Difference between revisions of "OhrR"

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* '''Description:''' write here <br/><br/>
+
* '''Description:''' transcription repressor of the ''[[ohrA]]'' gene <br/><br/>
  
 
{| align="right" border="1" cellpadding="2"  
 
{| align="right" border="1" cellpadding="2"  
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|style="background:#ABCDEF;" align="center"| '''Synonyms''' || ''ykmA''
 
|style="background:#ABCDEF;" align="center"| '''Synonyms''' || ''ykmA''
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Essential''' ||  
+
|style="background:#ABCDEF;" align="center"| '''Essential''' || no
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Product''' ||  
+
|style="background:#ABCDEF;" align="center"| '''Product''' || transcription repressor ([[MarR family]])
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Function''' || unknown
+
|style="background:#ABCDEF;" align="center"|'''Function''' || regulation of ''[[ohrA]]'' expression <br/>in response to organic peroxides
 +
|-
 +
|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://subtiwiki.uni-goettingen.de/apps/expression/ ''Subti''Express]''': [http://subtiwiki.uni-goettingen.de/apps/expression/expression.php?search=BSU13150 ohrR]
 +
|-
 +
|colspan="2" style="background:#FAF8CC;" align="center"| '''Interactions involving this protein in [http://subtiwiki.uni-goettingen.de/interact/ ''Subt''Interact]''': [http://subtiwiki.uni-goettingen.de/interact/index.php?protein=OhrR OhrR]
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 16 kDa, 6.364   
 
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 16 kDa, 6.364   
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|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 441 bp, 147 aa  
 
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 441 bp, 147 aa  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' ||  
+
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[ohrA]]'', ''[[ohrB]]''
 
|-
 
|-
−
|style="background:#FAF8CC;" align="center"|'''[http://subtiwiki.uni-goettingen.de/ykmA_nucleotide.txt    Gene sequence     (+200bp)  ]'''
+
|style="background:#FAF8CC;" align="center"|'''Sequences'''||[http://bsubcyc.org/BSUB/sequence-aa?type=GENE&object=BSU13150 Protein] [http://bsubcyc.org/BSUB/sequence?type=GENE&object=BSU13150 DNA] [http://bsubcyc.org/BSUB/seq-selector?chromosome=CHROM-1&object=BSU13150 DNA_with_flanks]
−
|style="background:#FAF8CC;" align="center"|'''[http://subtiwiki.uni-goettingen.de/ykmA_protein.txt Protein sequence]'''
 
 
|-
 
|-
 
|colspan="2" | '''Genetic context''' <br/> [[Image:ykmA_context.gif]]
 
|colspan="2" | '''Genetic context''' <br/> [[Image:ykmA_context.gif]]
 +
<div align="right"> <small>This image was kindly provided by [http://genolist.pasteur.fr/SubtiList/ SubtiList]</small></div>
 +
|-
 +
|colspan="2" |'''[http://genome.jouy.inra.fr/cgi-bin/seb/viewdetail.py?id=ohrR_1381434_1381877_-1 Expression at a glance]'''&#160;&#160;&#160;{{PubMed|22383849}}<br/>[[Image:ohrR_expression.png|500px|link=http://subtiwiki.uni-goettingen.de/apps/expression/expression.php?search=BSU13150]]
 
|-
 
|-
 
|}
 
|}
  
 
__TOC__
 
__TOC__
 +
<br/><br/><br/><br/>
 +
<br/><br/><br/><br/>
 +
<br/><br/><br/><br/>
 +
<br/><br/><br/>
  
−
<br/><br/>
+
= [[Categories]] containing this gene/protein =
 +
{{SubtiWiki category|[[transcription factors and their control]]}},
 +
{{SubtiWiki category|[[resistance against oxidative and electrophile stress]]}}
  
 +
= This gene is a member of the following [[regulons]] =
 +
 +
=The [[OhrR regulon]]:=
 +
* ''[[ohrA]]''
 
=The gene=
 
=The gene=
  
 
=== Basic information ===
 
=== Basic information ===
  
−
* '''Coordinates:'''
+
* '''Locus tag:''' BSU13150
  
 
===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
  
 
=== Database entries ===
 
=== Database entries ===
 +
* '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU13150&redirect=T BSU13150]
  
 
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/ykmA.html]
 
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/ykmA.html]
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* '''Catalyzed reaction/ biological activity:'''  
 
* '''Catalyzed reaction/ biological activity:'''  
  
−
* '''Protein family:'''
+
* '''Protein family:''' [[MarR family]]
  
 
* '''Paralogous protein(s):'''
 
* '''Paralogous protein(s):'''
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* '''Kinetic information:'''
 
* '''Kinetic information:'''
  
−
* '''Domains:'''  
+
* '''[[Domains]]:'''  
  
−
* '''Modification:'''
+
* '''Modification:'''  
 +
** senses organic peroxides and NaOCl, released from DNA upon oxidation of an active site cysteine
 +
** S-bacillithiolated by NaOCl and CHP stress on Cys-15, this results in release from the'' [[ohrA]]'' promoter {{PubMed|21749987}}
  
