Article,

1H-13C separated local field spectroscopy of uniformly 13C labeled peptides and proteins

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J. Magn. Reson., 206 (1): 105--111 (September 2010)
DOI: 10.1016/j.jmr.2010.06.011

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.

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