Computationally derived structural models of the beta-amyloid found in Alzheimer's disease plaques and the interaction with possible aggregation inhibitors.

Abstract excerpt

We report the modeling of and possible interactions within the solid beta-amyloid (ABeta) 1-43 fibril, the most fibrillogenic peptide known. All models proposed are consistent with the known experimental structural data, in terms of both secondary structure and packing motifs. The model containing antiparallel beta-sheets, and a beta-turn at G(25)S(26)N(27)K(28) has the lowest calculated packing energy. As such,...

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