SpoIIIJ

• Description: membrane protein translocase, essential for sigma-G activity at stage III
  
  

Gene name	spoIIIJ
Synonyms	spo0J87
Essential	no
Product	membrane protein translocase
Function	control of SigG activity
MW, pI	29 kDa, 9.992
Gene length, protein length	783 bp, 261 aa
Immediate neighbours	jag, rnpA
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: BSU41040

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: membrane protein translocase, facilitates insertion of SpoIIIAE into the membrane PubMed

• Protein family: Type 2 subfamily (according to Swiss-Prot)

• Paralogous protein(s): YqjG, one of the two proteins has to be present for viability PubMed

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: SpoIIIAE-SpoIIIJ PubMed

• Localization: membrane PubMed

Database entries

• Structure:

• Swiss prot entry: Q01625

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Richard Losick, Harvard University, Cambridge, USA homepage

Adriano Henriques, Lisbon, Portugal homepage

References

Mónica Serrano, Filipe Vieira, Charles P Moran, Adriano O Henriques
Processing of a membrane protein required for cell-to-cell signaling during endospore formation in Bacillus subtilis.
J Bacteriol: 2008, 190(23);7786-96
[PubMed:18820020] [WorldCat.org] [DOI] (I p)

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [WorldCat.org] [DOI] (I p)

Amy H Camp, Richard Losick
A novel pathway of intercellular signalling in Bacillus subtilis involves a protein with similarity to a component of type III secretion channels.
Mol Microbiol: 2008, 69(2);402-17
[PubMed:18485064] [WorldCat.org] [DOI] (I p)

Helena B Thomaides, Ella J Davison, Lisa Burston, Hazel Johnson, David R Brown, Alison C Hunt, Jeffery Errington, Lloyd Czaplewski
Essential bacterial functions encoded by gene pairs.
J Bacteriol: 2007, 189(2);591-602
[PubMed:17114254] [WorldCat.org] [DOI] (P p)

Mónica Serrano, Luísa Côrte, Jason Opdyke, Charles P Moran, Adriano O Henriques
Expression of spoIIIJ in the prespore is sufficient for activation of sigma G and for sporulation in Bacillus subtilis.
J Bacteriol: 2003, 185(13);3905-17
[PubMed:12813085] [WorldCat.org] [DOI] (P p)

J Errington, L Appleby, R A Daniel, H Goodfellow, S R Partridge, M D Yudkin
Structure and function of the spoIIIJ gene of Bacillus subtilis: a vegetatively expressed gene that is essential for sigma G activity at an intermediate stage of sporulation.
J Gen Microbiol: 1992, 138(12);2609-18
[PubMed:1487728] [WorldCat.org] [DOI] (P p)