Predicted to enable serine-type endopeptidase activity. Predicted to be involved in protein maturation. Predicted to act upstream of or within proteolysis. Predicted to be active in extracellular space. Human ortholog(s) of this gene implicated in asthma; atopic dermatitis; hypertrophic cardiomyopathy; and sarcoidosis. Orthologous to several human genes including CTSG (cathepsin G) and GZMB (granzyme B).