obsolete 4,4'-dihydroxy-alpha-methylstilbene dioxygenase activity (obsolete GO:0034564)
OBSOLETE. Catalysis of the reaction: 4,4'-dihydroxy-alpha-methylstilbene + O2 = 4-hydroxybenzaldehyde + 4-hydroxyacetophenone + 2 H+ + 2 e-.