EC |
1.14.20.13 |
Accepted name: |
6β-hydroxyhyoscyamine epoxidase |
Reaction: |
(6S)-6β-hydroxyhyoscyamine + 2-oxoglutarate + O2 = scopolamine + succinate + CO2 + H2O |
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For diagram of tropane alkaloid biosynthesis, click here |
Glossary: |
scopolamine = hyoscine = (1R,2R,4S,5S,7s)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl (2S)-3-hydroxy-2-phenylpropanoate |
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 |
References: |
1. |
Hashimoto, T., Kohno, J. and Yamada, Y. 6β-Hydroxyhyoscyamine epoxidase from cultured roots of Hyoscyamus niger. Phytochemistry 28 (1989) 1077–1082. |
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[EC 1.14.20.13 created 1992 as EC 1.14.11.14, transferred 2018 to EC 1.14.20.13] |
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