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
Gene expression levels in SubtiExpress: sspG
MW, pI	5 kDa, 4.247
Gene length, protein length	144 bp, 48 aa
Immediate neighbours	yurR, yurS
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

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

• Expression browser: sspG 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)