title: Identification of DNA sequence changes leading to loss of transforming ability in polyoma virus.
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D002472:Cell Transformation, Viral; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000378:metabolism; D005815:Genetic Code; D009154:Mutation; D011120:Polyomavirus / Q000378:metabolism*; D013045:Species Specificity; D014764:Viral Proteins / Q000096:biosynthesis
chemical_list: D004279:DNA, Viral; D014764:Viral Proteins; D004262:DNA Restriction Enzymes