Reaction catalyzed by ditrans,polycis-polyprenyl diphosphate synthase [(2E,6E)-farnesyl diphosphate specific] (2.5.1.87)

		+	5		=	5		+
	(2E,6E)-farnesyl diphosphate	+		5 isopentenyl diphosphate	=		5 diphosphate	+		di-trans,poly-cis-octaprenyl diphosphate