Predicted to enable ATP:ADP antiporter activity. Involved in male meiosis I; regulation of mitochondrial membrane permeability; and spermatogenesis. Located in mitochondrial inner membrane. Part of mitochondrial permeability transition pore complex. Is expressed in genitourinary system; lung; pituitary gland; and vertebral axis musculature. Orthologous to human SLC25A31 (solute carrier family 25 member 31). [provided by Alliance of Genome Resources, Apr 2022]