Predicted to enable cytokine receptor binding activity. Acts upstream of or within insulin secretion and lipid metabolic process. Located in extracellular region and vesicle. Human ortholog(s) of this gene implicated in several diseases, including autoimmune disease (multiple); eye disease (multiple); kidney failure (multiple); lung disease (multiple); and vascular disease (multiple). Orthologous to human IL1RN (interleukin 1 receptor antagonist). [provided by Alliance of Genome Resources, Apr 2022]