Crystal structure of a human prion protein fragment reveals a motif for oligomer formation

MI Apostol, K Perry, WK Surewicz - Journal of the American …, 2013 - ACS Publications
The structural transition of the prion protein from α-helical-to β-sheet-rich underlies its
conversion into infectious and disease-associated isoforms. Here we describe the crystal …

Structural mechanisms of oligomer and amyloid fibril formation by the prion protein

I Sengupta, JB Udgaonkar - Chemical Communications, 2018 - pubs.rsc.org
Misfolding and aggregation of the prion protein is responsible for multiple
neurodegenerative diseases. Works from several laboratories on folding of both the WT and …

Dissection of conformational conversion events during prion amyloid fibril formation using hydrogen exchange and mass spectrometry

J Singh, JB Udgaonkar - Journal of molecular biology, 2013 - Elsevier
A molecular understanding of prion diseases requires an understanding of the mechanism
of amyloid fibril formation by the prion protein. In particular, it is necessary to define the …

Oligomerization of the human prion protein proceeds via a molten globule intermediate

R Gerber, A Tahiri-Alaoui, PJ Hore, W James - Journal of biological …, 2007 - ASBMB
The conformational transition of the human prion protein from an α-helical to a β-sheet-rich
structure is believed to be the critical event in prion pathogenesis. The molecular …

Molecular architecture of human prion protein amyloid: A parallel, in-register β-structure

NJ Cobb, FD Sönnichsen… - Proceedings of the …, 2007 - National Acad Sciences
Transmissible spongiform encephalopathies (TSEs) represent a group of fatal
neurodegenerative diseases that are associated with conformational conversion of the …

Two amyloid states of the prion protein display significantly different folding patterns

VG Ostapchenko, MR Sawaya, N Makarava… - Journal of molecular …, 2010 - Elsevier
It has been well established that a single amino acid sequence can give rise to several
conformationally distinct amyloid states. The extent to which amyloid structures formed …

Development of the structural core and of conformational heterogeneity during the conversion of oligomers of the mouse prion protein to worm-like amyloid fibrils

J Singh, AT Sabareesan, MK Mathew… - Journal of molecular …, 2012 - Elsevier
Understanding how structure develops during the course of amyloid fibril formation by the
prion protein is important for understanding prion diseases. Determining how conformational …

Direct observation of protein folding, aggregation, and a prion-like conformational conversion

F Ding, JJ LaRocque, NV Dokholyan - Journal of Biological Chemistry, 2005 - ASBMB
Protein conformational transition from α-helices to β-sheets precedes aggregation of
proteins implicated in many diseases, including Alzheimer and prion diseases. Direct …

Mechanisms of prion protein assembly into amyloid

J Stöhr, N Weinmann, H Wille… - Proceedings of the …, 2008 - National Acad Sciences
The conversion of the α-helical, cellular isoform of the prion protein (PrPC) to the insoluble, β-
sheet-rich, infectious, disease-causing isoform (PrPSc) is the key event in prion diseases. In …

[PDF][PDF] Prion protein amyloid formation involves structural rearrangements in the C-terminal domain

J Kumar, S Sreeramulu, TL Schmidt, C Richter… - …, 2010 - researchgate.net
Neurodegenerative diseases associated with the human prion protein are characterized by
structural rearrangement in the domains of the benign monomeric form of the prion protein …