Patent ID: 9403897
Filing Date: 2016-08-02
CPC Classification: C07K,C11D

Claim Text:
1. A proteinaceous protease inhibitor comprising an amino acid sequence (Y) or an amino acid sequence (Y′), the amino acid sequence (Y) being different from the amino acid sequence (A) of a proteinaceous protease inhibitor (BC), represented by SEQ ID NO: 1, by one to eight amino acid replacements, the amino acid sequence (Y′) having at least 80% homology to the amino acid sequence (Y), wherein the proteinaceous protease inhibitor satisfies that the amino acid residue at a position corresponding to residue 38 of the amino acid sequence (A) in the amino acid sequence (Y) or (Y′) is Ala, Gly, Leu, Phe, Ser, Thr or Trp.