Is predicted to encode a protein with the following domains: Nrap protein domain 3; Nrap protein domain 6; Nrap protein, domain 6; Nrap protein PAP/OAS1-like domain 5; Nrap protein, domain 4; Nrap protein nucleotidyltransferase domain 4; Nrap protein, domain 5; NOL6/Upt22; Nrap protein domain 1; Nrap protein, domain 3; Nrap protein PAP/OAS-like domain; and Nrap protein, domain 2. Is an ortholog of C. elegans nol-6. In C. elegans, nol-6 is involved in negative regulation of innate immune response.