title: On testicular 17 -hydroxysteroid oxidoreductase product activation of testosterone formation from androstenedione in vitro.
mesh_terms: D015068:17-Ketosteroids / Q000378:metabolism*; D000368:Aged; D000728:Androgens / Q000378:metabolism*; D000735:Androstenedione / Q000378:metabolism; D000818:Animals; D001665:Binding Sites; D002247:Carbon Isotopes; D002474:Cell-Free System; D003460:Crystallization; D004789:Enzyme Activation; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006913:Hydroxysteroid Dehydrogenases / Q000378:metabolism*; D007700:Kinetics; D008297:Male; D008861:Microsomes / Q000201:enzymology; D051381:Rats; D013045:Species Specificity; D013696:Temperature; D013737:Testis / Q000187:drug effects / Q000201:enzymology*; D013739:Testosterone / Q000096:biosynthesis* / Q000302:isolation & purification / Q000494:pharmacology; D014316:Tritium
chemical_list: D015068:17-Ketosteroids; D000728:Androgens; D002247:Carbon Isotopes; D014316:Tritium; D013739:Testosterone; D000735:Androstenedione; D006913:Hydroxysteroid Dehydrogenases