title: Capping by branching: a new ribozyme makes tiny lariats.
abstract: The number of naturally occurring RNA enzymes has just been expanded by the discovery of a new branching ribozyme. But this ribozyme has unexpected relatives: group I introns.
authors.affiliation: Department of Molecular Biophysics and Biochemistry, Howard Hughes Medical Institute, Yale University, 266 Whitney Avenue, Bass Building Room 334, New Haven, CT 06520, USA.
authors.forename: Anna Marie
authors.initials: AM
authors.lastname: Pyle
mesh_terms: D007438:Introns; D009690:Nucleic Acid Conformation; D012315:RNA Caps / Q000737:chemistry*; D012326:RNA Splicing; D016337:RNA, Catalytic / Q000737:chemistry / Q000378:metabolism*
chemical_list: C116167:GIR1 ribozyme; D012315:RNA Caps; D016337:RNA, Catalytic