Predicted to enable signaling receptor binding activity. Predicted to be involved in defense response to virus; innate immune response; and mucosal immune response. Predicted to be active in extracellular space. Human ortholog(s) of this gene implicated in several diseases, including COVID-19; cryoglobulinemia; dengue hemorrhagic fever; hepatitis C; and liver disease (multiple). Orthologous to several human genes including IFNL3 (interferon lambda 3). [provided by Alliance of Genome Resources, Apr 2022]