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sacP [2017-8-11 16:0:3]
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sacP [2017-8-11 16:0:3]

trigger enzyme: sucrose-specific phosphotransferase system, EIIBC component of the PTS
locus
BSU38050
pI
7.03
mw
49.29 kDa
protein length
461 aa Sequence Blast
gene length
1383 bp Sequence Blast
function
sucrose uptake and phosphorylation, control of SacT activity
product
trigger enzyme: sucrose-specific phosphotransferase system, EIIBC component
essential
no
ec
2.7.1.69
synonyms
ipa-49d
Outlinks
KEGGBsubCycSubtiListUniProtExpression Browser

Genomic Context

      

categories

  • [category|SW 1|Cellular processes] → [category|SW 1.2|Transporters] → [category|SW 1.2.2|Phosphotransferase system] → [category|SW 1.2.2.2|Sugar specific PTS proteins]
  • [category|SW 2|Metabolism] → [category|SW 2.2|Carbon metabolism] → [category|SW 2.2.2|Utilization of specific carbon sources] → [category|SW 2.2.2.19|Utilization of sucrose]
  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.2|Transcription factors and their control] → [category|SW 3.4.2.4|Control of PRD-type regulators]
  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.3|Trigger enzyme] → [category|SW 3.4.3.1|Trigger enzymes of the PTS that control the activity of PRD-containing transcription factors]
  • [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]
  • [category|SW 6|Groups of genes] → [category|SW 6.4|Phosphoproteins] → [category|SW 6.4.3|Phosphorylation on a Cys residue]

    • Gene

    Coordinates
    3,903,646 → 3,905,031

    The protein

    Catalyzed reaction/ biological activity

  • Protein EIIB N(pi)-phospho-L-histidine/cysteine + sugar = protein EIIB + sugar phosphate (according to Swiss-Prot)

    • Protein family

  • [protein|14ED1AF5038F43F3B151FCBABE6CFC5A2DA3AA6E|PtsI] permease, sucrose permease (Scr) family [Pubmed|10627040]

    • [SW|Localization]

  • cell membrane (according to Swiss-Prot)

    • Expression and Regulation

    Operons

    genes
    [gene|AE02C38397AA790E4B216BB6DBABFE907B984D05|sacP]-[gene|8C2DD87E0351BBEE0FD8C0462087CCAD7459AA88|sacA]-[gene|803ED978141A0E09F1F9CAECAB4BA839D480241F|ywdA]
    description
    [Pubmed|3100393]

    sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|8702561], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]

    • regulatory mechanism

  • [protein|6796E1C147AA21E919A42A953884DC24E182F430|SacT]: antitermination, via binding to a [SW|RNA switch], in [regulon|6796E1C147AA21E919A42A953884DC24E182F430|SacT regulon]
  • [protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA]: repression, in [regulon|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA regulon]

    • regulation

  • induced by sucrose ([protein|search|SacT]) [Pubmed|2163394]
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    Biological materials

    Expression vector

  • for expression, purification of the EIIB domain in ''E. coli'' with N-terminal His-tag, in [SW|pWH844]: pGP429, available in [SW|Stülke] lab
  • for expression, purification of the EIIB domain in ''E. coli'' with N-terminal His-tag and thrombin cleavage site, in [SW|pGP570]: pGP436, available in [SW|Stülke] lab

    • References

  • 10627040,12107147,3122206,2163394,8702561,2120236,22900538