Difference between revisions of "OhrR"
Line 83: | Line 83: | ||
* '''Modification:''' | * '''Modification:''' | ||
− | ** senses organic peroxides, released from DNA upon oxidation of an active site cysteine | + | ** senses organic peroxides and NaOCl, released from DNA upon oxidation of an active site cysteine |
− | ** S- | + | ** S-bacillithiolated by NaOCl and CHP stress on Cys-15, this results in release from the'' [[ohrA]]'' promoter {{PubMed|21749987}} |
* '''Cofactor(s):''' | * '''Cofactor(s):''' | ||
Line 153: | Line 153: | ||
==Original Publications== | ==Original Publications== | ||
− | <pubmed>16209951,18487332,17660290,17502599,12486061,11418552,18586944,11983871,18363800,19129220 9696771 21749987 22797754 </pubmed> | + | <pubmed>21749987,16209951,18487332,17660290,17502599,12486061,11418552,18586944,11983871,18363800,19129220 9696771 21749987 22797754 </pubmed> |
[[Category:Protein-coding genes]] | [[Category:Protein-coding genes]] |
Revision as of 08:51, 6 September 2012
- 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 |
Gene expression levels in SubtiExpress: ohrR | |
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
| |
Expression at a glance PubMed |
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: MarR family
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- 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
- Sigma factor: SigA
- 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
Antelmann H, Helmann JD. Thiol-based redox switches and gene regulation. Antioxid Redox Signal. 2011,14:1049-63. PubMed
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