Biflaviolin synthase (, CYP158A2, CYP 158A2, cytochrome P450 158A2) is an enzyme with systematic name flaviolin,NADPH:oxygen oxidoreductase. This enzyme catalyses the following chemical reaction
This cytochrome P450 enzyme, from the soil-dwelling bacterium Streptomyces coelicolor A3(2), catalyses a phenol oxidation C-C coupling reaction.