hydroxyquinol 1,2-dioxygenase activity
Catalysis of the reaction: benzene-1,2,4-triol + O2 = maleylacetate + 2 H+.
GO:0016702
oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen
is_a
4-hydroxycatechol 1,2-dioxygenase activity
exact