Sterol ring B, C, D modification

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Part of cholesterol biosynthesis

© IUBMB 2001

For details of steroid numbering see the Nomenclature of steroids 3S-1.1.


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enzymes homepage.
calciferol biosynthesis
EC 1.3.1.21 7-dehydrocholesterol reductase
EC 1.3.1.70 Δ14 sterol reductase
EC 1.14.21.6 lathosterol oxidase (formerly EC 1.3.3.2)
EC 1.14.13.70 sterol 14α-demethylase
EC 5.3.3.5 cholestenol Δ-isomerase