title: Isolation of knotted DNA from coliphage P4.
authors.affiliation: Genosys Biotechnologies, Inc., Babraham Institute East Laboratories, Cambs, UK.
authors.forename: M
authors.initials: M
authors.lastname: Isaksen
authors.forename: B
authors.initials: B
authors.lastname: Julien
authors.forename: R
authors.initials: R
authors.lastname: Calendar
authors.forename: B H
authors.initials: BH
authors.lastname: Lindqvist
mesh_terms: D002213:Capsid / Q000378:metabolism; D003090:Coliphages / Q000235:genetics*; D004264:DNA Topoisomerases, Type I / Q000494:pharmacology; D004278:DNA, Superhelical / Q000235:genetics / Q000302:isolation & purification*; D004279:DNA, Viral / Q000235:genetics* / Q000302:isolation & purification; D004926:Escherichia coli / Q000235:genetics*; D009154:Mutation; D009690:Nucleic Acid Conformation
chemical_list: D004278:DNA, Superhelical; D004279:DNA, Viral; D004264:DNA Topoisomerases, Type I