title: Ribozyme relationships: the hammerhead, hepatitis delta, and hairpin ribozymes have a common origin.
authors.forename: R J
authors.initials: RJ
authors.lastname: Harris
authors.forename: D
authors.initials: D
authors.lastname: Elder
mesh_terms: D001483:Base Sequence; D017124:Conserved Sequence; D019143:Evolution, Molecular; D003698:Hepatitis Delta Virus / Q000235:genetics*; D009690:Nucleic Acid Conformation; D016337:RNA, Catalytic / Q000737:chemistry / Q000235:genetics*; D012689:Sequence Homology, Nucleic Acid
chemical_list: D016337:RNA, Catalytic