SpoIIGA

• Description: Pro-SigE protease
  
  

Gene name	spoIIGA
Synonyms
Essential	no
Product	Pro-SigE protease
Function	maturation of SigE
Interactions involving this protein in SubtInteract: SpoIIGA
MW, pI	34 kDa, 8.552
Gene length, protein length	927 bp, 309 aa
Immediate neighbours	bpr, sigE
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

proteolysis, sigma factors and their control, sporulation/ other, membrane proteins

This gene is a member of the following regulons

SinR regulon, Spo0A regulon

The gene

Basic information

• Locus tag: BSU15310

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: peptidase U4 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:
  • SpoIIGA protease activity is stimulated by the interaction with SpoIIR in the intermembrane space between the forespore and the mother cell PubMed

• Interactions:
  • SpoIIGA-SigE (Processing) PubMed
  • SpoIIR-SpoIIGA PubMed

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P13801

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: spoIIGA-sigE-sigG PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • expressed under conditions that trigger sporulation (Spo0A) PubMed

• Regulatory mechanism:
  • repression by SinR
  • Spo0A: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Additional publications: PubMed

Steve D Seredick, Barbara M Seredick, David Baker, George B Spiegelman
An A257V mutation in the bacillus subtilis response regulator Spo0A prevents regulated expression of promoters with low-consensus binding sites.
J Bacteriol: 2009, 191(17);5489-98
[PubMed:19581368] [WorldCat.org] [DOI] (I p)

Amrita Kumar, Charles P Moran
Promoter activation by repositioning of RNA polymerase.
J Bacteriol: 2008, 190(9);3110-7
[PubMed:18296515] [WorldCat.org] [DOI] (I p)

Masaya Fujita, José Eduardo González-Pastor, Richard Losick
High- and low-threshold genes in the Spo0A regulon of Bacillus subtilis.
J Bacteriol: 2005, 187(4);1357-68
[PubMed:15687200] [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)

M Perego, P Glaser, J A Hoch
Aspartyl-phosphate phosphatases deactivate the response regulator components of the sporulation signal transduction system in Bacillus subtilis.
Mol Microbiol: 1996, 19(6);1151-7
[PubMed:8730857] [WorldCat.org] [DOI] (P p)

A E Hofmeister, A Londoño-Vallejo, E Harry, P Stragier, R Losick
Extracellular signal protein triggering the proteolytic activation of a developmental transcription factor in B. subtilis.
Cell: 1995, 83(2);219-26
[PubMed:7585939] [WorldCat.org] [DOI] (P p)

H K Peters, W G Haldenwang
Isolation of a Bacillus subtilis spoIIGA allele that suppresses processing-negative mutations in the Pro-sigma E gene (sigE).
J Bacteriol: 1994, 176(24);7763-6
[PubMed:8002606] [WorldCat.org] [DOI] (P p)

J M Baldus, B D Green, P Youngman, C P Moran
Phosphorylation of Bacillus subtilis transcription factor Spo0A stimulates transcription from the spoIIG promoter by enhancing binding to weak 0A boxes.
J Bacteriol: 1994, 176(2);296-306
[PubMed:8288522] [WorldCat.org] [DOI] (P p)

T H Bird, J K Grimsley, J A Hoch, G B Spiegelman
Phosphorylation of Spo0A activates its stimulation of in vitro transcription from the Bacillus subtilis spoIIG operon.
Mol Microbiol: 1993, 9(4);741-9
[PubMed:8231806] [WorldCat.org] [DOI] (P p)

S W Satola, J M Baldus, C P Moran
Binding of Spo0A stimulates spoIIG promoter activity in Bacillus subtilis.
J Bacteriol: 1992, 174(5);1448-53
[PubMed:1537790] [WorldCat.org] [DOI] (P p)

H K Peters, W G Haldenwang
Synthesis and fractionation properties of SpoIIGA, a protein essential for pro-sigma E processing in Bacillus subtilis.
J Bacteriol: 1991, 173(24);7821-7
[PubMed:1744037] [WorldCat.org] [DOI] (P p)

R M Jonas, E A Weaver, T J Kenney, C P Moran, W G Haldenwang
The Bacillus subtilis spoIIG operon encodes both sigma E and a gene necessary for sigma E activation.
J Bacteriol: 1988, 170(2);507-11
[PubMed:2448286] [WorldCat.org] [DOI] (P p)