title: Some effects of ring-A structure on the interaction of 3-oxo-steroids of the androstane series with cortisone reductase.
mesh_terms: D000731:Androstanes; D001665:Binding Sites; D003348:Cortisone; D004962:Estranes; D006914:Hydroxysteroids; D007664:Ketosteroids; D007700:Kinetics; D009243:NAD; D010088:Oxidoreductases / Q000037:antagonists & inhibitors*; D013329:Structure-Activity Relationship
chemical_list: D000731:Androstanes; D004962:Estranes; D006914:Hydroxysteroids; D007664:Ketosteroids; D009243:NAD; D010088:Oxidoreductases; D003348:Cortisone