The Enzyme Database

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Accepted name: 6β-hydroxyhyoscyamine epoxidase
Reaction: (6S)-6β-hydroxyhyoscyamine + 2-oxoglutarate + O2 = scopolamine + succinate + CO2 + H2O
For diagram of tropane alkaloid biosynthesis, click here
Glossary: scopolamine = hyoscine
Other name(s): hydroxyhyoscyamine dioxygenase; (6S)-6-hydroxyhyoscyamine,2-oxoglutarate oxidoreductase (epoxide-forming)
Systematic name: (6S)-6β-hydroxyhyoscyamine,2-oxoglutarate:oxygen oxidoreductase (epoxide-forming)
Comments: Requires Fe2+ and ascorbate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 121479-53-6
1.  Hashimoto, T., Kohno, J. and Yamada, Y. 6β-Hydroxyhyoscyamine epoxidase from cultured roots of Hyoscyamus niger. Phytochemistry 28 (1989) 1077–1082.
[EC created 1992]

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