Enables double-stranded RNA binding activity. Acts upstream of or within interleukin-27-mediated signaling pathway. Predicted to be located in cytoplasm and nucleolus. Predicted to be active in cytosol; membrane; and nucleoplasm. Is expressed in testis. Orthologous to human OASL (2'-5'-oligoadenylate synthetase like). [provided by Alliance of Genome Resources, Apr 2022]