Predicted to enable identical protein binding activity. Predicted to be involved in negative regulation of endopeptidase activity. Predicted to act upstream of or within several processes, including brain development; regulation of epidermal growth factor-activated receptor activity; and suckling behavior. Predicted to be located in nucleus. Used to study Alzheimer's disease. Biomarker of neurodegenerative disease. Orthologous to human APLP2 (amyloid beta precursor like protein 2). [provided by Alliance of Genome Resources, Apr 2022]