CATH Classification

Domain Context

CATH Clusters

Superfamily Peroxidase, domain 2
Functional Family Catalase-peroxidase

Enzyme Information

1.11.1.21
Catalase peroxidase.
based on mapping to UniProt Q3JNW6
(1) Donor + H(2)O(2) = oxidized donor + 2 H(2)O. (2) 2 H(2)O(2) = O(2) + 2 H(2)O.
-!- Differs from EC 1.11.1.7, peroxidase, in having a relatively high catalase (EC 1.11.1.6) activity with H(2)O(2) as donor, releasing O(2); both activities use the same heme active site. -!- In Mycobacterium tuberculosis it is responsible for activation of the commonly used antitubercular drug, isoniazid.

UniProtKB Entries (1)

Q3JNW6
KATG_BURP1
Burkholderia pseudomallei 1710b
Catalase-peroxidase

PDB Structure

PDB 5SX7
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Roles for Arg426 and Trp111 in the modulation of NADH oxidase activity of the catalase-peroxidase KatG from Burkholderia pseudomallei inferred from pH-induced structural changes.
Carpena, X., Wiseman, B., Deemagarn, T., Herguedas, B., Ivancich, A., Singh, R., Loewen, P.C., Fita, I.
Biochemistry