Reaction catalyzed by heptaprenyl diphosphate synthase (2.5.1.30), hexaprenyl diphosphate synthase [geranylgeranyl-diphosphate specific] (2.5.1.82), hexaprenyl diphosphate synthase [(2E,6E)-farnesyl-diphosphate specific] (2.5.1.83) show all sequences for 2.5.1.83
+4
=4
+
geranyl diphosphate
+
4 isopentenyl diphosphate
=
4 diphosphate
+
all-trans-hexaprenyl diphosphate