Difference between revisions of "ClpP"

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(Expression and regulation)
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* '''[[Sigma factor]]:''' [[SigB]] [http://www.ncbi.nlm.nih.gov/pubmed/11544224 PubMed]  
 
* '''[[Sigma factor]]:''' [[SigB]] [http://www.ncbi.nlm.nih.gov/pubmed/11544224 PubMed]  
  
* '''Regulation:'''  induced by stress ([[SigB]]) [http://www.ncbi.nlm.nih.gov/pubmed/11544224 PubMed]
+
* '''Regulation:'''  induced by stress ([[SigB]]) [http://www.ncbi.nlm.nih.gov/pubmed/11544224 PubMed], induced by heat ([[CtsR]]) [http://www.ncbi.nlm.nih.gov/pubmed/9987115 PubMed]
  
* '''Regulatory mechanism:''' negative regulation by [[CtsR]] [http://www.ncbi.nlm.nih.gov/pubmed/11179229 PubMed], [http://www.ncbi.nlm.nih.gov/pubmed/16163393 PubMed], [http://www.ncbi.nlm.nih.gov/pubmed/17380125 PubMed]
+
* '''Regulatory mechanism:''' [[CtsR]]: transcription repression [http://www.ncbi.nlm.nih.gov/pubmed/9987115 PubMed1], [http://www.ncbi.nlm.nih.gov/pubmed/11179229 PubMed2], [http://www.ncbi.nlm.nih.gov/pubmed/16163393 PubMed3], [http://www.ncbi.nlm.nih.gov/pubmed/17380125 PubMed4]
  
 
* '''Additional information:'''
 
* '''Additional information:'''

Revision as of 13:19, 3 May 2009

  • Description: ATP-dependent Clp protease proteolytic subunit (class III heat-shock protein)

Gene name clpP
Synonyms yvdN
Essential no
Product ATP-dependent Clp protease proteolytic subunit
Function protein degradation
MW, pI 21 kDa, 5.008
Gene length, protein length 591 bp, 197 aa
Immediate neighbours trnQ-Arg, pgcM
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
ClpP context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: endopeptidase/proteolysis
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization: cytoplasm (according to Swiss-Prot), cytoplasmic polar clusters, excluded from the nucleoid, induced clustering upon heatshock, colocalization with ClpX, ClpC and ClpE Pubmed

ClpP.jpg

Database entries

  • Structure: Two homologue structures resolved 1TYF, 1Y7O, structural model of B. subtilis ClpP available from hstrahl
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Operon:
  • Additional information:

Biological materials

  • Mutant: clpP::spec and clpP::cat available from the Hamoen] Lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion: C-terminal GFP fusions (both single copy and as 2th copy in amyE locus, also as CFP and YFP variants) available from the Hamoen] Lab
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Leendert Hamoen, Newcastle University, UK homepage

Your additional remarks

References

  1. Petersohn et al. (2001) Global Analysis of the General Stress Response of Bacillus subtilis. J Bacteriol. 183: 5617-5631 PubMed
  2. Kock H, Gerth U, Hecker M. (2004) MurAA, catalysing the first committed step in peptidoglycan biosynthesis, is a target of Clp-dependent proteolysis in Bacillus subtilis. Mol Microbiol, 51:1087-1102. PubMed
  3. Gerth, U., Krüger, E., Derré, I., Msadek, T. and Hecker, M. 1998. Stress induction of the Bacillus subtilis clpP gene encoding a homologue of the proteolytic component of the ClpP protease and the involvement of ClpP and ClpX in stress tolerance. Mol. Microbiol. 28: 787-802. PubMed
  4. Kirstein, J., Strahl, H., Molière, N., Hamoen, LW., Turgay K. (2008) Localization of general and regulatory proteolysis in Bacillus subtilis cells. Mol Microbiol. 70:682-94. Pubmed
  5. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed