Patent ID: 8865637

Claim:
An isolated lysozyme variant of a parent lysozyme, comprising an amino acid alteration at one or more positions selected from the group consisting of 19, 20, 22, 30, 32, 35, 45, 47, 49, 55, 56, 76, 89, 98, 102, 108, 110, 111, 112, 113, 119, 120, 121, 131, 134, 135, 147, 153, 158, 161, 164, 171, 178, 183, 185, 186, 187, 193, 195, 196, 198, 203, and 206, wherein SEQ ID NO: 3 is used for numbering, the lysozyme variant is at least 90% identical to the mature polypeptide of SEQ ID NO: 2 or to the polypeptide of SEQ ID NO: 3, and the lysozyme variant has antimicrobial activity.