title: Studies on dihydrofolic reductase. 3. Activation of the chicken liver enzyme by urea and thiourea.
mesh_terms: D000818:Animals; D002645:Chickens; D005492:Folic Acid; D005559:Formamides; D005990:Glycerol; D006146:Guanidines; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008099:Liver / Q000201:enzymology; D009243:NAD; D009249:NADP; D009905:Optical Rotatory Dispersion; D011485:Protein Binding; D013762:Tetrahydrofolate Dehydrogenase; D013890:Thiourea; D014508:Urea
chemical_list: D005559:Formamides; D006146:Guanidines; D009243:NAD; D009249:NADP; D014508:Urea; D005492:Folic Acid; D013762:Tetrahydrofolate Dehydrogenase; D013890:Thiourea; D005990:Glycerol