Abstract
Prediction of folding nuclei in RNA molecules allows one to look in a new way at the problem of possible RNA base sequence folding and at problems associated with incorrect RNA folding, as well as at RNA structure stability. We have chosen a model and energy parameters for description of RNA structure. The algorithm for studying processes including protein folding/unfolding was successfully applied to calculations on tRNA. Four tRNA molecules were considered whose structures were obtained in the free state (tRNAPhe, tRNAAsp, tRNAfMet, and tRNALys). The calculated Φ-values for tRNA molecules correlate with experimental data showing that nucleotide residues in the D and T hairpin regions are involved in tRNA structure last, or more exactly, they are not included in the tRNA folding nucleus. High Φ-values in the anticodon hairpin region show that the nucleus of tRNA folding is localized just in that place.
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Original Russian Text © L. B. Pereyaslavets, M. V. Baranov, E. I. Leonova, O. V. Galzitskaya, 2011, published in Biokhimiya, 2011, Vol. 76, No. 2, pp. 287–296.
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Pereyaslavets, L.B., Baranov, M.V., Leonova, E.I. et al. Prediction of folding nuclei in tRNA molecules. Biochemistry Moscow 76, 236–244 (2011). https://doi.org/10.1134/S0006297911020106
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DOI: https://doi.org/10.1134/S0006297911020106