Predicted to enable tRNA dimethylallyltransferase activity. Predicted to be involved in tRNA modification. Located in mitochondrion. Is expressed in several structures, including alimentary system; genitourinary system; nervous system; respiratory system; and sensory organ. Human ortholog(s) of this gene implicated in combined oxidative phosphorylation deficiency 35. Orthologous to human TRIT1 (tRNA isopentenyltransferase 1). [provided by Alliance of Genome Resources, Apr 2022]