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Simplified tocopherol biosynthesis pathway in plants. Abbreviations: DMPBQ, 2,3‐dimethyl‐5‐phytyl‐1,4‐benzoquinone; HGA, homogentisic acid; HPP, p‐hydroxyphenylpyruvate; HPPD, HPP dioxygenase; MPBQ, 2‐methyl‐6‐phytyl‐1,4‐benzoquinone; PDP, phytyl‐diphosphate; VTE1, tocopherol cyclase; VTE2, homogentisate phytyltransferase; VTE3, MPBQ methyltransferase; VTE4, γ‐tocopherol methyltransferase; VTE5, phytol kinase.
