Interactions between nucleic acid bases

J. Bertran

    Research output: Contribution to journalArticleResearchpeer-review

    23 Citations (Scopus)

    Abstract

    The pairing and stacking energies of nucleic acid bases have been computed by the perturbation formulas from reliable eigenvalues and wavefunctions involving all valence electrons for the bases and for the base pairs. The position of minimal energies for the electrostatic components, `corresponding to a free rotation of one base pair around the helix axis to a fixed vertical distance between two monomers equal to 3·36 Å, will reach angles around 45 °, whilst the minima of dispersion and exchange components will not reach angles higher than 18 °. Consequently, the angle for the minima of total energy, although not directly computable, is reasonably expected to be around 36 °. © 1972.
    Original languageEnglish
    Pages (from-to)353-361
    JournalJournal of Theoretical Biology
    Volume34
    Issue number2
    DOIs
    Publication statusPublished - 1 Jan 1972

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