Predicted to be involved in nuclear-transcribed mRNA catabolic process; rRNA processing; and ribosomal large subunit biogenesis. Predicted to be located in cytoplasm. Predicted to be part of preribosome, large subunit precursor. Predicted to be active in nucleolus. Orthologous to human MRTO4 (MRT4 homolog, ribosome maturation factor). [provided by Alliance of Genome Resources, Apr 2022]