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Progress towards a DNA-based model system for the study of electron spin–spin interactions
A DNA-based model system is described for studying electron spin–spin interactions between a paramagnetic metal ion and a nitroxide spin label. The modified base deoxythymidine-EDTA (dT-EDTA) chelates the divalent or ...
Structure and dynamics of a DNA-based model system for the study of electron spin–spin interactions
We report on the structure and dynamics of a model system for measuring long-range distances in biological macromolecules by saturation-recovery EPR. Four DNA duplexes that incorporate a paramagnetic dysprosium ion (Dy(III)) ...