Lewandowski, Jozef R.Sass, Hans JuergenGrzesiek, StephanBlackledge, MartinEmsley, Lyndon2015-01-082015-01-082015-01-08201110.1021/ja206815hhttps://infoscience.epfl.ch/handle/20.500.14299/110000WOS:000296678200014We demonstrate that a quantitative measure of slow molecular motions in solid proteins can be accessed by measuring site-specific N-15 rotating-frame relaxation rates at high magic-angle-spinning frequencies.text::journal::journal article::research article