Sterol ring B, C, D modification

When cursor points to a box further details will be displayed in a tooltip window. If you click on the box it will change to the appropriate reaction scheme or enzyme specification.

Part of cholesterol biosynthesis

© IUBMB 2001

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

Return to:

enzymes homepage.
calciferol biosynthesis
EC 7-dehydrocholesterol reductase
EC Δ14 sterol reductase
EC sterol 14α-demethylase
EC Δ7-sterol 5(6)-desaturase
EC see EC
EC cholestenol Δ-isomerase