Biology – Quantitative Biology – Biomolecules
Scientific paper
2006-08-29
Biology
Quantitative Biology
Biomolecules
27 pages, 7 figures, book chapter
Scientific paper
The need to understand the assembly kinetics of fibril formation has become urgent because of the realization that soluble oligomers of amyloidogenic peptides may be even more neurotoxic than the end product, namely, the amyloid fibrils. In order to fully understand the routes to fibril formation one has to characterize the major species in the assembly pathways. The characterization of the energetics and dynamics of oligomers (dimers, trimers etc) is difficult using experiments alone because they undergo large conformational fluctuations. In this context, carefully planned molecular dynamics simulation studies, computations using coarse-grained models, and bioinformatic analysis have given considerable insights into the early events in the route to fibril formation. Here, we describe progress along this direction using examples taken largely from our own work. In this chapter, we focus on aspects of protein aggregation using Abeta-peptides and prion proteins as examples.
Dima Ruxandra I.
Straub John E.
Tarus Bogdan
Thirumalai Dave
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