title: Use of enzyme-deficient cell culture lines as a biochemical screen for study of purines, purine nucleosides and related compounds.
mesh_terms: D000227:Adenine Nucleotides; D002247:Carbon Isotopes; D002294:Carcinoma, Squamous Cell / Q000201:enzymology; D002460:Cell Line; D002478:Cells, Cultured; D004351:Drug Resistance; D006150:Guanine Nucleotides; D006801:Humans; D007042:Hypoxanthines; D015122:Mercaptopurine / Q000494:pharmacology; D010430:Pentosyltransferases / Q000378:metabolism*; D010770:Phosphotransferases / Q000378:metabolism*; D011685:Purine Nucleotides; D011686:Purine-Pyrimidine Metabolism, Inborn Errors; D013460:Sulfur Isotopes
chemical_list: D000227:Adenine Nucleotides; D002247:Carbon Isotopes; D006150:Guanine Nucleotides; D007042:Hypoxanthines; D011685:Purine Nucleotides; D013460:Sulfur Isotopes; D015122:Mercaptopurine; D010430:Pentosyltransferases; D010770:Phosphotransferases