title: Conformational changes at topologically distinct antigenic sites on the influenza A/PR/8/34 virus HA molecule are induced by the binding of monoclonal antibodies.
mesh_terms: D000911:Antibodies, Monoclonal / Q000276:immunology; D000918:Antibody Specificity; D000937:Antigen-Antibody Reactions; D000939:Epitopes; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral / Q000032:analysis / Q000276:immunology*; D066298:In Vitro Techniques; D009980:Influenza A virus / Q000276:immunology*; D011487:Protein Conformation; D011863:Radioimmunoassay
chemical_list: D000911:Antibodies, Monoclonal; D000939:Epitopes; D006389:Hemagglutinins, Viral