Nukleinsavak - Szerves Kémiai Tanszék
Nukleinsavak - Szerves Kémiai Tanszék
Nukleinsavak - Szerves Kémiai Tanszék
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Oligo(poli)nukleotidkonformációConformationalfreedom is heavilyrestricted in nucleicacids owing to lack offree rotation aboutO3-P and P-O5 bonds.Free rotation isprimarily dampedowing to the gaucheeffect in which lonepair-σ* orbitaloverlaps inphosphodiester links togenerate double bondcharacter in O-Pbonds that restrict freerotation.OOs* P-O n O3'3'O OO O5'5'OP PO OOO Os* P-On Oa nemkötõ elektronpár helyzetea síkban van a sík elé mutat a sík mögé mutat