Predicted to enable identical protein binding activity. Predicted to be involved in several processes, including regulation of cytokine production; regulation of leukocyte activation; and regulation of signal transduction. Predicted to be located in intracellular membrane-bounded organelle and plasma membrane. Predicted to be active in external side of plasma membrane. Orthologous to human CD84 (CD84 molecule). [provided by Alliance of Genome Resources, Apr 2022]