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HIGH MOLECULAR WEIGHT RECOMBINANT SILK OR SILK-LIKE PROTEIN, AND MICRO- OR NANOSCALE SPIDER-WEB FIBER OR SPIDER-WEB-LIKE FIBER PRODUCED USING THE RECOMBINANT SILK OR SILK-LIKE PROTEIN
HIGH MOLECULAR WEIGHT RECOMBINANT SILK OR SILK-LIKE PROTEIN, AND MICRO- OR NANOSCALE SPIDER-WEB FIBER OR SPIDER-WEB-LIKE FIBER PRODUCED USING THE RECOMBINANT SILK OR SILK-LIKE PROTEIN
The present invention relates to a high-molecular-weight recombinant silk or silk-like protein having a molecular weight which is substantially similar to that of native silk protein, and to a micro- or nano-sized spider silk or silk-like fiber having improved physical properties, produced therefrom. The recombinant silk or silk-like protein according to the invention has high molecular weight, like dragline silk proteins from spiders, while a fiber produced therefrom has excellent physical properties compared to a fiber produced from native silk protein. Thus, the recombinant silk or silk-like protein and the spider silk or silk-like fiber produced therefrom will be highly useful in various industrial applications, including bioengineering applications and medical applications.
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