Predicted to enable 3'-5'-exoribonuclease activity and single-stranded RNA binding activity. Acts upstream of or within dosage compensation by inactivation of X chromosome. Predicted to be located in cytosol; nucleoplasm; and transcriptionally active chromatin. Predicted to be part of nuclear exosome (RNase complex). Predicted to be active in nucleolus. Orthologous to human EXOSC10 (exosome component 10). [provided by Alliance of Genome Resources, Apr 2022]