Difference between revisions of "KatA"

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(Expression and regulation)
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=Expression and regulation=
 
=Expression and regulation=
  
* '''Operon:'''  
+
* '''Operon:''' ''katA'' (according to http://dbtbs.hgc.jp/COG/prom/katA.html DBTBS)
  
 
* '''[[Sigma factor]]:'''  
 
* '''[[Sigma factor]]:'''  
  
 
* '''Regulation:'''  
 
* '''Regulation:'''  
** repressed in the absence of hydrogen peroxide ([[PerR]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/11532148 PubMed]
+
** induced in the presence of hydrogen peroxide ([[PerR]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/11532148 PubMed]
  
 
* '''Regulatory mechanism:'''  
 
* '''Regulatory mechanism:'''  
 
** [[PerR]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/11532148 PubMed]
 
** [[PerR]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/11532148 PubMed]
  
* '''Additional information:'''  
+
* '''Additional information:'''
  
 
=Biological materials =
 
=Biological materials =

Revision as of 19:21, 2 September 2009

  • Description: vegetative catalase 1

Gene name katA
Synonyms kat-19
Essential no
Product vegetative catalase 1
Function detoxification (degradation) of hydrogen peroxide
Metabolic function and regulation of this protein in SubtiPathways:
Stress
MW, pI 54 kDa, 6.151
Gene length, protein length 1449 bp, 483 aa
Immediate neighbours senS, ssuB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
KatA context.gif
This image was kindly provided by SubtiList







The gene

Basic information

  • Locus tag: BSU08820

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: 2 H2O2 = O2 + 2 H2O (according to Swiss-Prot)
  • Protein family: catalase 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: cytoplasm (according to Swiss-Prot)

Database entries

  • Structure: 1SI8 (enzyme from Enterococcus faecalis, 68% identity)
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
    • induced in the presence of hydrogen peroxide (PerR) PubMed
  • Regulatory mechanism:
  • 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