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Transesterification


The transesterification reactions of this group I splicing are not catalyzed by protein factors. Rather, they are autocatalyzed.
The reactions catalyzed by this RNA can and have been studied using traditional approaches of enzymology.
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Intramolecular transesterification, resulting in a branched polypeptide. In inteins, the new ester bond is broken by an intramolecular attack by the soon-to-be C-terminal asparagine.
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