Reaction: 2-amino-4-hydroxypteridine + O2 = 2-amino-4,7-dihydroxypteridine + (?)
Systematic name: 2-amino-4-hydroxypteridine:oxygen oxidoreductase (7-hydroxylating)
Comments: Different from EC 1.17.3.2 xanthine oxidase; does not act on hypoxanthine.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 74082-65-8
References:
1. Yong, Y.-N. Detection of a pteridine oxidase in plants. Plant Sci. Lett. 18 (1980) 169-175.