SigA
- Description: RNA polymerase major sigma factor SigA
| Gene name | sigA |
| Synonyms | rpoD, crsA |
| Essential | yes PubMed |
| Product | RNA polymerase major sigma factor SigA |
| Function | transcription |
| MW, pI | 42 kDa, 4.634 |
| Gene length, protein length | 1113 bp, 371 aa |
| Immediate neighbours | cccA, antE |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
| |
Contents
The gene
Basic information
- Locus tag: BSU25200
Phenotypes of a mutant
essential PubMed
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity:
- Protein family: sigma-70 factor family (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Localization: cell membrane (according to Swiss-Prot)
Database entries
- Structure:
- UniProt: P06224
- KEGG entry: [3]
- E.C. number:
Additional information
Expression and regulation
- Regulation:
- Regulatory mechanism:
- Additional information:
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
- Charles Moran, Emory University, NC, USA homepage
Your additional remarks
References
2
Elecia B Johnston, Peter J Lewis, Renate Griffith
The interaction of Bacillus subtilis sigmaA with RNA polymerase.
Protein Sci: 2009, 18(11);2287-97
[PubMed:19735077]
[WorldCat.org]
[DOI]
(I p)
Steve D Seredick, George B Spiegelman
The Bacillus subtilis response regulator Spo0A stimulates sigmaA-dependent transcription prior to the major energetic barrier.
J Biol Chem: 2004, 279(17);17397-403
[PubMed:14976210]
[WorldCat.org]
[DOI]
(P p)
Amrita Kumar, James A Brannigan, Charles P Moran
Alpha-helix E of Spo0A is required for sigmaA- but not for sigmaH-dependent promoter activation in Bacillus subtilis.
J Bacteriol: 2004, 186(4);1078-83
[PubMed:14762002]
[WorldCat.org]
[DOI]
(P p)
Amrita Kumar, Cindy Buckner Starke, Mark DeZalia, Charles P Moran
Surfaces of Spo0A and RNA polymerase sigma factor A that interact at the spoIIG promoter in Bacillus subtilis.
J Bacteriol: 2004, 186(1);200-6
[PubMed:14679239]
[WorldCat.org]
[DOI]
(P p)
Claudia Rollenhagen, Haike Antelmann, Janine Kirstein, Olivier Delumeau, Michael Hecker, Michael D Yudkin
Binding of sigma(A) and sigma(B) to core RNA polymerase after environmental stress in Bacillus subtilis.
J Bacteriol: 2003, 185(1);35-40
[PubMed:12486038]
[WorldCat.org]
[DOI]
(P p)
Hanne Jarmer, Thomas S Larsen, Anders Krogh, Hans Henrik Saxild, Søren Brunak, Steen Knudsen
Sigma A recognition sites in the Bacillus subtilis genome.
Microbiology (Reading): 2001, 147(Pt 9);2417-2424
[PubMed:11535782]
[WorldCat.org]
[DOI]
(P p)
J Qiu, J D Helmann
Adenines at -11, -9 and -8 play a key role in the binding of Bacillus subtilis Esigma(A) RNA polymerase to -10 region single-stranded DNA.
Nucleic Acids Res: 1999, 27(23);4541-6
[PubMed:10556308]
[WorldCat.org]
[DOI]
(P p)
J Ju, T Mitchell, H Peters, W G Haldenwang
Sigma factor displacement from RNA polymerase during Bacillus subtilis sporulation.
J Bacteriol: 1999, 181(16);4969-77
[PubMed:10438769]
[WorldCat.org]
[DOI]
(P p)
C M Buckner, G Schyns, C P Moran
A region in the Bacillus subtilis transcription factor Spo0A that is important for spoIIG promoter activation.
J Bacteriol: 1998, 180(14);3578-83
[PubMed:9658000]
[WorldCat.org]
[DOI]
(P p)
G Schyns, C M Buckner, C P Moran
Activation of the Bacillus subtilis spoIIG promoter requires interaction of Spo0A and the sigma subunit of RNA polymerase.
J Bacteriol: 1997, 179(17);5605-8
[PubMed:9287022]
[WorldCat.org]
[DOI]
(P p)
X Huang, F J Lopez de Saro, J D Helmann
sigma factor mutations affecting the sequence-selective interaction of RNA polymerase with -10 region single-stranded DNA.
Nucleic Acids Res: 1997, 25(13);2603-9
[PubMed:9185571]
[WorldCat.org]
[DOI]
(P p)
K Fredrick, J D Helmann
RNA polymerase sigma factor determines start-site selection but is not required for upstream promoter element activation on heteroduplex (bubble) templates.
Proc Natl Acad Sci U S A: 1997, 94(10);4982-7
[PubMed:9144176]
[WorldCat.org]
[DOI]
(P p)
J D Helmann
Compilation and analysis of Bacillus subtilis sigma A-dependent promoter sequences: evidence for extended contact between RNA polymerase and upstream promoter DNA.
Nucleic Acids Res: 1995, 23(13);2351-60
[PubMed:7630711]
[WorldCat.org]
[DOI]
(P p)
Y L Juang, J D Helmann
Pathway of promoter melting by Bacillus subtilis RNA polymerase at a stable RNA promoter: effects of temperature, delta protein, and sigma factor mutations.
Biochemistry: 1995, 34(26);8465-73
[PubMed:7599136]
[WorldCat.org]
[DOI]
(P p)
S E Aiyar, Y L Juang, J D Helmann, P L deHaseth
Mutations in sigma factor that affect the temperature dependence of transcription from a promoter, but not from a mismatch bubble in double-stranded DNA.
Biochemistry: 1994, 33(38);11501-6
[PubMed:7918363]
[WorldCat.org]
[DOI]
(P p)
J C Rong, J D Helmann
Genetic and physiological studies of Bacillus subtilis sigma A mutants defective in promoter melting.
J Bacteriol: 1994, 176(17);5218-24
[PubMed:8071196]
[WorldCat.org]
[DOI]
(P p)
Y L Juang, J D Helmann
A promoter melting region in the primary sigma factor of Bacillus subtilis. Identification of functionally important aromatic amino acids.
J Mol Biol: 1994, 235(5);1470-88
[PubMed:8107087]
[WorldCat.org]
[DOI]
(P p)
H L Carter, L F Wang, R H Doi, C P Moran
rpoD operon promoter used by sigma H-RNA polymerase in Bacillus subtilis.
J Bacteriol: 1988, 170(4);1617-21
[PubMed:3127379]
[WorldCat.org]
[DOI]
(P p)
C W Price, R H Doi
Genetic mapping of rpoD implicates the major sigma factor of Bacillus subtilis RNA polymerase in sporulation initiation.
Mol Gen Genet: 1985, 201(1);88-95
[PubMed:2997585]
[WorldCat.org]
[DOI]
(P p)
Additional publication: PubMed
