SigB

• Description: RNA polymerase sigma factor SigB
  
  

Gene name	sigB
Synonyms	rpoF
Essential	no
Product	RNA polymerase sigma factor SigB
Function	general stress response
MW, pI	29 kDa, 5.418
Gene length, protein length	792 bp, 264 aa
Immediate neighbours	rsbW, rsbX
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: BSU04730

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: SigB subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Genes/ operons controlled by SigB

csbB, ctc, gsiB, katE, lexA,licR, sfA, xpf, yaaH, ydeC, ytzE, yvaN, ywhH,

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: SigB-RsbW

• Localization:

Database entries

• Structure:

• Swiss prot entry: P06574

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:
  • rsbR-rsbS-rsbT-rsbU-rsbV-rsbW-sigB-rsbX PubMed
  • rsbV-rsbW-sigB-rsbX PubMed

• Sigma factor:
  • rsbR: SigA PubMed
  • rsbV: SigB PubMed

• Regulation:
  • rsbV: induced by stress (SigB) PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

• Bill Haldenwang, San Antonio, USA
• Chet Price, Davis, USA homepage

References

1. Höper et al. (2005) Comprehensive Characterization of the Contribution of Individual SigB-Dependent General Stress Genes to Stress Resistance of Bacillus subtilis. J. Bact. 187: 2810-2826 PubMed
2. Petersohn, A., Bernhardt, J., Gerth, U., Höper, D., Koburger, T., Völker, U. and Hecker, M. 1999. Identification of sigma(B)-dependent genes in Bacillus subtilis using a promoter consensus-directed search and oligonucleotide hybridization. J. Bacteriol. 181: 5718-5724. PubMed
3. Petersohn, A., Brigulla, M., Haas, S., Hoheisel, J. D., Völker, U. and Hecker, M. 2001. Global analysis of the general stress reponse of Bacillus subtilis. J. Bacteriol. 183: 5617-5631. PubMed
4. Price, C. W., Fawcett, P., Cérémonie, H., Su, N., Murphy, C. K. and Youngman, P. 2001. Genome-wide analysis of the general stress response in Bacillus subtilis. Mol. Microbiol. 41: 757-774. PubMed
5. Ollington, J. F., Haldenwang, W. G., Huynh, T. V. and Losick, R. 1981. Developmentally regulated transcription in a cloned segment of the Bacillus subtilis chromosome. J. Bacteriol. 147: 432-442. PubMed
6. Haldenwang, W. G. & Losick, R. (1979). A modified RNA polymerase transcribes a cloned gene under sporulation control in Bacillus subtilis. Nature 282, 256-260 PubMed
7. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed