Predicted to enable aspartic-type endopeptidase activity. Acts upstream of or within Notch signaling pathway and negative regulation of transcription by RNA polymerase II. Located in nucleus. Is expressed in brain; heart; hypothalamus mantle layer; and telencephalon. Orthologous to human NRIP2 (nuclear receptor interacting protein 2). [provided by Alliance of Genome Resources, Apr 2022]