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© IUBMB 2002
scoulerine to tetrahydrocolumbamine biosynthesis
EC 188.8.131.52 tetrahydroberberine oxidase
EC 184.108.40.206 berberine reductase
EC 220.127.116.11 methyltetrahydroprotoberberine 14-monooxygenase
EC 18.104.22.168 (S)-canadine synthase
EC 22.214.171.124 (S)-tetrahydroprotoberberine N-methyltransferase