SspG

• Description: small acid-soluble spore protein (minor)
  
  

Gene name	sspG
Synonyms
Essential	no
Product	small acid-soluble spore protein (minor)
Function	protection of spore DNA
MW, pI	5 kDa, 4.247
Gene length, protein length	144 bp, 48 aa
Immediate neighbours	yurR, yurS
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

sporulation proteins

This gene is a member of the following regulons

GerE regulon, SigK regulon

The gene

Basic information

• Locus tag: BSU32640

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure:

• UniProt: Q7WY59

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: sspG-yurS PubMed

• Sigma factor: SigK PubMed

• Regulation:
  • expressed late during sporulation in the mother cell (SigK, GerE) PubMed
  • repressed by glucose (5.5-fold) PubMed

• Regulatory mechanism:
  • GerE: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Leif Steil, Mónica Serrano, Adriano O Henriques, Uwe Völker
Genome-wide analysis of temporally regulated and compartment-specific gene expression in sporulating cells of Bacillus subtilis.
Microbiology (Reading): 2005, 151(Pt 2);399-420
[PubMed:15699190] [WorldCat.org] [DOI] (P p)

Hans-Matti Blencke, Georg Homuth, Holger Ludwig, Ulrike Mäder, Michael Hecker, Jörg Stülke
Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways.
Metab Eng: 2003, 5(2);133-49
[PubMed:12850135] [WorldCat.org] [DOI] (P p)

I Bagyan, B Setlow, P Setlow
New small, acid-soluble proteins unique to spores of Bacillus subtilis: identification of the coding genes and regulation and function of two of these genes.
J Bacteriol: 1998, 180(24);6704-12
[PubMed:9852018] [WorldCat.org] [DOI] (P p)