Enables identical protein binding activity. Involved in several processes, including cardiac muscle cell apoptotic process; central nervous system development; and positive regulation of cell death. Located in dendrite; mitochondrion; and nucleoplasm. Used to study congestive heart failure. Biomarker of several diseases, including cerebrovascular disease (multiple); chronic obstructive pulmonary disease; end stage renal disease; obesity; and retinal detachment. Orthologous to human BNIP3 (BCL2 interacting protein 3). [provided by Alliance of Genome Resources, Apr 2022]