title: Mutants of simian virus 40 with base substitutions at the origin of DNA replication.
mesh_terms: D001483:Base Sequence; D001665:Binding Sites; D004261:DNA Replication; D004279:DNA, Viral / Q000378:metabolism; D005816:Genetic Complementation Test; D007700:Kinetics; D009154:Mutation; D010641:Phenotype; D013539:Simian virus 40 / Q000235:genetics*; D014779:Virus Replication
chemical_list: D004279:DNA, Viral