SigW

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Gene name sigW
Synonyms ybbL
Essential no
Product RNA polymerase ECF-type sigma factor SigW
Function resistance against SdpC
that functions in detoxification and/or
production of antimicrobial compounds
MW, pI 21 kDa, 8.614
Gene length, protein length 561 bp, 187 aa
Immediate neighbours trnSL-Gln2, ybbM
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
SigW context.gif
This image was kindly provided by SubtiList





Categories containing this gene/protein

transcription, sigma factors and their control, cell envelope stress proteins (controlled by SigM, W, X, Y)

This gene is a member of the following regulons

AbrB regulon, SigW regulon

The gene

Basic information

  • Locus tag: BSU01730

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: ECF subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Genes controlled by SigW

abh, pbpE-racX,xpaC-yaaN, yteI, yuaG, yknXYZ, ydjP, yfhM

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity: RsiW acts as antagonist of SigW (anti-SigW)
  • Localization:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
    • induced under conditions of alkali shock or in the presence of the toxin SdpC (SigW) PubMed
    • repressed during logrithmic growth (AbrB) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

John Helmann, Cornell University, USA Homepage

Thomas Wiegert, University of Bayreuth, Germany Homepage

Your additional remarks

References