| abstract |
An object of the present invention is to provide a novel laccase excellent in properties for improving the chargeability and water absorption of a fiber containing a polyester, particularly an aromatic polyester, and a method for producing the same. A novel laccase and a method for producing the same. Specifically, a laccase having a characteristic of modifying a fiber containing a polyester, which is a protein derived from a microorganism having a unique sequence or a protein containing an amino acid sequence in which one or more amino acids have been deleted, substituted or added, and Its manufacturing method. A method for modifying a fiber containing a polyester using the same, wherein the chargeability of the fiber containing the polyester and / or the water absorption is remarkably increased. [Selection diagram] None |