CARB 84-Elucidating the role of a hydrogen bond donor at the 2'-position of the 3'-linked departing nucleoside in transesterification by large ribozymes: Hydrolytic reactions of 2',3'-O-methyleneadenosin-5'-yl 5'-O-methyluridin-3'-yl 5'-O-methyl-2'-trifluoroacetamido-2'-deoxyuridin-3'-yl phosphate - UTU Tutkimustietojärjestelmä