Ab initio mo study on base stacking: Adenine-adenine interaction in single-stranded polyadenylic acid (Poly A) |
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| Authors: | Misako Aida Chikayoshi Nagata |
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| Affiliation: | Biophysics Division, National Cancer Center Research Institute, Tsukiji, Chuo-ku, Tokyo 104, Japan |
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| Abstract: | The interaction energy for base stacking in single-stranded poly A is calculated by an ab initio MO method. The calculated value agrees well with the observed stacking enthalpy. Dispersion and charge transfer interactions are the main factors stabilizing the polynucleotide; the contribution of the former is dominant. |
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