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CATH Classification

Domain Context

CATH Clusters

Superfamily Urate Oxidase;
Functional Family Uricase

Enzyme Information

1.7.3.3
Factor independent urate hydroxylase.
based on mapping to UniProt Q00511
Urate + O(2) + H(2)O = 5-hydroxyisourate + H(2)O(2).
-!- Was previously thought to be a copper protein, but it is now known that the enzymes from soybean (Glycine max), the mold Aspergillus flavus and Bacillus subtilis contains no copper nor any other transition-metal ion. -!- The 5-hydroxyisourate formed decomposes spontaneously to form allantoin and CO(2), although there is an enzyme-catalyzed pathway in which EC 3.5.2.17 catalyzes the first step. -!- The enzyme is different from EC 1.14.13.113.

UniProtKB Entries (1)

Q00511
URIC_ASPFL
Aspergillus flavus
Uricase

PDB Structure

PDB 3BJP
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural analysis of urate oxidase in complex with its natural substrate inhibited by cyanide: Mechanistic implications
Gabison, L., Prange, T., Colloc'h, N., El Hajji, M., Castro, B., Chiadmi, M.
Bmc Struct.Biol.
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