Structure-Based Design of Functional Amyloid Materials [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy, 2014.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description:: pages 18,044-18,051 : digital, PDF file
Additional Creators:: Lawrence Berkeley National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

We report that amyloid fibers, once exclusively associated with disease, are acquiring utility as a class of biological nanomaterials. We introduce a method that utilizes the atomic structures of amyloid peptides, to design materials with versatile applications. As a model application, we designed amyloid fibers capable of capturing carbon dioxide from flue gas, to address the global problem of excess anthropogenic carbon dioxide. By measuring dynamic separation of carbon dioxide from nitrogen, we show that fibers with designed amino acid sequences double the carbon dioxide binding capacity of the previously reported fiber formed by VQIVYK from Tau protein. In a second application, we designed fibers that facilitate retroviral gene transfer. Finally, by measuring lentiviral transduction, we show that designed fibers exceed the efficiency of polybrene, a commonly used enhancer of transduction. The same procedures can be adapted to the design of countless other amyloid materials with a variety of properties and uses.

Report Numbers:

E 1.99:1252903

Subject(s):

Applied Life Sciences

Note:

Published through SciTech Connect.
12/04/2014.
Journal of the American Chemical Society 136 52 ISSN 0002-7863 AM
Dan Li; Eric M. Jones; Michael R. Sawaya; Hiroyasu Furukawa; Fang Luo; Magdalena Ivanova; Stuart A. Sievers; Wenyuan Wang; Omar M. Yaghi; Cong Liu; David S. Eisenberg.

Funding Information:

FCO-02ER-63421
MCB 0958111

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