label: tetrahydroxybenzophenone synthase activity
label_lc: tetrahydroxybenzophenone synthase activity
description: "Catalysis of the reaction: 3-hydroxybenzoyl-CoA + 3 malonyl-CoA = 3 CO2 + 2,3',4,6-tetrahydroxybenzophenone + 4 coenzyme A."