Predicted to enable metal ion binding activity and metalloaminopeptidase activity. Predicted to be involved in proteolysis. Predicted to be located in extracellular exosome. Human ortholog(s) of this gene implicated in acquired angioedema. Orthologous to human XPNPEP2 (X-prolyl aminopeptidase 2). [provided by Alliance of Genome Resources, Apr 2022]