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  • Description: extracellular alkaline serine protease (subtilisin E)

Gene name aprE
Synonyms sprE
Essential no
Product extracellular alkaline serine protease (subtilisin E))
Function protein degradation
MW, pI 39 kDa, 9.342
Gene length, protein length 1143 bp, 381 aa
Immediate neighbours yhfN, yhfO
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
AprE context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU10300

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Hydrolysis of proteins with broad specificity for peptide bonds, and a preference for a large uncharged residue in P1 (according to Swiss-Prot)
  • Protein family: peptidase S8 family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization: secreted (according to Swiss-Prot), extracellular (signal peptide) PubMed

Database entries

  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Regulation: repressed during logrithmic growth (AbrB) PubMed
  • Regulatory mechanism: AbrB: transcription repression PubMed
  • Additional information: the mRNA is extremely stable (more than 25 min) PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Birgit Voigt, Haike Antelmann, Dirk Albrecht, Armin Ehrenreich, Karl-Heinz Maurer, Stefan Evers, Gerhard Gottschalk, Jan Maarten van Dijl, Thomas Schweder, Michael Hecker
Cell physiology and protein secretion of Bacillus licheniformis compared to Bacillus subtilis.
J Mol Microbiol Biotechnol: 2009, 16(1-2);53-68
[PubMed:18957862] [WorldCat.org] [DOI] (I p)

Gustav Hambraeus, Kaisa Karhumaa, Blanka Rutberg
A 5' stem-loop and ribosome binding but not translation are important for the stability of Bacillus subtilis aprE leader mRNA.
Microbiology (Reading): 2002, 148(Pt 6);1795-1803
[PubMed:12055299] [WorldCat.org] [DOI] (P p)

Gustav Hambraeus, Martin Persson, Blanka Rutberg
The aprE leader is a determinant of extreme mRNA stability in Bacillus subtilis.
Microbiology (Reading): 2000, 146 Pt 12;3051-3059
[PubMed:11101663] [WorldCat.org] [DOI] (P p)

  1. Voigt et al. (2009) Cell physiology and protein secretion of Bacillus licheniformis compared to Bacillus subtilis. J Mol Microbiol Biotechnol. 16: 53-68 PubMed
  2. Hambraeus, G., Persson, M. & Rutberg, B. (2000). The aprE leader is a determinant of extreme mRNA stability in Bacillus subtilis. Microbiology 146, 3051-3059. PubMed
  3. Hambraeus, G., Karhumaa, K. & Rutberg, B. (2002). A 5' stem-loop and ribosome binding but not translation are important for the stability of Bacillus subtilis aprE leader mRNA. Microbiology 148, 1795-1803. PubMed
  4. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed