title: Deletion mutants of simian virus 40 generated by enzymatic excision of DNA segments from the viral genome.
mesh_terms: D002874:Chromosome Mapping; D004270:DNA, Circular / Q000378:metabolism; D004279:DNA, Viral / Q000378:metabolism*; D004586:Electrophoresis; D004720:Endonucleases; D005796:Genes; D005816:Genetic Complementation Test; D006193:Haemophilus influenzae / Q000201:enzymology; D009154:Mutation; D013539:Simian virus 40 / Q000378:metabolism*; D010948:Viral Plaque Assay
chemical_list: D004270:DNA, Circular; D004279:DNA, Viral; D004720:Endonucleases