−
* '''Cofactor(s):'''
+
* '''[[Cofactors]]:'''
  
 
* '''Effectors of protein activity:'''
 
* '''Effectors of protein activity:'''
  
−
* '''Interactions:'''
+
* '''[[SubtInteract|Interactions]]:'''
 +
** forms dimers
 +
** [[BrxA]]-[[OhrR]], to de-bacillithiolate S-bacillithiolated [[OhrR]] {{PubMed|24313874}}
 +
** [[BrxB]]-[[OhrR]], to de-bacillithiolate S-bacillithiolated [[OhrR]] {{PubMed|24313874}}
  
−
* '''Localization:'''
+
* '''[[Localization]]:''' cytoplasm (according to Swiss-Prot)
  
 
=== Database entries ===
 
=== Database entries ===
 +
* '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU13150&redirect=T BSU13150]
  
−
* '''Structure:'''
+
* '''Structure:''' [http://www.rcsb.org/pdb/explore.do?structureId=1Z91 1Z91] (reduced form),  [http://www.rcsb.org/pdb/explore.do?structureId=1Z9C 1Z9C] (complex with ''[[ohrA]]'' promoter)
  
−
* '''Swiss prot entry:'''
+
* '''UniProt:''' [http://www.uniprot.org/uniprot/O34777 O34777]
  
−
* '''KEGG entry:'''
+
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu:BSU13150]
  
 
* '''E.C. number:'''
 
* '''E.C. number:'''
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=Expression and regulation=
 
=Expression and regulation=
  
−
* '''Operon:'''  
+
* '''Operon:''' ''ohrR'' {{PubMed|9696771}}
  
−
* '''Sigma factor:'''  
+
* '''Expression browser:''' [http://genome.jouy.inra.fr/cgi-bin/seb/viewdetail.py?id=ohrR_1381434_1381877_-1 ohrR] {{PubMed|22383849}}
 +
 
 +
* '''[[Sigma factor]]:''' [[SigA]]
  
 
* '''Regulation:'''  
 
* '''Regulation:'''  
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* '''Regulatory mechanism:'''  
 
* '''Regulatory mechanism:'''  
  
−
* '''Additional information:'''  
+
* '''Additional information:'''
 +
** number of protein molecules per cell (minimal medium with glucose and ammonium): 133 {{PubMed|24696501}}
  
 
=Biological materials =
 
=Biological materials =
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=Labs working on this gene/protein=
 
=Labs working on this gene/protein=
 
[[John Helmann]], Cornell University, USA [http://www.micro.cornell.edu/research/labs/helmann-lab/index.cfm Homepage]
 
[[John Helmann]], Cornell University, USA [http://www.micro.cornell.edu/research/labs/helmann-lab/index.cfm Homepage]
 +
 +
[[Richard Brennan]], Houston, Texas, USA [http://www.mdanderson.org/departments/biochem/display.cfm?id=556ef368-6c81-4043-b74f350d41dd06cb&method=displayfull&pn=a8427ebd-d0ff-11d4-80fd00508b603a14 Homepage]
  
 
=Your additional remarks=
 
=Your additional remarks=
  
 
=References=
 
=References=
−
 
+
==Reviews==
−
# Author1, Author2 & Author3 (year) Title ''Journal'' '''volume:''' page-page. [http://www.ncbi.nlm.nih.gov/sites/entrez/PMID PubMed]
+
<pubmed>22797754 20626317 19575568  20094649  25852656</pubmed>
 +
==Original Publications==
 +
<pubmed>21749987,16209951,18487332,17660290,17502599,12486061,11418552,18586944,11983871,18363800,19129220 9696771 21749987 22797754 24313874 </pubmed>
 +
[[Category:Protein-coding genes]]

Latest revision as of 11:02, 10 April 2015

  • 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
Interactions involving this protein in SubtInteract: OhrR
MW, pI 16 kDa, 6.364
Gene length, protein length 441 bp, 147 aa
Immediate neighbours ohrA, ohrB
Sequences Protein DNA DNA_with_flanks
Genetic context
YkmA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
OhrR expression.png
















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:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Modification:
    • senses organic peroxides and NaOCl, released from DNA upon oxidation of an active site cysteine
    • S-bacillithiolated by NaOCl and CHP stress on Cys-15, this results in release from the ohrA promoter PubMed
  • Effectors of protein activity:

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:
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 133 PubMed

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

Vu Van Loi, Martina Rossius, Haike Antelmann
Redox regulation by reversible protein S-thiolation in bacteria.
Front Microbiol: 2015, 6;187
[PubMed:25852656] [WorldCat.org] [DOI] (P e)

James M Dubbs, Skorn Mongkolsuk
Peroxide-sensing transcriptional regulators in bacteria.
J Bacteriol: 2012, 194(20);5495-503
[PubMed:22797754] [WorldCat.org] [DOI] (I p)

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

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