Predicted to enable interleukin-18 binding activity. Involved in cellular response to hydrogen peroxide; cellular response to tumor necrosis factor; and response to lipopolysaccharide. Located in extracellular space. Human ortholog(s) of this gene implicated in allergic contact dermatitis and myocardial infarction. Orthologous to human IL18BP (interleukin 18 binding protein). [provided by Alliance of Genome Resources, Apr 2022]