Function and Biology

Compound I from Proteus mirabilis catalase

Source organism: Proteus mirabilis
Biochemical function: metal ion binding
Biological process: cellular oxidant detoxification
Cellular component: cytoplasm

EC 1.11.1.6: Catalase

Reaction catalysed:
2 H(2)O(2) = O(2) + 2 H(2)O
Systematic name:
Hydrogen-peroxide:hydrogen-peroxide oxidoreductase
Alternative Name(s):
  • CAT
  • Caperase
  • Catalase-peroxidase
  • Equilase
  • Optidase

Sequence families

Pfam Protein families (Pfam)
PF06628
Domain description: Catalase-related immune-responsive
Occurring in:
  1. Catalase
The deposited structure of PDB entry 1mqf contains 1 copy of Pfam domain PF06628 (Catalase-related immune-responsive) in Catalase. Showing 1 copy in chain A.

PF00199
Domain description: Catalase
Occurring in:
  1. Catalase
The deposited structure of PDB entry 1mqf contains 1 copy of Pfam domain PF00199 (Catalase) in Catalase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR018028
Domain description: Catalase, mono-functional, haem-containing
Occurring in:
  1. Catalase
IPR011614
Domain description: Catalase core domain
Occurring in:
  1. Catalase
IPR010582
Domain description: Catalase immune-responsive domain
Occurring in:
  1. Catalase
IPR002226
Domain description: Catalase haem-binding site
Occurring in:
  1. Catalase
IPR040333
Domain description: Catalase, clade 3
Occurring in:
  1. Catalase
IPR024708
Domain description: Catalase active site
Occurring in:
  1. Catalase
IPR020835
Domain description: Catalase superfamily
Occurring in:
  1. Catalase
IPR024711
Domain description: Catalase, mono-functional, haem-containing, clades 1 and 3
Occurring in:
  1. Catalase

Structure domain

CATH CATH domain
2.40.180.10
Class: Mainly Beta
Architecture: Beta Barrel
Topology: Catalase HpII, Chain A, domain 1
Homology: Catalase core domain
Occurring in:
  1. Catalase
The deposited structure of PDB entry 1mqf contains 1 copy of CATH domain 2.40.180.10 (Catalase HpII,  Chain A, domain 1) in Catalase. Showing 1 copy in chain A.
SCOP SCOP annotation
56635
Class: Multi-domain proteins (alpha and beta)
Fold: Heme-dependent catalase-like
Superfamily: Heme-dependent catalase-like
Occurring in:
  1. Catalase
The deposited structure of PDB entry 1mqf contains 1 copy of SCOP domain 56635 (Heme-dependent catalases) in Catalase. Showing 1 copy in chain A.