Antigen recognition.
D000818:Animals; D000941:Antigens / Q000276:immunology* / Q000378:metabolism; D001634:Bibliographies as Topic; D002448:Cell Adhesion / Q000276:immunology; D006801:Humans; D007136:Immunoglobulins / Q000502:physiology; D008285:Major Histocompatibility Complex / Q000276:immunology; D011948:Receptors, Antigen, T-Cell / Q000502:physiology
D000941:Antigens; D007136:Immunoglobulins; D011948:Receptors, Antigen, T-Cell