Predicted to enable metalloaminopeptidase activity; peptide binding activity; and zinc ion binding activity. Predicted to be involved in peptide catabolic process and proteolysis. Predicted to be located in cytoplasm. Human ortholog(s) of this gene implicated in several diseases, including severe acute respiratory syndrome; severe pre-eclampsia; and uterine disease (multiple). Is an ortholog of human ERAP1 (endoplasmic reticulum aminopeptidase 1).