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We present an approach that accelerates protein solid-state NMR 5-20-fold using paramagnetic doping to condense data-collection time (to approximately 0.2 s per scan), overcoming a long-standing limitation on slow recycling owing to intrinsic (1)H T(1) longitudinal spin relaxation. Using low-power schemes under magic-angle spinning at 40 kHz, we obtained(More)
13 C solid-state NMR of protein microcrystals by use of paramagnetic metal ions for optimizing 1 H T 1 relaxation Abstract We discuss a simple approach to enhance sensitivity for 13 C high-resolution solid-state NMR for proteins in microcrystals by reducing 1 H T 1 relaxation times with paramagnetic relaxation reagents. It was shown that 1 H T 1 values can(More)
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