Predicted to enable serine-type endopeptidase activity. Predicted to be involved in positive regulation of G protein-coupled receptor signaling pathway and positive regulation of antibacterial peptide production. Predicted to be located in epidermal lamellar body and extracellular space. Orthologous to human KLK5 (kallikrein related peptidase 5). [provided by Alliance of Genome Resources, Apr 2022]