Difference between revisions of "QcrB"

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(Expression and regulation)
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=Expression and regulation=
 
=Expression and regulation=
 
 
* '''Operon:''' ''[[qcrA]]-[[qcrB]]-[[qcrC]]'' {{PubMed|7592464}}
 
* '''Operon:''' ''[[qcrA]]-[[qcrB]]-[[qcrC]]'' {{PubMed|7592464}}
 
   
 
   
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** repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed]   
 
** repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed]   
 
** induced by oxygen limitation ([[ResD]]) {{PubMed|8631715}}
 
** induced by oxygen limitation ([[ResD]]) {{PubMed|8631715}}
 +
** repressed by glucose ([[CcpA]]) [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed]
  
 
* '''Regulatory mechanism:'''  
 
* '''Regulatory mechanism:'''  
 
** [[ResD]]: transcription activation {{PubMed|8631715}}
 
** [[ResD]]: transcription activation {{PubMed|8631715}}
 +
** [[CcpA]]: transcription repression [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed]
 +
  
 
* '''Additional information:'''
 
* '''Additional information:'''
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=References=
 
=References=
  
<pubmed>8631715,7592464,, </pubmed>
+
<pubmed>8631715,7592464,12107147 ,12850135  </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 18:58, 5 August 2010

  • Description: component of the cytochrome bc complex, cytochrome-c reductase

Gene name qcrB
Synonyms bfcB, petB
Essential no
Product cytochrome-c reductas
Function respiration
MW, pI 25 kDa, 7.441
Gene length, protein length 672 bp, 224 aa
Immediate neighbours qcrC, qcrA
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
QcrB context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU22550

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: peptidase M20A family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions:
  • Localization: cell membrane (according to Swiss-Prot)

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation


  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Hans-Matti Blencke, Georg Homuth, Holger Ludwig, Ulrike Mäder, Michael Hecker, Jörg Stülke
Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways.
Metab Eng: 2003, 5(2);133-49
[PubMed:12850135] [WorldCat.org] [DOI] (P p)

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [WorldCat.org] [DOI] (P p)

G Sun, E Sharkova, R Chesnut, S Birkey, M F Duggan, A Sorokin, P Pujic, S D Ehrlich, F M Hulett
Regulators of aerobic and anaerobic respiration in Bacillus subtilis.
J Bacteriol: 1996, 178(5);1374-85
[PubMed:8631715] [WorldCat.org] [DOI] (P p)

J Yu, L Hederstedt, P J Piggot
The cytochrome bc complex (menaquinone:cytochrome c reductase) in Bacillus subtilis has a nontraditional subunit organization.
J Bacteriol: 1995, 177(23);6751-60
[PubMed:7592464] [WorldCat.org] [DOI] (P p)