Journal article

Measurement of Site-Specific C-13 Spin-Lattice Relaxation in a Crystalline Protein

We demonstrate that it is possible to record site-specific spin-lattice relaxation rates for the majority of C-13 sites in uniformly C-13 and N-15 labeled solid proteins as a result of the slowing down of proton-driven spin diffusion at sample spinning frequencies >= 60 kHz, thus providing a series of new experimental probes for characterizing molecular dynamics in solid proteins.


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