Cholesterol desmolase
(CYP11A)
21-Hydroxylase
(CYP21)
3β-Hydroxysteroid
deydrogenase
Cholesterol
Pregnenolone
Progesterone
18-Hydroxylase
(CYP11B2)
18-OH Corticosterone
Aldosterone
17α-Hydroxylase
(CYP17)
11β-Hydroxylase
(CYP11B2)
17-OH pregnenolone
11-Desoxycortisol
Cortisol
Dehydroepiandrosterone
Androstenedione
Deoxycorticosterone
18-Oxidase
(CYP11B2)
Corticosterone
17,20-Lyase
17-OH progesterone
11β-Hydroxylase
(CYP11B1)
17β-Hydroxysteroid
dehydrogenase
5α-Reductase
Testosterone
Dihydrotestosterone
O
CH
3
3
11
HO
17
CH
2
HC = O
21
CH
2
OH
O
CH
3
3
17
CH
3
OH
O
CH
3
3
11
HO
18
CH
HC = O
21
CH
2
OH
O
O
CH
3
CH
3
HC
CH
3
CH
2
CH
2
CH
2
CH
CH
3
CH
3
© 2020 Prof. Dr. Lothar Thomas, Kirschbaumweg 8, D-60489 Frankfurt