Predicted to enable GTP binding activity and GTPase activity. Predicted to be involved in several processes, including mitochondrial outer membrane permeabilization; mitochondrion transport along microtubule; and regulation of mitochondrion organization. Located in mitochondrial inner membrane. Is expressed in brain; retina inner nuclear layer; and retina outer nuclear layer. Orthologous to human RHOT2 (ras homolog family member T2). [provided by Alliance of Genome Resources, Apr 2022]