title: Deletion mutants of SV40 that affect the structure of viral tumor antigens.
mesh_terms: D000951:Antigens, Neoplasm / Q000235:genetics*; D000956:Antigens, Viral / Q000235:genetics*; D000957:Antigens, Viral, Tumor; D002872:Chromosome Deletion; D002874:Chromosome Mapping; D004274:DNA, Recombinant; D005796:Genes; D005814:Genes, Viral; D009154:Mutation; D013539:Simian virus 40 / Q000235:genetics*; D014764:Viral Proteins / Q000235:genetics*
chemical_list: D000951:Antigens, Neoplasm; D000956:Antigens, Viral; D000957:Antigens, Viral, Tumor; D004274:DNA, Recombinant; D014764:Viral Proteins