Cortisol

Last modified: Tue Jul 6 11:51:45 BST 2004

Steroid carbon nomenclature

Trivial names: Cortisol; Hydrocortisone; Kendall's compound F; Reichstein's substance M
Systematic name: 11ß,17alpha,21-Trihydroxypregn-4-ene-3,20-dione
Molecular formula: C21H30O5
CAS Number: 50-23-7
Merck Index (11th Ed) Number: 4710
COMPOUND: C00735

Substrate

Pathway: Cortisol -> 18-Hydroxycortisol
Reaction: steroid hydroxylation at C18
Enzyme: P450c18 (steroid 18-hydroxylase), CYP11B1
EC 1.14.15.4 Enzyme: P450c18 (steroid 18-hydroxylase), CYP11B2
EC 1.14.15.5 Enzyme: P450c18 (steroid 18-hydroxylase), CYP11B3
EC 1.14.15.4

Product

Pathway: 11-Deoxycortisol -> Cortisol
Reaction: steroid ß-hydroxylation at C11
Enzyme: P450c11 (steroid 11ß-hydroxylase), CYP11B
EC 1.14.15.4

Reference

  1. Ruckpaul, K. and Rein, H., Eds. (1990) Frontiers in Biotransformation, vol. 3: Molecular Mechanisms of Adrenal Steroidogenesis and Aspects of Regulation and Application. Taylor & Francis, London.

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