Optimization and generality of a small deoxyribozyme that ligates RNA.

Abstract excerpt

In vitro evolution was previously used to identify a small deoxyribozyme, 7Q10, that ligates RNA with formation of a 2'-5' phosphodiester linkage from a 2',3'-cyclic phosphate and a 5'-hydroxyl group. Ligation occurs in a convenient "binding arms" format analogous to that of the well-known 10-23 and 8-17 RNA-cleaving deoxyribozymes. Here, we report the optimization and generality of 7Q10 as a 2'-5' RNA ligase. By...

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