title: Ia antigens.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000954:Antigens, Surface / Q000032:analysis; D000939:Epitopes; D008040:Genetic Linkage; D006649:Histocompatibility Antigens / Q000032:analysis / Q000235:genetics; D006801:Humans; D008214:Lymphocytes / Q000276:immunology; D046911:Macromolecular Substances; D008285:Major Histocompatibility Complex; D051379:Mice
chemical_list: D000954:Antigens, Surface; D000939:Epitopes; D006649:Histocompatibility Antigens; D046911:Macromolecular Substances