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© IUBMB 2002
scoulerine to tetrahydrocolumbamine biosynthesis
EC 126.96.36.199 tetrahydroberberine oxidase
EC 188.8.131.52 berberine reductase
EC 184.108.40.206 methyltetrahydroprotoberberine 14-monooxygenase
EC 220.127.116.11 (S)-canadine synthase
EC 18.104.22.168 (S)-tetrahydroprotoberberine N-methyltransferase