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News Release 05-095

Zipped Structure May Explain Protein Clumping in Brain Disorders

Finding may provide insight on Alzheimer's and Huntington’s disease

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The zipper structure of the amyloid fibril formed by the yeast protein.

This structure, determined by X-ray microcrystallography, is the first glimpse at the atomic level of the amyloid spine that is common to fibrils formed from numerous proteins, some associated with fatal diseases. The "molecular zipper" is highlighted.

Credit: Michael Sawaya, Rebecca Nelson, Melinda Balbirnie and David Eisenberg, University of California, Los Angeles


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