| abstract |
Kind Code: A1 The present invention provides a silk thread having improved compound binding efficiency using silkworm genetic recombination technology. A fibroin layer contains a polypeptide containing 20% or more of any one amino acid selected from the group consisting of aspartic acid, glutamic acid, glutamine, asparagine, arginine, lysine, histidine, tryptophan, cysteine, threonine, and serine. A silk thread characterized by having. A gene encoding the polypeptide, a genetically modified silkworm, and a method for producing silk thread using the same. [Selection figure] None |