KatX

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  • Description: catalase, general stress protein

Gene name katX
Synonyms yxlI
Essential no
Product catalase (major catalase in spores)
Function detoxification (degradation) of hydrogen peroxide
Gene expression levels in SubtiExpress: katX
MW, pI 62 kDa, 5.341
Gene length, protein length 1641 bp, 547 aa
Immediate neighbours aag, yxlH
Sequences Protein DNA DNA_with_flanks
Genetic context
KatX context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
KatX expression.png
























Categories containing this gene/protein

sporulation proteins, general stress proteins (controlled by SigB), resistance against oxidative and electrophile stress

This gene is a member of the following regulons

RsfA regulon, SigB regulon, SigF regulon

The gene

Basic information

  • Locus tag: BSU38630

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:

Database entries

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

Additional information

Expression and regulation

  • 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

Stephanie T Wang, Barbara Setlow, Erin M Conlon, Jessica L Lyon, Daisuke Imamura, Tsutomu Sato, Peter Setlow, Richard Losick, Patrick Eichenberger
The forespore line of gene expression in Bacillus subtilis.
J Mol Biol: 2006, 358(1);16-37
[PubMed:16497325] [WorldCat.org] [DOI] (P p)

Dirk Höper, Uwe Völker, Michael Hecker
Comprehensive characterization of the contribution of individual SigB-dependent general stress genes to stress resistance of Bacillus subtilis.
J Bacteriol: 2005, 187(8);2810-26
[PubMed:15805528] [WorldCat.org] [DOI] (P p)

L J Wu, J Errington
Identification and characterization of a new prespore-specific regulatory gene, rsfA, of Bacillus subtilis.
J Bacteriol: 2000, 182(2);418-24
[PubMed:10629188] [WorldCat.org] [DOI] (P p)

A Petersohn, S Engelmann, P Setlow, M Hecker
The katX gene of Bacillus subtilis is under dual control of sigmaB and sigmaF.
Mol Gen Genet: 1999, 262(1);173-9
[PubMed:10503549] [WorldCat.org] [DOI] (P p)

I Bagyan, L Casillas-Martinez, P Setlow
The katX gene, which codes for the catalase in spores of Bacillus subtilis, is a forespore-specific gene controlled by sigmaF, and KatX is essential for hydrogen peroxide resistance of the germinating spore.
J Bacteriol: 1998, 180(8);2057-62
[PubMed:9555886] [WorldCat.org] [DOI] (P p)

L Casillas-Martinez, P Setlow
Alkyl hydroperoxide reductase, catalase, MrgA, and superoxide dismutase are not involved in resistance of Bacillus subtilis spores to heat or oxidizing agents.
J Bacteriol: 1997, 179(23);7420-5
[PubMed:9393707] [WorldCat.org] [DOI] (P p)