title: Nucleotide sequence with elements of an unusual two-fold rotational symmetry in the region of origin of replication of SV40 DNA+.
mesh_terms: D001483:Base Sequence; D001665:Binding Sites; D004261:DNA Replication; D004279:DNA, Viral / Q000096:biosynthesis; D003851:Deoxyribonucleases; D004720:Endonucleases; D009690:Nucleic Acid Conformation; D013539:Simian virus 40 / Q000378:metabolism*
chemical_list: D004279:DNA, Viral; D003851:Deoxyribonucleases; D004720:Endonucleases