Abstract
By incorporating homonuclear decoupling on both the (1)H and (13)C channels it is feasible to obtain high-resolution two-dimensional separated local field spectra of peptides and proteins that are 100\% labeled with (13)C. Dual-PISEMO (Polarization Inversion Spin Exchange Modulated Observation) can be performed as a conventional two-dimensional experiment, or with windowed detection as a one-dimensional experiment that offers flexibility as a building block for shiftless and other multidimensional triple-resonance experiments with the inclusion of (15)N irradiation. The triple-resonance MAGC probe used to perform these experiments at 500 MHz is described.
- and
- bacteriophages,carbon
- fields,hydrogen,indicators
- isotopes,peptides,proteins,spin
- labeling,magnetic
- labels
- radioisotopes,electromagnetic
- reagents,isotope
- resonance
- spectroscopy,nitrogen
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