Geranyl diphosphate synthase (GPPS) is a plastid localized enzyme that catalyzes the biosynthesis of Geranyl diphosphate (GPP). which is a universal precursor of monoterpenes. Wintersweet (Chimonanthus praecox L. ). https://www.jmannino.com/special-deal-A-Magazine-Curated-By-Sacai-quick-pick/