期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 116, 期 10, 页码 3322-3330出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp2096423
关键词
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资金
- National Institutes of Health [GM059230, GM091364, GM12592, PO1RR001348]
- National Science Foundation [CHE-1058791]
The infrared optical response of amyloid fibrils A beta(1-40) is investigated. Simulations of two models corresponding to different protonation states are compared with experiment. The simulations reveal that vibrational frequency distributions inside the fibrils are dominated by side chain fluctuations. We further confirm earlier suggestions based on 2D-IR measurements that water molecules can be trapped inside the fibrils.
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