Predicted to enable endopeptidase activator activity and enzyme binding activity. Predicted to be involved in several processes, including Notch receptor processing; amyloid-beta formation; and proteolysis. Located in mitochondrion. Is integral component of presynaptic membrane. Human ortholog(s) of this gene implicated in hidradenitis suppurativa. Orthologous to human PSENEN (presenilin enhancer, gamma-secretase subunit). [provided by Alliance of Genome Resources, Apr 2022]