Acts upstream of or within negative regulation of intrinsic apoptotic signaling pathway. Located in nucleus. Is expressed in several structures, including alimentary system; genitourinary system; musculoskeletal system; nervous system; and sensory organ. Human ortholog(s) of this gene implicated in immunodeficiency 70. Orthologous to human IVNS1ABP (influenza virus NS1A binding protein). [provided by Alliance of Genome Resources, Apr 2022]