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Thermal stability of oligodeoxynucleotide duplexes containing l-deoxynucleotide at termini
Authors:Hidehito Urata  Shuji Ogawa  Shun-ichi Wada
Affiliation:Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
Abstract:
The effects of substituting l-deoxynucleotide for d-deoxynucleotide at duplex termini were evaluated and the terminal substitutions were found to show much less effects on duplex destabilization and to show a similar tendency in base pairing selectivity, compared with internal chiral substitutions.
Keywords:DNA duplex  Enantiomer  Heterochiral DNA  Terminal base pair  Thermal stability
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