title: The small subunit of HL-A antigens is beta 2-microglobulin.
mesh_terms: D000596:Amino Acids; D000936:Antigen-Antibody Complex; D001609:Beta-Globulins / Q000032:analysis*; D001665:Binding Sites; D002462:Cell Membrane / Q000276:immunology*; D004591:Electrophoresis, Polyacrylamide Gel; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D007106:Immune Sera; D007457:Iodine Radioisotopes; D008214:Lymphocytes / Q000276:immunology*; D010206:Papain / Q000494:pharmacology; D011233:Precipitin Tests; D014316:Tritium
chemical_list: D000596:Amino Acids; D000936:Antigen-Antibody Complex; D001609:Beta-Globulins; D006649:Histocompatibility Antigens; D007106:Immune Sera; D007457:Iodine Radioisotopes; D014316:Tritium; D010206:Papain