Difference between revisions of "CshA"

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* '''Description:''' DEAD-box RNA helicase<br/><br/>
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* '''Description:''' DEAD-box RNA helicase, important for adaptation to low temperatures<br/><br/>
  
 
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* '''Effectors of protein activity:'''
 
* '''Effectors of protein activity:'''
  
* '''Interactions:'''
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* '''Interactions:''' [[CshA]]-[[CspB]] [http://www.ncbi.nlm.nih.gov/sites/entrez/16352840 PubMed]
  
 
* '''Localization:''' cytoplasma, colocalizes with the ribosomes [http://www.ncbi.nlm.nih.gov/sites/entrez/16352840 PubMed]
 
* '''Localization:''' cytoplasma, colocalizes with the ribosomes [http://www.ncbi.nlm.nih.gov/sites/entrez/16352840 PubMed]
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* '''Regulation:'''  
 
* '''Regulation:'''  
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** induced by cold shock {{PubMed|12399512}}
  
 
* '''Regulatory mechanism:'''  
 
* '''Regulatory mechanism:'''  

Revision as of 21:05, 6 April 2010

  • Description: DEAD-box RNA helicase, important for adaptation to low temperatures

Gene name cshA
Synonyms ydbR
Essential no
Product DEAD-box RNA helicase
Function RNA helicase
MW, pI 57 kDa, 9.89
Gene length, protein length 1533 bp, 511 aa
Immediate neighbours murF, ydbS
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YdbR context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU04580

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: RNA helicase
  • Protein family: helicase C-terminal domain (according to Swiss-Prot) DEAD-box RNA helicase

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization: cytoplasma, colocalizes with the ribosomes PubMed

Database entries

  • Structure:
  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
    • induced by cold shock PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant: GP1001 (cat), available in Stülke lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
  • Antibody:

Labs working on this gene/protein

Mohamed Marahiel, Marburg University, Germany homepage

Your additional remarks

References

Yoshinari Ando, Kouji Nakamura
Bacillus subtilis DEAD protein YdbR possesses ATPase, RNA binding, and RNA unwinding activities.
Biosci Biotechnol Biochem: 2006, 70(7);1606-15
[PubMed:16861794] [WorldCat.org] [DOI] (P p)

Karen Hunger, Carsten L Beckering, Frank Wiegeshoff, Peter L Graumann, Mohamed A Marahiel
Cold-induced putative DEAD box RNA helicases CshA and CshB are essential for cold adaptation and interact with cold shock protein B in Bacillus subtilis.
J Bacteriol: 2006, 188(1);240-8
[PubMed:16352840] [WorldCat.org] [DOI] (P p)

Carsten L Beckering, Leif Steil, Michael H W Weber, Uwe Völker, Mohamed A Marahiel
Genomewide transcriptional analysis of the cold shock response in Bacillus subtilis.
J Bacteriol: 2002, 184(22);6395-402
[PubMed:12399512] [WorldCat.org] [DOI] (P p)