Difference between revisions of "OhrA"

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* '''Additional information:'''
 
* '''Additional information:'''
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** number of protein molecules per cell (minimal medium with glucose and ammonium): 205 {{PubMed|24696501}}
  
 
=Biological materials =
 
=Biological materials =

Latest revision as of 10:01, 17 April 2014

  • Description: peroxiredoxin , protects the cell against organic peroxides

Gene name ohrA
Synonyms yklA
Essential no
Product peroxiredoxin
Function organic peroxide resistance
Gene expression levels in SubtiExpress: ohrA
MW, pI 14 kDa, 5.061
Gene length, protein length 423 bp, 141 aa
Immediate neighbours proA, ohrR
Sequences Protein DNA DNA_with_flanks
Genetic context
YklA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
OhrA expression.png
























Categories containing this gene/protein

resistance against oxidative and electrophile stress

This gene is a member of the following regulons

OhrR regulon

The gene

Basic information

  • Locus tag: BSU13140

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: osmC/ohr family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • 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): 205 PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Minsun Hong, Mayuree Fuangthong, John D Helmann, Richard G Brennan
Structure of an OhrR-ohrA operator complex reveals the DNA binding mechanism of the MarR family.
Mol Cell: 2005, 20(1);131-41
[PubMed:16209951] [WorldCat.org] [DOI] (P p)

John D Helmann, Ming Fang Winston Wu, Ahmed Gaballa, Phil A Kobel, Maud M Morshedi, Paul Fawcett, Chris Paddon
The global transcriptional response of Bacillus subtilis to peroxide stress is coordinated by three transcription factors.
J Bacteriol: 2003, 185(1);243-53
[PubMed:12486061] [WorldCat.org] [DOI] (P p)

M Fuangthong, S Atichartpongkul, S Mongkolsuk, J D Helmann
OhrR is a repressor of ohrA, a key organic hydroperoxide resistance determinant in Bacillus subtilis.
J Bacteriol: 2001, 183(14);4134-41
[PubMed:11418552] [WorldCat.org] [DOI] (P p)

U Völker, K K Andersen, H Antelmann, K M Devine, M Hecker
One of two osmC homologs in Bacillus subtilis is part of the sigmaB-dependent general stress regulon.
J Bacteriol: 1998, 180(16);4212-8
[PubMed:9696771] [WorldCat.org] [DOI] (P p)