Automated description from the Alliance of Genome Resources
Exhibits cytokine receptor binding activity. Involved in positive regulation of cytokine production; positive regulation of natural killer cell differentiation; and positive regulation of natural killer cell mediated cytotoxicity. Predicted to localize to the extracellular space. Human ortholog(s) of this gene implicated in asthma and common variable immunodeficiency. Orthologous to human IL21 (interleukin 21).