Last modified: Tue Jul 6 11:02:14 BST 2004

Steroid carbon nomenclature

Trivial name: 7alpha-Hydroxytestosterone
Systematic name: 7alpha,17ß-Dihydroxyandrost-4-en-3-one
Molecular formula: C19H28O3

Product [1]

Pathway: Testosterone -> 7alpha-Hydroxytestosterone
Reaction: steroid alpha-hydroxylation at C7
Enzyme: testosterone 7alpha-hydroxylase, CYP2A1


  1. Nagata, K., Matsunaga, T., Gillette, J., Gelboin, H.V. and Gonzalez, F.J. (1987) Rat testosterone 7alpha-hydroxylase. Isolation, sequence, and expression of cDNA and its developmental regulation and induction by 3-methylcholanthrene. J. Biol. Chem. 262, 2787-2793.

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