search|CggR] [Pubmed|11489127]
  • view in new tab

    genes
    [gene|ECF0F2E906BF94F509817752827CA189AFBE53FE|pgk]-[gene|0B5E910DC94463E34ABD393E3A8F20191E4A38B2|tpi]-[gene|C86FB523451AC172A20801829B717E5A5F914211|pgm]-[gene|67651D5D3122A89F57F9E7D49074C82A8990A277|eno]
    description
    [Pubmed|11489127]
    view in new tab

    Biological materials

    Mutant

  • GP700 (cat), available in [SW|Jörg Stülke]'s lab, [Pubmed|23420519]
  • Expression vector

  • pGP394 (N-terminal His-tag, in [SW|pWH844]), available in [SW|Jörg Stülke]'s lab
  • pGP89 (N-terminal Strep-tag, for [SW|SPINE], expression in B. subtilis), available in [SW|Jörg Stülke]'s lab, [pubmed|19193632]
  • pGP1511 (expression in ''B. subtilis'', in [SW|pBQ200]), available in [SW|Jörg Stülke]'s lab
  • two-hybrid system

  • ''B. pertussis'' adenylate cyclase-based bacterial two hybrid system ([SW|BACTH]), available in [SW|Jörg Stülke]'s lab, [pubmed|19193632]
  • References

  • 12850135,11489127,17505547,8021172,17218307,8580851,19193632,21821766,23420519,15378759,24825009