Predicted to enable several functions, including IgM binding activity; MHC protein binding activity; and immune receptor activity. Predicted to be involved in cytokine-mediated signaling pathway. Predicted to be located in cytoplasm; external side of plasma membrane; and extracellular space. Predicted to be integral component of plasma membrane. Predicted to be part of Fc-epsilon receptor I complex. Predicted to be active in plasma membrane. Orthologous to several human genes including LILRB5 (leukocyte immunoglobulin like receptor B5). [provided by Alliance of Genome Resources, Apr 2022]