Last modified: Tue Jul 6 14:50:04 BST 2004

Steroid carbon nomenclature

Trivial name: 7ß-Hydroxypregnenolone
Systematic name: 3ß,7ß-Dihydroxypregn-5-en-20-one
Molecular formula: C21H32O3

Product [1]

Pathway: Pregnenolone -> 7ß-Hydroxypregnenolone
Reaction: steroid ß-hydroxylation at C7
Enzyme: P450 1A1


  1. Doostzadeh, J., Urban, P., Pompon, D. and Morfin, R. (1996) Pregnenolone-7ß-hydroxylating activities of yeast-expressed mouse cytochrome P450-1A1 and mouse-tissue microsomes. Eur. J. Biochem. 242, 641-647.

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