Enables double-stranded DNA binding activity. Acts upstream of or within cellular response to interferon-beta and response to bacterium. Predicted to be located in cytosol and nucleoplasm. Predicted to be part of protein-containing complex. Predicted to be active in nucleolus. Is expressed in several structures, including adrenal gland; hemolymphoid system; hip; sensory organ; and skeleton. Orthologous to several human genes including MNDA (myeloid cell nuclear differentiation antigen). [provided by Alliance of Genome Resources, Apr 2022]