Results from in vitro selection studies reveal that enhanced ribozyme stability can be achieved through a small number of substitutions, which primarily improve the packing interactions in the molecular interior.
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Sosnick, T., Pan, T. Getting hotter with RNA. Nat Struct Mol Biol 9, 795–796 (2002). https://doi.org/10.1038/nsb1102-795
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DOI: https://doi.org/10.1038/nsb1102-795