Ligand (22S,24R)-22-hydroxy-5alpha-ergostan-3-one
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Basic Ligand Information
Molecular Structure

C28H48O2
(22S,24R)-22-hydroxy-5alpha-ergostan-3-one
XGIZPVUTLMXXTK-AGHAXPQUSA-N
22alpha-hydroxy-5alpha-campestan-3-one
Roles as Enzyme Ligand
In Vivo Substrate in Enzyme-catalyzed Reactions (1 result)
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(22S,24R)-22-hydroxy-5alpha-ergostan-3-one + [reduced NADPH-hemoprotein reductase] + O2 = 3-dehydro-6-deoxoteasterone + [oxidized NADPH-hemoprotein reductase] + H2O
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Substrate in Enzyme-catalyzed Reactions (1 result)
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(22S,24R)-22-hydroxy-5alpha-ergostan-3-one + [reduced NADPH-hemoprotein reductase] + O2 = 3-dehydro-6-deoxoteasterone + [oxidized NADPH-hemoprotein reductase] + H2O
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Enzyme Kinetic Parameters
kcat Value (Turnover Number) (2 results)
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0.021
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pH 7.3, 30°C, enzyme CYP90D1
KM Value (2 results)
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0.73
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pH 7.3, 30°C, enzyme CYP90D1
References & Links
Literature References (1)
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C-23 hydroxylation by Arabidopsis CYP90C1 and CYP90D1 reveals a novel shortcut in brassinosteroid biosynthesis
2006
Ohnishi, T.; Szatmari, A.M.; Watanabe, B.; Fujita, S.; Bancos, S.; Koncz, C.; Lafos, M.; Shibata, K.; Yokota, T.; Sakata, K.; Szekeres, M.; Mizutani M.
Plant Cell
18
3275-3288
Links to other databases for (22S,24R)-22-hydroxy-5alpha-ergostan-3-one