Predicted to enable calcium ion binding activity and serine-type endopeptidase activity. Predicted to be involved in proteolysis. Located in collagen-containing extracellular matrix. Human ortholog(s) of this gene implicated in pancreatitis. Orthologous to several human genes including PRSS1 (serine protease 1) and PRSS3 (serine protease 3). [provided by Alliance of Genome Resources, Apr 2022]