Tags: Enzyme.
All-trans-nonaprenyl diphosphate synthase (geranylgeranyl-diphosphate specific) (EC 2.5.1.85 nonaprenyl diphosphate synthase solanesyl diphosphate synthase At-SPS2 At-SPS1 SPS1 SPS2) is an enzyme with system name geranylgeranyl-diphosphate:isopentenyl-diphosphate transtransferase (adding 5 isopentenyl units).