Predicted to enable manganese ion binding activity; metalloaminopeptidase activity; and protein homodimerization activity. Predicted to be involved in proteolysis. Predicted to act upstream of or within glomerular filtration and protein processing. Located in mitochondrion. Is expressed in several structures, including alimentary system; brain; cardiovascular system; genitourinary system; and immune system. Human ortholog(s) of this gene implicated in nephronophthisis-like nephropathy 1. Orthologous to human XPNPEP3 (X-prolyl aminopeptidase 3). [provided by Alliance of Genome Resources, Apr 2022]