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

homoserine kinase
locus
BSU32240
pI
4.74
mw
33.17 kDa
protein length
309 aa Sequence Blast
gene length
927 bp Sequence Blast
function
biosynthesis of threonine
product
homoserine kinase
essential
no
ec
2.7.1.39
synonyms
thrA
Outlinks
KEGGBsubCycSubtiListUniProtExpression Browser

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.1|Biosynthesis/ acquisition of amino acids] → [category|SW 2.3.1.6|Biosynthesis/ acquisition of lysine/ threonine]

    • Gene

    Coordinates
    3,312,844 → 3,313,773

    The protein

    Catalyzed reaction/ biological activity

  • ATP + L-homoserine = ADP + O-phospho-L-homoserine (according to Swiss-Prot)

    • Protein family

  • Homoserine kinase subfamily (according to Swiss-Prot)

    • Structure

  • [PDB|3HUL] (from ''Listeria monocytogenes'', 41% identity, 61% similarity)

    • [SW|Localization]

  • cytoplasm (according to Swiss-Prot)

    • Expression and Regulation

    Operons

    genes
    [gene|0F40291BB10DB6D7DFD94B9C7D700F4410C4EE69|yutH]-[gene|11421D5BD3AB6C205DDA0864F878E2B04340033F|hom]-[gene|4A839F8A53DF75DF01FE410EBD3361759C3B1C86|thrC]-[gene|290302BA8A4E44C62AE3071C1F7DE18B20605607|thrB]
    description
    [Pubmed|22383849]

    regulation

  • expressed during [SW|sporulation] [Pubmed|22383849]
    • view in new tab

    genes
    [gene|11421D5BD3AB6C205DDA0864F878E2B04340033F|hom]-[gene|4A839F8A53DF75DF01FE410EBD3361759C3B1C86|thrC]-[gene|290302BA8A4E44C62AE3071C1F7DE18B20605607|thrB]
    description
    [Pubmed|12107147]

    regulatory mechanism

  • [protein|90ACE0DECA58D3C1A55E135120F7A0C1C920571C|CodY]: repression, [Pubmed|24163341], in [regulon|90ACE0DECA58D3C1A55E135120F7A0C1C920571C|CodY regulon]
  • [protein|857EF1AC54DEA0690C01B7F8CEFFD16312C58F20|TnrA]: repression, [Pubmed|25755103], in [regulon|857EF1AC54DEA0690C01B7F8CEFFD16312C58F20|TnrA regulon]
  • [protein|A4B7CF7A1C704C750AFAD97A43AF975260935083|ThrR]: repression, [Pubmed|27260660], in [regulon|A4B7CF7A1C704C750AFAD97A43AF975260935083|ThrR regulon]

    • regulation

  • expressed in the presence of lysine or cysteine ([SW|ThrR]) [Pubmed|27260660]
    • view in new tab

    References

  • 12107147,3098560,24163341,27260660