Predicted to enable RNA binding activity. Involved in isotype switching. Acts upstream of or within positive regulation of isotype switching. Predicted to be located in cytoplasm and nucleus. Predicted to be part of cytoplasmic exosome (RNase complex) and nuclear exosome (RNase complex). Predicted to be active in nucleolus. Is expressed in central nervous system; retina; and submandibular gland primordium. Orthologous to human EXOSC6 (exosome component 6). [provided by Alliance of Genome Resources, Apr 2022]