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Tocopherol biosynthesis in plants. Dashed arrows represent multiple steps. Enzymes are indicated in circles: HPT; TAT; PD, prephenate dehydrogenase; HPPD; HGAD; GGDR; GGPS1; KIN, unspecified kinase; CHLase, chlorophyllase; MPBQ MT; TC; γ-TMT.
