negative regulation of leukocyte activation | negative regulation of immune system process | intracellular signal transduction | proteolysis | regulation of immune system process | negative regulation of cellular process | negative regulation of leukocyte cell-cell adhesion | cellular process | organic substance catabolic process | proteolysis involved in cellular protein catabolic process | regulation of cellular process | catabolic process | response to stimulus | negative regulation of cell adhesion | negative regulation of lymphocyte activation | cellular protein catabolic process | proteasomal protein catabolic process | protein modification process | regulation of cell adhesion | macromolecule modification | nitrogen compound metabolic process | regulation of T cell activation | protein catabolic process | regulation of lymphocyte activation | protein modification by small protein conjugation | negative regulation of T cell activation | negative regulation of cell-cell adhesion | cell communication | negative regulation of cell activation | protein metabolic process | regulation of growth | protein ubiquitination | cellular macromolecule catabolic process | metabolic process | organic substance metabolic process | regulation of cell activation | protein modification by small protein conjugation or removal | organonitrogen compound catabolic process | signaling | cellular protein metabolic process | cellular protein modification process | regulation of cell-cell adhesion | cellular metabolic process | signal transduction | macromolecule metabolic process
immunological synapse | cell | plasma membrane | cell periphery | membrane