2′-F-arabinonucleic acid (2′-F-ANA) oligonucleotides are similar to 2'-F-RNA with high base pairing specificity and enhanced hydrolytic and nuclease stability. 2′-F-ANA adopts a more DNA-linke B-type helix structure rather than an RNA-linke-A-type structure when hybridized with DNA.
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-20°C To -70°C Oligonucleotides are stable in solution at 4°C for up to 2 weeks. Properly reconstituted material stored at -20°C should be stable for at least 6 months. Dried DNA (when kept at -20°C) in a nuclease-free environment should be stable for years.
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