Predicted to enable protein heterodimerization activity and protein homodimerization activity. Involved in mitochondrial fusion. Predicted to be located in mitochondrion. Predicted to be integral component of plasma membrane. Is expressed in brain; metanephros; spinal cord; and testis. Orthologous to human MIGA1 (mitoguardin 1). [provided by Alliance of Genome Resources, Apr 2022]