cell activation, immune effector process, cell activation during immune response, myeloid leukocyte activation, myeloid cell activation during immune response, leukocyte activation during immune response, leukocyte mediated immunity,myeloid leukocyte mediated immunity, mast cell mediated immunity, regulation of leukocyte activation, exocytosis,immune response, cell surface receptor linked signal transduction, integrin-mediated signaling pathway, intracellular signaling cascade, small GTPase mediated signal transduction, Ras protein signal transduction, vesicle-mediated transport, calcium-mediated signaling, second-messenger-mediated signaling, secretion by cell, leukocyte degranulation, mast cell degranulation, regulated secretory pathway, leukocyte activation, mast cell activation,secretion, regulation of T cell activation, regulation of cell activation, regulation of lymphocyte activation,
Cell membrane ; Single-pass type III membrane protein . Present in lipid rafts.
Expressed in thymus, T-cells, NK cells, mast cells and, at lower levels, in spleen. Present in T-cells but not B-cells (at protein level).