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Researchers get first peek at amyloid's spine

ipper is formed, water is forced out of the interface between the two beta sheets. Once you have this dry interface, it's hard to open up. Imagine trying to pry open two long pieces of Velcro."

In preliminary follow-up experiments, Eisenberg and his colleagues have found 10 short segments from other amyloid and prion proteins from hamsters, mice, and people that exhibit the same behavior in the test tube.

"We think virtually any protein can be converted into this type of structure," said Christopher Dobson of Cambridge University, United Kingdom, who wrote an accompanying commentary in Nature. "This is the first model that gives an atomic-level image of how the molecules might be stacked together in such a fibril."


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Contact: Jim Keeley
keeleyj@hhmi.org
301-215-8858
Howard Hughes Medical Institute
8-Jun-2005


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