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Combined Solution- and Magic Angle Spinning NMR Reveals Regions of Distinct Dynamics in Amyloid β Protofibrils
Umeå University, Faculty of Science and Technology, Department of Chemistry.
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2016 (English)In: ChemistrySelect, ISSN 2365-6549, Vol. 1, no 18, 5850-5853 p.Article in journal (Refereed) Published
Abstract [en]

Solid-state magic angle spinning (MAS) NMR has emerged as an important tool for investigations of protein aggregates and amyloid fibrils, which are not accessible for solution NMR experiments. We recently presented a structural model for amyloid β (Aβ) protofibrils based on MAS-NMR data. The absence of resonances for the N-terminus of Aβ in this dataset suggested that it might be disordered and more dynamic than the structural core. We here provide evidence for a distinct dynamic regime in the N-terminal part of the peptide and show that the structural characteristics of this region can be elucidated using 13C-detected solution NMR. The results shed more light on the structural properties of pre-fibrillar Aβ species and demonstrate the potential of combining MAS and solution NMR experiments for the characterization of structure and dynamics of complex protein assemblies.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2016. Vol. 1, no 18, 5850-5853 p.
Keyword [en]
Amyloid β, protofibrils, solid-state NMR, solution NMR
National Category
Biophysics Physical Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-129974DOI: 10.1002/slct.201601468ISI: 000395427600038OAI: oai:DiVA.org:umu-129974DiVA: diva2:1063560
Available from: 2017-01-10 Created: 2017-01-10 Last updated: 2017-04-20Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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