title: [Functional domains study of topoisomerase I].
authors.forename: P
authors.initials: P
authors.lastname: Cao
mesh_terms: D004260:DNA Repair; D004264:DNA Topoisomerases, Type I / Q000502:physiology*; D006801:Humans; D017386:Sequence Homology, Amino Acid
chemical_list: D004264:DNA Topoisomerases, Type I