Reaction catalyzed by trihydroxypterocarpan dimethylallyltransferase (2.5.1.36)

		+			=			+
	dimethylallyl diphosphate	+		(6aS,11aS)-3,6a,9-trihydroxypterocarpan	=		diphosphate	+		2-dimethylallyl-(6aS,11aS)-3,6a,9-trihydroxypterocarpan