Enables interleukin-13 receptor activity. Involved in positive regulation of B cell proliferation and positive regulation of immunoglobulin production. Predicted to be integral component of membrane. Human ortholog(s) of this gene implicated in asthma and chronic obstructive pulmonary disease. Orthologous to human IL13RA1 (interleukin 13 receptor subunit alpha 1). [provided by Alliance of Genome Resources, Apr 2022]