Molecular dynamics and NMR spin relaxation in proteins

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167 Scopus citations

Abstract

Molecular dynamics simulations often play a central role in the analysis of biomolecular NMR data. The focus here is on NMR spin-relaxation, which can provide unique insights into the time-dependence of conformational fluctuations, especially on picosecond to nanosecond time scales which can be directly probed by simulations. A great deal has been learned from such simulations about the general nature of such motions and their impact on NMR observables. In principle, relaxation measurements should also provide valuable benchmarks for judging the quantitative accuracy of simulations, but there are a variety of experimental and computational obstacles to making useful direct comparisons. It seems likely that simulations on time scales that are just now becoming generally feasible may provide important new information on internal motions, overall rotational diffusion, and the coupling between internal and rotational motion. Such information could provide a sound foundation for a new generation of detailed interpretation of NMR spin-relaxation results.

Original languageEnglish (US)
Pages (from-to)325-331
Number of pages7
JournalAccounts of Chemical Research
Volume35
Issue number6
DOIs
StatePublished - 2002
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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