Predicted to enable phosphatase binding activity; phospholipid binding activity; and transmembrane signaling receptor activity. Predicted to be involved in several processes, including negative regulation of leukocyte activation; regulation of protein modification process; and regulation of signal transduction. Predicted to act upstream of or within negative regulation of secretion by cell; receptor-mediated endocytosis; and serotonin secretion by mast cell. Predicted to be located in membrane. Predicted to be active in plasma membrane. Orthologous to human CD300A (CD300a molecule). [provided by Alliance of Genome Resources, Apr 2022]