Predicted to enable calcium ion binding activity and serine-type endopeptidase activity. Predicted to be involved in proteolysis. Located in collagen-containing extracellular matrix. Is expressed in several structures, including alimentary system; brain; genitourinary system; hemolymphoid system gland; and respiratory system. Orthologous to several human genes including PRSS3 (serine protease 3). [provided by Alliance of Genome Resources, Apr 2022]