KatA

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  • Description: main vegetative catalase 1

Gene name katA
Synonyms kat-19
Essential no
Product vegetative catalase
Function detoxification (degradation) of hydrogen peroxide
Gene expression levels in SubtiExpress: katA
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
Sequences Protein DNA DNA_with_flanks
Genetic context
KatA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
KatA expression.png




























Categories containing this gene/protein

resistance against oxidative and electrophile stress, phosphoproteins

This gene is a member of the following regulons

PerR regulon

The gene

Basic information

  • Locus tag: BSU08820

Phenotypes of a mutant

  • increased sensitivity to oxidative stress PubMed

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:
    • phosphorylated on Arg-366 PubMed
  • Cofactor(s): contains an iron-sulfur cluster, heme
  • Effectors of protein activity:

Database entries

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

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
    • induced in the presence of hydrogen peroxide and paraquat (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