Predicted to enable cytokine binding activity; identical protein binding activity; and signaling receptor activity. Predicted to be involved in regulation of cell population proliferation. Predicted to act upstream of or within negative regulation of interleukin-10 production and negative regulation of interleukin-12 production. Predicted to be located in extracellular space and plasma membrane. Predicted to be active in external side of plasma membrane. Orthologous to human TNFRSF9 (TNF receptor superfamily member 9). [provided by Alliance of Genome Resources, Apr 2022]