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First 10 clusters of Aβ and the NQTrp binding sites. Chains A and B are colored red and blue, respectively. The red and blue spheres represent the Cα atoms of Asp1. The center of mass of NQTrp is shown as green spheres, and we show NQTrp if it forms a <4 Å contact with any heavy atom of Aβ. Residues colored yellow assist in the reading. Panels A–J represent the 1st to 10th largest clusters, respectively.
