Enables carboxypeptidase activity. Involved in maternal process involved in female pregnancy; negative regulation of ERK1 and ERK2 cascade; and negative regulation of smooth muscle cell proliferation. Located in extracellular space and membrane. Used to study glaucoma; myocardial infarction; and thrombosis. Biomarker of hypertension; lung disease; middle cerebral artery infarction; myocardial infarction; and primary biliary cholangitis. Human ortholog(s) of this gene implicated in several diseases, including avian influenza; cerebral malaria; hypertension (multiple); respiratory syncytial virus infectious disease; and severe acute respiratory syndrome. Orthologous to human ACE2 (angiotensin converting enzyme 2). [provided by Alliance of Genome Resources, Apr 2022]