DMSO affects Aβ 1–40's conformation and interactions with aggregation inhibitors as revealed by NMR

DV Laurents, D Pantoja-Uceda, LC López… - Rsc Advances, 2015 - pubs.rsc.org
Rsc Advances, 2015pubs.rsc.org
We show via 3D-heteronuclear NMR spectroscopy that Aβ1–40 adopts a disordered
conformational ensemble with fluctuating turns in DMSOd6. Using NMR, we map the binding
sites of three water-insoluble aggregation inhibitors to Aβ1–40 in DMSOd6 and discover
remarkable differences in Aβ1–40 recognition by a fourth inhibitor in H2O versus DMSOd6.
We show via 3D-heteronuclear NMR spectroscopy that Aβ1–40 adopts a disordered conformational ensemble with fluctuating turns in DMSOd6. Using NMR, we map the binding sites of three water-insoluble aggregation inhibitors to Aβ1–40 in DMSOd6 and discover remarkable differences in Aβ1–40 recognition by a fourth inhibitor in H2O versus DMSOd6.
The Royal Society of Chemistry
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