title: Evolutionary variants of simian virus 40: cloned substituted variants containing multiple initiation sites for DNA replication.
mesh_terms: D000818:Animals; D001483:Base Sequence; D005075:Biological Evolution; D002460:Cell Line; D002874:Chromosome Mapping; D004247:DNA / Q000032:analysis; D004261:DNA Replication; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel; D005796:Genes; D014644:Genetic Variation; D000882:Haplorhini; D007668:Kidney; D008854:Microscopy, Electron; D008954:Models, Biological; D009693:Nucleic Acid Hybridization; D013539:Simian virus 40 / Q000032:analysis*
chemical_list: D004279:DNA, Viral; D004247:DNA; D004262:DNA Restriction Enzymes