Predicted to enable mitochondrion targeting sequence binding activity and protein transmembrane transporter activity. Predicted to be involved in protein insertion into mitochondrial inner membrane. Predicted to be integral component of membrane. Predicted to be part of TIM22 mitochondrial import inner membrane insertion complex. Human ortholog(s) of this gene implicated in combined oxidative phosphorylation deficiency 43. Orthologous to human TIMM22 (translocase of inner mitochondrial membrane 22). [provided by Alliance of Genome Resources, Apr 2022]