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Catalase solved at 3.2 Angstrom resolution by MicroED

Source organism: Bos taurus
Biochemical function: metal ion binding
Biological process: cellular detoxification of hydrogen peroxide
Cellular component: catalase complex

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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

GO terms

Sequence families

Pfam Protein families (Pfam)
PF06628
Domain description: Catalase-related immune-responsive
Occurring in:
  1. Catalase
The deposited structure of PDB entry 3j7b contains 4 copies 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 3j7b contains 4 copies 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
IPR024711
Domain description: Catalase, mono-functional, haem-containing, clades 1 and 3
Occurring in:
  1. Catalase
IPR020835
Domain description: Catalase superfamily
Occurring in:
  1. Catalase

Structure domains

CATH CATH domains
1.20.1370.60
Class: Mainly Alpha
Architecture: Up-down Bundle
Topology: Hemocyanin, N-terminal domain
Homology: Hemocyanin, N-terminal domain
Occurring in:
  1. Catalase
The deposited structure of PDB entry 3j7b contains 4 copies of CATH domain 1.20.1370.60 (Hemocyanin, N-terminal domain) in Catalase. Showing 1 copy in chain A.
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 3j7b contains 4 copies of CATH domain 2.40.180.10 (Catalase HpII, Chain A, domain 1) in Catalase. Showing 1 copy in chain A.
4.10.91.20
Class: Few Secondary Structures
Architecture: Irregular
Topology: Cytochrome C Oxidase; Chain J
Homology: Cytochrome C Oxidase; Chain J
Occurring in:
  1. Catalase
The deposited structure of PDB entry 3j7b contains 4 copies of CATH domain 4.10.91.20 (Cytochrome C Oxidase; Chain J) in Catalase. Showing 1 copy in chain A.

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