From: Universal capability of 3-ketosteroid Δ1-dehydrogenases to catalyze Δ1-dehydrogenation of C17-substituted steroids
Substrate
AcmB
KSTD1
kcat/Km [M−1 s−1]
Androst-4-en-3,17-dione (1)
(4.00 ± 0.04)∙106
(5.17 ± 0.03)∙106
Cholest-4-en-3-one (2)
(9.25 ± 0.17)∙106
(4.71 ± 0.03)∙105