Influence of 2′-Modifications (O-Methylation, Fluorination, and Stereochemical Inversion) on the Base Pairing Energies of Protonated Cytidine Nucleoside Analogue Base Pairs: Implications for the Stabilities ofi-Motif Structures
Abstract:Naturally occurring and chemically engineered modifications are among the most powerful strategies explored for fine-tuning the conformational characteristics and intrinsic stability of nucleic acids topologies. Modifications at the 2′-position of the ribose or 2′-deoxyribose moieties differentiate nucleic acid structures and have a significant impact on their electronic properties and basepairing interactions. 2′-O-Methylation, a common post-transcriptional modification of tRNA, is directly involved in modula… Show more
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