SpmB

• Description: spore maturation protein (spore core dehydratation)
  
  

Gene name	spmB
Synonyms	ypuK
Essential	no
Product	spore maturation protein (spore core dehydratation)
Function	germination
Gene expression levels in SubtiExpress: spmB
MW, pI	18 kDa, 5.496
Gene length, protein length	537 bp, 179 aa
Immediate neighbours	rluB, spmA
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

SigE regulon

The gene

Basic information

• Locus tag: BSU23170

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: spmB family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure:

• UniProt: P35158

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: dacB-spmA-spmB PubMed

• Expression browser: spmB PubMed

• Sigma factor: SigE PubMed

• Regulation:
  • expressed early during sporulation in the mother cell (SigE) PubMed

• Regulatory mechanism:

• 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)

D L Popham, B Illades-Aguiar, P Setlow
The Bacillus subtilis dacB gene, encoding penicillin-binding protein 5*, is part of a three-gene operon required for proper spore cortex synthesis and spore core dehydration.
J Bacteriol: 1995, 177(16);4721-9
[PubMed:7642500] [WorldCat.org] [DOI] (P p)

E B Simpson, T W Hancock, C E Buchanan
Transcriptional control of dacB, which encodes a major sporulation-specific penicillin-binding protein.
J Bacteriol: 1994, 176(24);7767-9
[PubMed:7528199] [WorldCat.org] [DOI] (P p)