Predicted to enable cytokine receptor activity and interleukin-20 binding activity. Predicted to be involved in cytokine-mediated signaling pathway. Predicted to act upstream of or within defense response to Gram-negative bacterium. Predicted to be integral component of plasma membrane. Orthologous to human IL22RA1 (interleukin 22 receptor subunit alpha 1). [provided by Alliance of Genome Resources, Apr 2022]