title: Localization of a deletion in the DNA of a biologically active simian virus 40 strain.
mesh_terms: D002460:Cell Line; D004261:DNA Replication; D004262:DNA Restriction Enzymes; D004270:DNA, Circular / Q000378:metabolism; D004279:DNA, Viral / Q000378:metabolism; D009154:Mutation; D013539:Simian virus 40 / Q000378:metabolism*; D013045:Species Specificity; D014779:Virus Replication
chemical_list: D004270:DNA, Circular; D004279:DNA, Viral; D004262:DNA Restriction Enzymes