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Molecular Recognition of Nucleotide Pairs by a Cyclo-Bis-Intercaland-Type Receptor Molecule: A Spectrophotometric and Electrospray Mass Spectrometry Study
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1999
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Molecular BiologyNucleoside MonophosphatesGuanosine DerivativesBis-quinacridine Cyclo-bis-intercaland ReceptorsMedicinal ChemistryBioanalysisAnalytical ChemistryMolecular RecognitionCyclo-bis-intercaland-type Receptor MoleculeDrug AnalysisBiochemistryReceptor (Biochemistry)OligonucleotideNon-peptide LigandNatural SciencesCoordination ComplexMass SpectrometryMolecular ComplexChemical ProbeMedicineDrug DiscoveryNucleotide Pairs
Bis-quinacridine cyclo-bis-intercaland receptors are shown to form 1:2 complexes with nucleoside monophosphates in water (see scheme). The preferential binding of guanosine derivatives, which might originate in specific base/base interactions inside the complex, has been confirmed by ESI-MS experiments.