Difference between revisions of "OhrR"

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(Reviews)
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= Categories containing this gene/protein =
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{{SubtiWiki category|[[transcription factors and their control]]}},
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{{SubtiWiki category|[[resistance against oxidative and electrophile stress]]}}
 
=The protein=
 
=The protein=
  

Revision as of 18:32, 30 November 2010

  • Description: transcription repressor of the ohrA gene

Gene name ohrR
Synonyms ykmA
Essential no
Product transcription repressor (MarR family)
Function regulation of ohrA expression
in response to organic peroxides
MW, pI 16 kDa, 6.364
Gene length, protein length 441 bp, 147 aa
Immediate neighbours ohrA, ohrB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YkmA context.gif
This image was kindly provided by SubtiList




The gene

Basic information

  • Locus tag: BSU13150

Phenotypes of a mutant

Database entries

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

Additional information

Categories containing this gene/protein

transcription factors and their control, resistance against oxidative and electrophile stress

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: senses organic peroxides, released from DNA upon oxidation of an active site cysteine
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions: forms dimers
  • Localization: cytoplasm (according to Swiss-Prot)

Database entries

  • Structure: 1Z91 (reduced form), 1Z9C (complex with ohrA promoter)
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

John Helmann, Cornell University, USA Homepage

Richard Brennan, Houston, Texas, USA Homepage

Your additional remarks

References

Reviews

Haike Antelmann, John D Helmann
Thiol-based redox switches and gene regulation.
Antioxid Redox Signal: 2011, 14(6);1049-63
[PubMed:20626317] [WorldCat.org] [DOI] (I p)

Victor Duarte, Jean-Marc Latour
PerR vs OhrR: selective peroxide sensing in Bacillus subtilis.
Mol Biosyst: 2010, 6(2);316-23
[PubMed:20094649] [WorldCat.org] [DOI] (I p)

Peter Zuber
Management of oxidative stress in Bacillus.
Annu Rev Microbiol: 2009, 63;575-97
[PubMed:19575568] [WorldCat.org] [DOI] (I p)


Original Publications