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

transcription repressor of threonine biosynthetic gene
locus
BSU27910
pI
6.36
mw
16.52 kDa
protein length
147 aa Sequence Blast
gene length
441 bp Sequence Blast
function
control of threonine biosynthesis
product
transcription repressor of threonine biosynthetic gene
essential
no
synonyms
pheB,yszB
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]
  • [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 3.4.2.5|Transcription factors/ other]

    • Gene

    Coordinates
    2,852,157 → 2,852,600

    The protein

    Catalyzed reaction/ biological activity

  • control of the threonine biosynthetic genes (''[gene|11421D5BD3AB6C205DDA0864F878E2B04340033F|hom]-[gene|4A839F8A53DF75DF01FE410EBD3361759C3B1C86|thrC]-[gene|290302BA8A4E44C62AE3071C1F7DE18B20605607|thrB]'' and ''[gene|548E92526BC00999031D6EDE43FE061CE0448AFC|thrD]'') [Pubmed|27260660]

    • Protein family

  • UPF0735 family (according to Swiss-Prot)

    • [SW|Domains]

  • putative DNA binding signature (aa 19-51)
  • ACT (aspartate kinase-chorismate mutase-tyrA) domain (aa 70-145)

    • Effectors of protein activity

  • lysine and cysteine (indirectly) inhibit DNA-binding activity of ThrR [Pubmed|27260660]

    • Expression and Regulation

    Operons

    genes
    [gene|29D91115BB3AC03538D618E54A5A57F92777EFF6|spo0B]-[gene|84E7D672DB40B114DC4D96A4D8834958B47401A7|obg]-[gene|A4B7CF7A1C704C750AFAD97A43AF975260935083|thrR]-[gene|D4CCF6727AAC048792E59717E588C36EB617249D|pheA]
    description
    [Pubmed|22383849]

    sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|2537815], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]

    • additional information

  • expression is repressed by binding of [SW|RpoE] to the A-rich sequence in the -35 region of the promoter [Pubmed|27679485]
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    Biological materials

    Mutant

  • BKE27910 (''[gene|A4B7CF7A1C704C750AFAD97A43AF975260935083|thrR]''::''erm'', available in the BGSC and in [SW|Jörg Stülke]'s and [SW|Fabian Commichau]'s labs) [Pubmed|27260660]

    • Expression vector

  • pBP323 (N-terminal Strep-tag, in [SW|pGP172]) (available in [SW|Fabian Commichau]'s lab) [Pubmed|27260660]
  • pBP620 (N-terminal Strep-tag, for [SW|SPINE], purification from ''B. subtilis'', in [SW|pGP380]) (available in [SW|Fabian Commichau]'s lab) [Pubmed|27260660]
  • pBP622 (C-terminal Strep-tag, for [SW|SPINE], purification from ''B. subtilis'', in [SW|pGP382]) (available in [SW|Fabian Commichau]'s lab) [Pubmed|27260660]

    • two-hybrid system

  • ''B. pertussis'' adenylate cyclase-based bacterial two hybrid system ([SW|BACTH]), available in [SW|Fabian Commichau]'s lab [Pubmed|27260660]

    • References

  • 2537815,25777134,27260660