Difference between revisions of "SigW"

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|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://subtiwiki.uni-goettingen.de/apps/expression/ ''Subti''Express]''': [http://subtiwiki.uni-goettingen.de/apps/expression/expression.php?search=BSU01730 sigW]
 
|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://subtiwiki.uni-goettingen.de/apps/expression/ ''Subti''Express]''': [http://subtiwiki.uni-goettingen.de/apps/expression/expression.php?search=BSU01730 sigW]
 
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Interactions involving this protein in [http://cellpublisher.gobics.de/subtinteract/startpage/start/ ''Subt''Interact]''': [http://cellpublisher.gobics.de/subtinteract/interactionList/2/SigW SigW]
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Interactions involving this protein in [http://subtiwiki.uni-goettingen.de/interact/ ''Subt''Interact]''': [http://subtiwiki.uni-goettingen.de/interact/index.php?protein=SigW SigW]
 
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|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 21 kDa, 8.614   
 
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 21 kDa, 8.614   

Revision as of 15:04, 11 November 2013

  • Description: RNA polymerase ECF-type sigma factor SigW, activated by alkaline shock and by polymyxin B, vancomycin, cephalosporin C, D-cycloserine, and triton X-100

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
Gene expression levels in SubtiExpress: sigW
Interactions involving this protein in SubtInteract: SigW
MW, pI 21 kDa, 8.614
Gene length, protein length 561 bp, 187 aa
Immediate neighbours trnSL-Gln2, rsiW
Sequences Protein DNA DNA_with_flanks
Genetic context
SigW context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
SigW expression.png















Categories containing this gene/protein

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

This gene is a member of the following regulons

AbrB regulon, SigW regulon

The SigW regulon

The gene

Basic information

  • Locus tag: BSU01730

Phenotypes of a mutant

  • sensitive to ß-lactam antibiotics such as cefuroxime and to fosfomycin PubMed
  • Inactivation of alsR, sigD and sigW increases competitive fitness of Bacillus subtilis under non-sporulating conditions PubMed

Database entries

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

Additional information

  • A mutation was found in this gene after evolution under relaxed selection for sporulation PubMed

The protein

Basic information/ Evolution

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

Extended information on the protein

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

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

Reviews

The SigW regulon

Other original publications