title: Ribonucleotide reductase isolated from human cells. Heterogeneity among the sources.
mesh_terms: D000244:Adenosine Diphosphate; D000818:Animals; D002477:Cells / Q000201:enzymology; D003565:Cytidine Diphosphate; D006367:HeLa Cells; D006801:Humans; D006918:Hydroxyurea / Q000494:pharmacology; D007546:Isoquinolines / Q000494:pharmacology; D007942:Leukemia, Experimental / Q000378:metabolism; D010618:Phenanthrolines / Q000494:pharmacology; D011189:Potassium Chloride / Q000494:pharmacology; D012264:Ribonucleotide Reductases / Q000378:metabolism*
chemical_list: D007546:Isoquinolines; D010618:Phenanthrolines; D000244:Adenosine Diphosphate; D003565:Cytidine Diphosphate; D011189:Potassium Chloride; D012264:Ribonucleotide Reductases; D006918:Hydroxyurea