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Table 1 The estimated free energy of the binding of steroids to the KSTD1 active site

From: Universal capability of 3-ketosteroid Δ1-dehydrogenases to catalyze Δ1-dehydrogenation of C17-substituted steroids

Ligand

ΔGbind [kcal/mol]

Std. err. of ΔGbind [kcal/mol]

Androst-4-en-3,17-dione (1)

− 8.02

0.13

Cholest-4-en-3-one (2)

− 8.40

0.19

Diosgenone (3)

− 6.17

0.15

Androstanolone (4)

− 10.97

0.15

Progesterone (5)

− 8.23

0.17

Testosterone propionate (6)

− 7.85

0.15

6-Dehydrotestosterone acetate (7)

− 8.53

0.15