Role of 2'-OH on thermodynamic stability and structure of chimeric oligonucleotides
Author(s) -
T. Kanzaki,
Shuichi Nakano,
Naotoshi Sugimoto
Publication year - 2002
Publication title -
nucleic acids symposium series
Language(s) - English
Resource type - Journals
eISSN - 1746-8272
pISSN - 0261-3166
DOI - 10.1093/nass/2.1.189
Subject(s) - oligonucleotide , stability (learning theory) , chemical stability , chemistry , thermodynamics , computational biology , biophysics , materials science , dna , biology , physics , computer science , biochemistry , machine learning
Thermodynamic parameters of RNA/DNA chimeric duplexes were obtained systematically. Stability of the duplexes including chimeric junctions was context dependent, although CD spectra showed less structural perturbation by the junctions. Nearest-neighbor delta G degree 37 values for these chimeric RNA-DNA junctions suggested that 2'-OH on the 5'-side nucleotide at the junction may be the determinant for the nearest-neighbor stability of the chimeric junction.
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