Capping by branching: a new ribozyme makes tiny lariats.
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.
Pyle
Anna Marie
AM
Department of Molecular Biophysics and Biochemistry, Howard Hughes Medical Institute, Yale University, 266 Whitney Avenue, Bass Building Room 334, New Haven, CT 06520, USA.
D007438:Introns; D009690:Nucleic Acid Conformation; D012315:RNA Caps / Q000737:chemistry*; D012326:RNA Splicing; D016337:RNA, Catalytic / Q000737:chemistry / Q000378:metabolism*
C116167:GIR1 ribozyme; D012315:RNA Caps; D016337:RNA, Catalytic