1.1.1.270 0.0014 - partially purified enzyme 286472 1.1.1.270 0.0039 - with substrate 5alpha-dihydrotestosterone, formation of the 3alpha-hydroxysteroid 677144 1.1.1.270 0.0161 - with substrate 5alpha-dihydrotestosterone, formation of the 3beta-hydroxysteroid 677144 1.1.1.270 0.0312 - with substrate tibolone 677144 1.1.1.270 0.0432 - with substrate progesterone 677144