Measurement of site-specific 13C spin-lattice relaxation in a crystalline protein.

  title={Measurement of site-specific 13C spin-lattice relaxation in a crystalline protein.},
  author={J{\'o}zef R Lewandowski and Julien Sein and Hans Juergen Sass and Stephan Grzesiek and Martin Blackledge and Lyndon Emsley},
  journal={Journal of the American Chemical Society},
  volume={132 24},
We demonstrate that it is possible to record site-specific spin-lattice relaxation rates for the majority of (13)C sites in uniformly (13)C and (15)N labeled solid proteins as a result of the slowing down of proton-driven spin diffusion at sample spinning frequencies > or = 60 kHz, thus providing a series of new experimental probes for characterizing molecular dynamics in solid proteins. 

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