An isolated polypeptide having protease activity selected from the group consisting of: a) a polypeptide having at least 90% sequence identity, at least 91% sequence identity, at least 92% sequence identity, at least 93% sequence identity, at least 94% sequence identity, at least 95% sequence identity, at least 96% sequence identity, at least 97% sequence identity, at least 98% sequence identity, at least 99.1% sequence identity, at least 99.2% sequence identity, at least 99.3% sequence identity, at least 99.4% sequence identity, at least 99.5% sequence identity, at least 99.6% sequence identity, at least 99.7% sequence identity, at least 99.8% sequence identity, at least 99.9% sequence identity or 100% sequence identity to the mature polypeptide of SEQ ID NO: 2; b) a polypeptide encoded by a polynucleotide having at least 90% sequence identity, at least 91% sequence identity, at least 93% sequence identity, at least 94% sequence identity, at least 95% sequence identity, at least 96% sequence identity, at least 97% sequence identity, at least 98% sequence identity, at least 99%, at least 99.1% sequence identity, at least 99.2% sequence identity, at least 99.3% sequence identity, at least 99.4% sequence identity, at least 99.5% sequence identity, at least 99.6% sequence identity, at least 99.7% sequence identity, at least 99.8% sequence identity, at least 99.9% sequence identity or 100% sequence identity to the mature polypeptide coding sequence of SEQ ID NO: 1; c) a variant comprising a substitution, deletion, and/or insertion of one or more amino acids of the mature polypeptide of SEQ ID NO: 2, wherein the variant has at least 90% sequence identity, at least 91% sequence identity, at least 92% sequence, at least 93% sequence identity, at least 94% sequence identity, at least 95% sequence identity, at least 96% sequence identity, at least 97% sequence identity, at least 98% sequence identity, or at least 99% sequence identity, but less than 100% identity to the mature polypeptide of SEQ ID NO: 2; and d) a fragment of a polypeptide of (a), (b) or (c) that has protease activity. a) a polypeptide having at least 90% sequence identity, at least 91% sequence identity, at least 92% sequence identity, at least 93% sequence identity, at least 94% sequence identity, at least 95% sequence identity, at least 96% sequence identity, at least 97% sequence identity, at least 98% sequence identity, at least 99.1% sequence identity, at least 99.2% sequence identity, at least 99.3% sequence identity, at least 99.4% sequence identity, at least 99.5% sequence identity, at least 99.6% sequence identity, at least 99.7% sequence identity, at least 99.8% sequence identity, at least 99.9% sequence identity or 100% sequence identity to the mature polypeptide of SEQ ID NO: 2; b) a polypeptide encoded by a polynucleotide having at least 90% sequence identity, at least 91% sequence identity, at least 93% sequence identity, at least 94% sequence identity, at least 95% sequence identity, at least 96% sequence identity, at least 97% sequence identity, at least 98% sequence identity, at least 99%, at least 99.1% sequence identity, at least 99.2% sequence identity, at least 99.3% sequence identity, at least 99.4% sequence identity, at least 99.5% sequence identity, at least 99.6% sequence identity, at least 99.7% sequence identity, at least 99.8% sequence identity, at least 99.9% sequence identity or 100% sequence identity to the mature polypeptide coding sequence of SEQ ID NO: 1; c) a variant comprising a substitution, deletion, and/or insertion of one or more amino acids of the mature polypeptide of SEQ ID NO: 2, wherein the variant has at least 90% sequence identity, at least 91% sequence identity, at least 92% sequence, at least 93% sequence identity, at least 94% sequence identity, at least 95% sequence identity, at least 96% sequence identity, at least 97% sequence identity, at least 98% sequence identity, or at least 99% sequence identity, but less than 100% identity to the mature polypeptide of SEQ ID NO: 2; and d) a fragment of a polypeptide of (a), (b) or (c) that has protease activity.