摘要 |
PROBLEM TO BE SOLVED: To obtain an alkali protease for a detergent, having high reaction efficiency (high specific activity) and strong resistance to an oxidizing agent. SOLUTION: This alkali protease has a specific amino acid sequence in which an amino acid residue at (a) the 251 position, (b) the 256 position or a position corresponding to one of them is deleted or is the following amino acid residue in which in (a) position, the amino acid residue is selected from asparagine, glycine, alanine, aspartic acid, threonine, isoleucine, valine, leucine, glutamine residue and in (b) position, the amino acid residue is selected from lysine, serine, glutamine, phenylalanine, valine, arginine, tyrosine, leucine, isoleucine, threonine, methionine, cystine, tryptophan, aspartic acid, glutamic acid, histidine, proline or alanine residue. |