RsiW

• Description: anti-SigW
  
  

Gene name	rsiW
Synonyms	ybbM
Essential	no
Product	anti-SigW
Function	control of SigW activity
MW, pI	23 kDa, 6.646
Gene length, protein length	624 bp, 208 aa
Immediate neighbours	sigW, ybbP
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU01740

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: anti-sigma-W factor family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity: degraded by RasP and PrsW under conditions of alkali shock or in the presence of antimicrobial peptides, respectively. This results in the release of SigW

• Interactions: PrsW-RsiW (proteolysis), RasP-RsiW (proteolysis), RsiW-SigW

• Localization: membrane (according to Swiss-Prot)

Database entries

• Structure:

• Swiss prot entry: Q45588

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: sigW-rsiW PubMed

• Sigma factor: SigW PubMed

• 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:
  • AbrB: transcription repression PubMed

• Additional information: the mRNA is very stable (half-life > 15 min) PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Thomas Wiegert, University of Bayreuth, Germany Homepage

References

Janine Heinrich, Tuula Lundén, Vesa P Kontinen, Thomas Wiegert
The Bacillus subtilis ABC transporter EcsAB influences intramembrane proteolysis through RasP.
Microbiology (Reading): 2008, 154(Pt 7);1989-1997
[PubMed:18599827] [WorldCat.org] [DOI] (P p)

Janine Heinrich, Thomas Wiegert
YpdC determines site-1 degradation in regulated intramembrane proteolysis of the RsiW anti-sigma factor of Bacillus subtilis.
Mol Microbiol: 2006, 62(2);566-79
[PubMed:17020587] [WorldCat.org] [DOI] (P p)

Stephan Zellmeier, Wolfgang Schumann, Thomas Wiegert
Involvement of Clp protease activity in modulating the Bacillus subtilissigmaw stress response.
Mol Microbiol: 2006, 61(6);1569-82
[PubMed:16899079] [WorldCat.org] [DOI] (P p)

Craig D Ellermeier, Richard Losick
Evidence for a novel protease governing regulated intramembrane proteolysis and resistance to antimicrobial peptides in Bacillus subtilis.
Genes Dev: 2006, 20(14);1911-22
[PubMed:16816000] [WorldCat.org] [DOI] (P p)

Susanne Schöbel, Stephan Zellmeier, Wolfgang Schumann, Thomas Wiegert
The Bacillus subtilis sigmaW anti-sigma factor RsiW is degraded by intramembrane proteolysis through YluC.
Mol Microbiol: 2004, 52(4);1091-105
[PubMed:15130127] [WorldCat.org] [DOI] (P p)

Mika Yoshimura, Kei Asai, Yoshito Sadaie, Hirofumi Yoshikawa
Interaction of Bacillus subtilis extracytoplasmic function (ECF) sigma factors with the N-terminal regions of their potential anti-sigma factors.
Microbiology (Reading): 2004, 150(Pt 3);591-599
[PubMed:14993308] [WorldCat.org] [DOI] (P p)

G Hambraeus, C von Wachenfeldt, L Hederstedt
Genome-wide survey of mRNA half-lives in Bacillus subtilis identifies extremely stable mRNAs.
Mol Genet Genomics: 2003, 269(5);706-14
[PubMed:12884008] [WorldCat.org] [DOI] (P p)

Min Cao, Tao Wang, Rick Ye, John D Helmann
Antibiotics that inhibit cell wall biosynthesis induce expression of the Bacillus subtilis sigma(W) and sigma(M) regulons.
Mol Microbiol: 2002, 45(5);1267-76
[PubMed:12207695] [WorldCat.org] [DOI] (P p)

Qiang Qian, Chien Y Lee, John D Helmann, Mark A Strauch
AbrB is a regulator of the sigma(W) regulon in Bacillus subtilis.
FEMS Microbiol Lett: 2002, 211(2);219-23
[PubMed:12076816] [WorldCat.org] [DOI] (P p)