title: Structure of the orgin of DNA replication of bacteriophage fd.
abstract: An RNA-polymerase-protected DNA fragment of 125 nucleotides from the origin of single-strand to double-strand replication of bacteriophage fd (ori-DNA) was located on the physical map of the phage genome. A stretch of 187 base pairs of DNA including the ori-DNA was sequenced. This DNA segment contains regions with a highly asymmetric pyrimidine/purine distribution next to regions with 2-fold symmetry that form stable hairpin structures in the viral DNA strand.
mesh_terms: D001483:Base Sequence; D002874:Chromosome Mapping; D003090:Coliphages / Q000235:genetics*; D004261:DNA Replication; D004279:DNA, Viral / Q000032:analysis / Q000235:genetics; D009690:Nucleic Acid Conformation; D014779:Virus Replication
chemical_list: D004279:DNA, Viral
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