Predicted to enable protein heterodimerization activity and protein homodimerization activity. Predicted to be involved in tRNA-guanine transglycosylation. Predicted to be located in mitochondrion. Predicted to be part of protein-containing complex. Orthologous to human QTRT2 (queuine tRNA-ribosyltransferase accessory subunit 2). [provided by Alliance of Genome Resources, Apr 2022]