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Temperature-induced transitions in disordered proteins probed by NMR spectroscopy

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  • Magnus Kjærgaard
  • Flemming Martin Poulsen, Biomolecular Sciences, Denmark
  • Birthe Brandt Kragelund, Biomolecular Sciences, Denmark
Intrinsically disordered proteins are abundant in nature and perform many important physiological functions. Multidimensional NMR spectroscopy has been crucial for the understanding of the conformational properties of disordered proteins and is increasingly used to probe their conformational ensembles. Compared to folded proteins, disordered proteins are more malleable and more easily perturbed by environmental factors. Accordingly, the experimental conditions and especially the temperature modify the structural and functional properties of disordered proteins. NMR spectroscopy allows analysis of temperature-induced structural changes at residue resolution using secondary chemical shift analysis, paramagnetic relaxation enhancement, and residual dipolar couplings. This chapter discusses practical aspects of NMR studies of temperature-induced structural changes in disordered proteins.
Original languageEnglish
JournalMethods in molecular biology (Clifton, N.J.)
Volume896
Pages (from-to)233-47
Number of pages15
ISSN1064-3745
DOIs
Publication statusPublished - 2012
Externally publishedYes

    Research areas

  • Humans, Nuclear Magnetic Resonance, Biomolecular, Proteins, Temperature

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