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@ARTICLE{Elfrink:340,
author = {Elfrink, K. and Ollesch, J. and Stoehr, J. and Willbold, D.
and Riesner, D. and Gerwert, K.},
title = {{S}tructural changes of membrane-anchored native {P}r{P}c},
journal = {Proceedings of the National Academy of Sciences of the
United States of America},
volume = {105},
issn = {0027-8424},
address = {Washington, DC},
publisher = {Academy},
reportid = {PreJuSER-340},
pages = {10815 - 10819},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {Misfolding and subsequent aggregation of endogenous
proteins constitute essential steps in many human disorders,
including Alzheimer and prion diseases. In most prion
protein-folding studies, the posttranslational
modifications, the lipid anchor in particular, were lacking.
Here, we studied a fully posttranslationally modified
cellular prion protein, carrying two N-glycosylations and
the natural GPI anchor. We used time-resolved FTIR to study
the prion protein secondary structure changes when binding
to a raft-like lipid membrane via its GPI anchor. We
observed that membrane anchoring above a threshold
concentration induced refolding of the prion protein to
intermolecular beta-sheets. Such transition is not observed
in solution and is membrane specific. Excessive membrane
anchoring, analyzed with molecular sensitivity, is thought
to be a crucial event in the development of prion diseases.},
keywords = {Animals / Cricetinae / Membrane Proteins: genetics /
Mesocricetus / Models, Molecular / PrPC Proteins: genetics /
Protein Conformation / Protein Folding / Spectroscopy,
Fourier Transform Infrared / Membrane Proteins (NLM
Chemicals) / PrPC Proteins (NLM Chemicals) / J (WoSType)},
cin = {INB-2},
ddc = {000},
cid = {I:(DE-Juel1)VDB805},
pnm = {Funktion und Dysfunktion des Nervensystems},
pid = {G:(DE-Juel1)FUEK409},
shelfmark = {Multidisciplinary Sciences},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:18669653},
pmc = {pmc:PMC2504809},
UT = {WOS:000258308500036},
doi = {10.1073/pnas.0804721105},
url = {https://juser.fz-juelich.de/record/340},
}