1.1.1.53 100 - 5alpha-dihydrotestosterone mutant enzyme, at pH 7.4 and 37°C 738928 1.1.1.53 1100 - progesterone mutant enzyme, at pH 7.4 and 37°C 738928 1.1.1.53 250 - progesterone wild type enzyme, at pH 7.4 and 37°C 738928 1.1.1.53 1680 - 5alpha-dihydrotestosterone wild type enzyme, at pH 7.4 and 37°C 738928