Catechol dioxygenase
Catechol dioxygenases belong to the class of oxidoreductases and have several different substrate specificities , including catechol 1 , 2-dioxygenase , catechol 2 , 3-dioxygenase , and protocatechuate 3 , 4-dioxygenase . 
<triplet> Catechol dioxygenase <subj> oxidoreductase <obj> subclass of <triplet> catechol 1,2-dioxygenase <subj> oxidoreductase <obj> subclass of <triplet> catechol 2,3-dioxygenase <subj> oxidoreductase <obj> subclass of