CshA

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  • 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: GP1035 (aphA3), available in Stülke lab
  • Expression vector:
    • for expression/ purification from B. subtilis with C-terminal Strep-tag, for SPINE, in pGP382: pGP1387, available in Stülke lab
    • for expression/ purification from B. subtilis with C-terminal Strep-tag, for SPINE, expression from the native chromomsomal site: GP1026, available in Stülke lab
    • for expression/ purification from E. coli with N-terminal His-tag, in pWH844: pGP1386, available in Stülke lab
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
  • FLAG-tag construct: GP1010 (spc, based on pGP1331), available in the Stülke labs
  • Antibody:

Labs working on this gene/protein

Mohamed Marahiel, Marburg University, Germany homepage

Your additional remarks

References