Predicted to enable 3'-tRNA processing endoribonuclease activity. Predicted to be involved in mitochondrial tRNA 3'-end processing. Predicted to act upstream of or within tRNA processing. Predicted to be located in mitochondrial nucleoid. Predicted to be active in mitochondrion. Human ortholog(s) of this gene implicated in combined oxidative phosphorylation deficiency 17. Orthologous to human ELAC2 (elaC ribonuclease Z 2).