title: Purification and characterization of a blood-group A reactive hemagglutinin from the snail Helix pomatia and a study of its combining site.
mesh_terms: D000017:ABO Blood-Group System; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D000906:Antibodies / Q000032:analysis / Q000302:isolation & purification; D000941:Antigens; D001665:Binding Sites; D001789:Blood Group Antigens; D002241:Carbohydrates / Q000032:analysis; D002850:Chromatography, Gel; D005260:Female; D005753:Gastric Mucosa; D006025:Glycosaminoglycans; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D010048:Ovarian Cysts; D011817:Rabbits; D012908:Snails / Q000032:analysis / Q000276:immunology*; D013552:Swine; D014461:Ultracentrifugation
chemical_list: D000017:ABO Blood-Group System; D000596:Amino Acids; D000906:Antibodies; D000941:Antigens; D001789:Blood Group Antigens; D002241:Carbohydrates; D006025:Glycosaminoglycans; D007106:Immune Sera