title: A nonfunctional protein in human leukemia cells reacts with antiserum to dihydrofolate reductase from L1210 leukemia cells.
mesh_terms: D000818:Animals; D002645:Chickens / Q000276:immunology; D000939:Epitopes / Q000276:immunology; D006801:Humans; D005779:Immunodiffusion; D007939:Leukemia L1210 / Q000201:enzymology*; D007951:Leukemia, Myeloid / Q000201:enzymology*; D008727:Methotrexate / Q000378:metabolism; D051379:Mice; D013762:Tetrahydrofolate Dehydrogenase / Q000276:immunology* / Q000378:metabolism
chemical_list: D000939:Epitopes; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate