2' Fluoro RNA G - 1 modification

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  • Cat.Number : MD-NB203-IN004
  • Availability :
    In production

Synthesis scale

Alternative choices

2’-Deoxy-2’-fluoro-nucleosides adopt an RNA-type sugar conformation, presumably due to the high electronegativity of fluorine. Because of this sugar conformation, RNA duplexes (A-form) are generally more thermodynamically stable than DNA duplexes (B-form). As expected, the addition of 2’-F-RNA residues to oligodeoxynucleotides progressively increases the thermal stability of their duplexes with RNA. The stabilization is additive at approximately 2° per residue. This compares favorably with 2’-OMe-RNA at around 1.5° and RNA at 1.1° per residue. In the meantime, base pair specificity remains intact.

2’-F-RNA phosphodiester linkages are not nuclease resistant, although the corresponding phosphorothioate linkages are highly resistant. Researchers usually design antisense oligonucleotides to form duplexes with RNA, which are then substrates for RNase H. Uniformly modified 2’-F-RNA/RNA duplexes are not substrates for RNase H. However, it is straightforward to prepare chimeric 2’-F-RNA/DNA phosphorothioate oligonucleotides which exhibit enhanced binding to the RNA target, are substrates for RNase H, and are highly nuclease resistant.


Molecular Mass/ Weight
  • 308,16
Modification Position
  • 3'
  • 5'
  • IN
Storage & stability
Resuspension condition
  • - Spin the tube briefly to collect the pellet in the bottom of the tube - Add an appropriate volume of recommended buffer (refer to technical data sheet) - Allow the tube to stand a few minutes - Vortex the tube for 15 seconds
Storage Conditions
  • Dried Oligonucleotides are stable for 18 months at ambiant temperature. Oligonucleotides in solutions are stable for 24 months at -20°C. (Tolerance -20°C± 5°C. ) For more information please refer to the Reconstitution-Storage-Stability page
  • Research use
Code Nacres
  • NA.51

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