Predicted to enable serine-type endopeptidase activity. Predicted to act upstream of or within proteolysis. Predicted to be located in membrane. Predicted to be active in dendrite; synaptic cleft; and terminal bouton. Human ortholog(s) of this gene implicated in autosomal recessive intellectual developmental disorder 1 and intellectual disability. Orthologous to human PRSS12 (serine protease 12).