however , phenylpyruvic acid inhibited 3 alpha-hydroxysteroid dehydrogenase and low-molecular-weight aldehyde reductase noncompetitively with respect to either nadph or substrate , whereas it inhibited 3 beta-hydroxysteroid dehydrogenase and high-molecular-weight aldehyde reductase uncompetitively .
C0048751
3 alpha-hydroxysteroid dehydrogenase
C0000413
3 beta-hydroxysteroid dehydrogenase