Epr

• Description: minor extracellular serine protease, involved in control of swarming motility PubMed
  
  

Gene name	epr
Synonyms	ipa-15r
Essential	no
Product	minor extracellular serine protease
Function	protein degradation
Gene expression levels in SubtiExpress: epr
MW, pI	69 kDa, 9.875
Gene length, protein length	1935 bp, 645 aa
Immediate neighbours	ywbA, sacX
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

utilization of nitrogen sources other than amino acids, proteolysis, motility and chemotaxis

This gene is a member of the following regulons

DegU regulon, ScoC regulon, SigD regulon, SinR regulon

The gene

Basic information

• Locus tag: BSU38400

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• 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:

• Interactions:

• Localization: secreted (according to Swiss-Prot), extracellular (signal peptide) PubMed

Database entries

• Structure:

• UniProt: P16396

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: epr PubMed

• Expression browser: epr PubMed

• Sigma factor: SigD PubMed

• Regulation:
  • repressed by SinR PubMed
  • repressed during exponential growth (ScoC) PubMed

• Regulatory mechanism:
  • activation by DegU, not activated by DegU-P PubMed
  • SinR: transcription repression PubMed
  • ScoC: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:
  • 1A1021 ( epr::tet), PubMed, available at BGSC

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Massimiliano Marvasi, Pieter T Visscher, Lilliam Casillas Martinez
Exopolymeric substances (EPS) from Bacillus subtilis: polymers and genes encoding their synthesis.
FEMS Microbiol Lett: 2010, 313(1);1-9
[PubMed:20735481] [WorldCat.org] [DOI] (I p)

Original publications

Monica Gupta, Kestur Krishnamurthy Rao
Epr plays a key role in DegU-mediated swarming motility of Bacillus subtilis.
FEMS Microbiol Lett: 2009, 295(2);187-94
[PubMed:19416356] [WorldCat.org] [DOI] (I p)

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)

Prashant Kodgire, Madhulika Dixit, K Krishnamurthy Rao
ScoC and SinR negatively regulate epr by corepression in Bacillus subtilis.
J Bacteriol: 2006, 188(17);6425-8
[PubMed:16923912] [WorldCat.org] [DOI] (P p)

Madhulika Dixit, Charuta S Murudkar, K Krishnamurthy Rao
Epr is transcribed from a final sigma(D) promoter and is involved in swarming of Bacillus subtilis.
J Bacteriol: 2002, 184(2);596-9
[PubMed:11751842] [WorldCat.org] [DOI] (P p)

A Sloma, A Ally, D Ally, J Pero
Gene encoding a minor extracellular protease in Bacillus subtilis.
J Bacteriol: 1988, 170(12);5557-63
[PubMed:3142851] [WorldCat.org] [DOI] (P p)