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Properties of mixed backbone oligonucleotides containing 3'-O-methyl ribonucleosides
1High Technology Research Center, Chiba Institute of Technology, Narashino, Japan.
Bioorganic & Medicinal Chemistry Letters
|September 25, 1999
Abstract:
Oligonucleotides containing 3'-O-methyl ribonucleosides were synthesized, and their thermal stabilities and global conformations with RNA and DNA have been studied. The duplexes displayed lower T(m) values as compared to the unmodified ones, and adopted A-conformations. Furthermore, they are not a substrate for RNase H, are slightly resistant to snake venom phosphodiesterase, and are not cleaved by nuclease S 1.