Predicted to enable transmembrane signaling receptor activity. Involved in mast cell degranulation and negative regulation of mast cell activation. Predicted to be located in extracellular region and plasma membrane. Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. Is expressed in adrenal gland; stomach; and testis. Orthologous to human MILR1 (mast cell immunoglobulin like receptor 1). [provided by Alliance of Genome Resources, Apr 2022]