Predicted to enable GTP binding activity; GTPase activity; and translation initiation factor activity. Predicted to be involved in translational initiation. Predicted to act upstream of or within translation. Located in mitochondrion. Is expressed in liver lobe; testis; and vibrissa. Orthologous to human MTIF2 (mitochondrial translational initiation factor 2). [provided by Alliance of Genome Resources, Apr 2022]