Difference between revisions of "OhrR"
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= This gene is a member of the following [[regulons]] = | = This gene is a member of the following [[regulons]] = | ||
| − | + | =The OhrR regulon:= | |
| + | * ''[[ohrA]]'' | ||
=The gene= | =The gene= | ||
Revision as of 19:30, 18 December 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 
This image was kindly provided by SubtiList
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Contents
Categories containing this gene/protein
transcription factors and their control, resistance against oxidative and electrophile stress
This gene is a member of the following regulons
The OhrR regulon:
The gene
Basic information
- Locus tag: BSU13150
Phenotypes of a mutant
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
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
- UniProt: O34777
- KEGG entry: [3]
- E.C. number:
Additional information
Expression and regulation
- Operon: ohrR PubMed
- 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
