Article
Paramagnetic ions enable tuning of nuclear relaxation rates and provide long-range structural restraints in solid-state NMR of proteins.
Journal of the American Chemical Society - 17 Jun 2009
Nadaud Philippe S, Helmus Jonathan J, Kall Stefanie L, Jaroniec Christopher P
Abstract excerpt
Magic-angle-spinning solid-state nuclear magnetic resonance (SSNMR) studies of natively diamagnetic uniformly (13)C,(15)N-enriched proteins, intentionally modified with side chains containing paramagnetic ions, are presented, with the aim of using the concomitant nuclear paramagnetic relaxation enhancements (PREs) as a source of long-range structural information. The paramagnetic ions are incorporated at selected...
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