title: Untransformed rat cells containing free and integrated DNA of a polyoma nontransforming (Hr-t) mutant.
mesh_terms: D000818:Animals; D000956:Antigens, Viral; D001483:Base Sequence; D002471:Cell Transformation, Neoplastic; D002872:Chromosome Deletion; D002999:Clone Cells; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000378:metabolism*; D003673:Defective Viruses / Q000235:genetics / Q000378:metabolism*; D011120:Polyomavirus / Q000235:genetics / Q000378:metabolism*; D051381:Rats; D014764:Viral Proteins / Q000378:metabolism
chemical_list: D000956:Antigens, Viral; D004279:DNA, Viral; D014764:Viral Proteins; D004262:DNA Restriction Enzymes