| abstract |
PROBLEM TO BE SOLVED: To provide a gene encoding a novel acidic protease which requires a serine residue for its activity, protease J-4 and coumamoricin. A novel acidic protease comprising, as an active region, an amino acid sequence IGGTSAVAPL shown at positions 465 to 474 of SEQ ID NO: 2 or positions 462 to 471 of SEQ ID NO: 4. |