3x Acetyl- CoA(C2) Pyruvate (c3) Glyceraldehyde C3) Mevalonate CHa-C-CH2-CH2-OH Methylerythritol CH phosphate Mevalonic acid Methylerythritol phosphate (MEP) cH2-o-① 人c2-更→ soprano(C) Isopentenyl diphosphate (IPP Co (DMAPP Cs cH2-0- Monoterpenes (Cto) Goranyl diphosphate (GPP CIo) Triterpenes(cap) Farnesyl diphosphate (FPP Cu) cH2-- Diter penes(Czo) Tetraterpenes (Cao) Geranylgeranyl diphosphate (GGPP, Czo FIGURE 13.5 Outline of terpene biosynthesis, The basie 5-carbon units of terpenes are synthesized by two different pathways, The phosphorylated intermediates, IPl and DMAPP are combined to make 10-carbon, 15-carbon and larger terpenes. Figure 5-5Figure 5-5