| abstract |
By discovery of the mechanism of production of natural spider tractile fibers in the spider body and the source of high characteristics thereof, and by applying this mechanism to manufacturing of artificial fibers, the present invention provides: a fibroin-like polypeptide composition having high strength, toughness, and other characteristics and a method for manufacturing the composition; a polypeptide fiber, resin, film, or other polypeptide product manufactured by the aforementioned manufacturing method; and a method for enhancing the physical characteristics of a peptide product. |