Reaction catalyzed by (2E,6E)-farnesyl-diphosphate all-trans-nonaprenyl diphosphate synthase (2.5.1.B14), all-trans-nonaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] (2.5.1.85)

		+	8		=	8		+
	dimethylallyl diphosphate	+		8 isopentenyl diphosphate	=		8 diphosphate	+		all-trans-nonaprenyl diphosphate