期刊
ADVANCED MATERIALS
卷 23, 期 47, 页码 5684-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201103316
关键词
protein-based materials; molecular self-assembly; single molecule force spectroscopy; scanning probe microscopy; polypeptides; biomaterials
类别
资金
- National Institutes of Health [GM079563]
A new strategy is reported for creating protein-based nanomaterials by genetically fusing large polypeptides to monomeric streptavidin and exploiting the propensity of streptavidin monomers(SM) to self-assemble into stable tetramers. We have characterized the mechanical properties of streptavidin-linked structures and measured, for the first time, the mechanical strength of streptavidin tetramers themselves. Using streptavidin tetramers as molecular hubs offers a unique opportunity to create a variety of well-defined, self-assembled protein-based (nano) materials with unusual mechanical properties.
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