Structural origins of the exonuclease resistance of a zwitterionic RNA.

Abstract

Nuclease resistance and RNA affinity are key criteria in the search for optimal antisense nucleic acid modifications, but the origins of the various levels of resistance to nuclease degradation conferred by chemical modification of DNA and RNA are currently not understood. The 2'-O-aminopropyl (AP)-RNA modification displays the highest nuclease resistance… (More)

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