KatX

• 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 This image was kindly provided by SubtiList
Expression at a glance   PubMed

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

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

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:

• UniProt: P94377

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: katX PubMed

• Expression browser: katX PubMed

• Sigma factor: SigB PubMed, SigF PubMed

• Regulation:
  • expressed early during sporulation in the forespore (SigF, RsfA) PubMed
  • induced by stress (SigB) PubMed

• Regulatory mechanism:
  • RsfA: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: