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References
- ↑ Amann M, Nagakura N, Zenk MH (July 1988). "Purification and properties of (S)-tetrahydroprotoberberine oxidase from suspension-cultured cells of Berberis wilsoniae". European Journal of Biochemistry. 175 (1): 17–25. doi: 10.1111/j.1432-1033.1988.tb14160.x . PMID 3402447.
- ↑ Amann M, Nagakura N, Zenk MH (1984). "(S)-tetrahydroprotoberberine oxidase the final enzyme in protoberberine biosynthesis". Tetrahedron Lett. 25 (9): 953–4. doi:10.1016/S0040-4039(01)80071-X.
- ↑ Okada N, Shinmyo A, Okada H, Yamada Y (1988). "Purification and characterization of (S)-tetrahydroberberine oxidase from cultured Coptis japonica cells". Phytochemistry. 27 (4): 979–82. doi:10.1016/0031-9422(88)80255-3.
- ↑ Okada N, Koizumi N, Tanaka T, Ohkubo H, Nakanishi S, Yamada Y (January 1989). "Isolation, sequence, and bacterial expression of a cDNA for (S)-tetrahydroberberine oxidase from cultured berberine-producing Coptis japonica cells". Proceedings of the National Academy of Sciences of the United States of America. 86 (2): 534–8. Bibcode:1989PNAS...86..534O. doi: 10.1073/pnas.86.2.534 . PMC 286506 . PMID 2463630.
