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spoIVCB [2017-8-11 16:2:39]
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spoIVCB [2017-8-11 16:2:39]

RNA polymerase sporulation-specific sigma factor (sigma-K) (N-terminal half)
Locus
BSU25760
Isoelectric point
8.00
Molecular weight
17.00 kDa
Protein length
156 aa Sequence Blast
Gene length
468 bp Sequence Blast
Function
late mother cell-specific gene expression
Product
RNA polymerase sporulation-specific sigma factor (sigma-K) (N-terminal half)
Essential
no
Synonyms
cisB, sigK

Genomic Context

      
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Categories containing this gene/protein

Gene

Coordinates
2,652,993 → 2,653,463

The protein

Protein family

  • sigma-70 factor family (according to Swiss-Prot)
  • Expression and Regulation

    Operons

    Genes
    Description
    (composed of spoIVCB-spoIIIC) PubMed

    Sigma factors

  • SigE: sigma factor, PubMed, in SigE regulon
  • SigK: sigma factor, PubMed, in SigK regulon
  • Regulatory mechanism

  • GerE: repression, PubMed, in GerE regulon
  • SpoIIID: activation, PubMed, in SpoIIID regulon
  • ScoC: repression, PubMed, in ScoC regulon
  • Regulation

  • expressed during sporulation in the mother cell (SigE, SigK, GerE, SpoIIID) PubMed
  • Additional information

  • 'spoIVCB' and 'spoIIIC' form a composite gene in the mother cell during sporulation by excising the intervening DNA sequence.
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    Labs working on this gene/protein

  • Arthur Aronson, Purdue University, West Lafayette, USA homepage
  • Charles Moran, Emory University, NC, USA homepage
  • References

    Reviews

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    The SigK regulon

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    Original Publications

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