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Oligonucleotide and polynucleotide — drug complexes in solution as investigated by NMR

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Part of the book series: Topics in Molecular and Structural Biology ((TMSB))

Abstract

This chapter discusses the solution complexes of drugs with oligo and polynucleotides. Although concentrating on magnetic resonance results, it also alludes to selected experiments using fluorescence, circular dichroism, and visible absorption spectroscopies, with a view to illustrating the advantages (and frequently the necessity) of combining the optical spectroscopic data with magnetic resonance data. In brief, not only does optical spectroscopy provide an independent means of obtaining kinetic, thermodynamic and equilibrium data, but it also gives an important correlation between the results for the binding of the drugs to oligonucleotides (that is, model systems) and polynucleotides (the systems of biological interest). The drugs that will be used as primary examples are actinomycin D, ethidium bromide, daunorubicin (or adriamycin) and 9-aminoacridine; the chemical structures of these molecules are shown in figure 9.1. Actinomycin D has been extensively studied over the last 20 years and, as shown later in this chapter, the interaction of actinomycin D with deoxyoligonucleotides is continuing to provide valuable information towards the goal of obtaining a molecular and thermodynamic basis for the binding of the drug to DNA. There are a number of reviews on the history, synthesis, binding studies and description of models for the binding of the actinomycins to DNA (for example, Hollstein, 1974; Lackner, 1975; Meienhofer and Atherton, 1977; Sobell, 1973; Wells, 1971; and the many references therein).

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© 1981 The Contributors

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Krugh, T.R. (1981). Oligonucleotide and polynucleotide — drug complexes in solution as investigated by NMR. In: Neidle, S. (eds) Topics in Nucleic Acid Structure. Topics in Molecular and Structural Biology. Palgrave Macmillan, London. https://doi.org/10.1007/978-1-349-04691-1_9

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