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Part of cholesterol biosynthesis
© IUBMB 2001
For details of steroid numbering see the Nomenclature of steroids 3S-1.1.
enzymes homepage.
calciferol biosynthesis
EC 1.3.1.21 7-dehydrocholesterol reductase
EC 1.3.1.70 Δ14 sterol reductase
EC 1.14.14.154 sterol 14α-demethylase
EC 1.14.15.36 sterol 14α-demethylase (ferredoxin)
EC 1.14.19.20 Δ7-sterol 5(6)-desaturase
EC 1.14.21.6 see EC 1.14.19.20
EC 5.3.3.5 cholestenol Δ-isomerase