title: The presence of type 12 M-protein antigen in group G streptococci.
mesh_terms: D000372:Agglutination Tests; D000906:Antibodies; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001414:Bacitracin / Q000494:pharmacology; D001426:Bacterial Proteins; D001435:Bacteriophages; D002473:Cell Wall / Q000032:analysis; D005455:Fluorescent Antibody Technique; D005690:Galactose / Q000032:analysis; D005921:Glomerulonephritis / Q000382:microbiology; D006595:Hexosamines / Q000032:analysis; D007106:Immune Sera; D005779:Immunodiffusion; D011233:Precipitin Tests; D012871:Skin Diseases / Q000382:microbiology; D013290:Streptococcal Infections / Q000276:immunology; D013291:Streptococcus / Q000032:analysis
chemical_list: D000906:Antibodies; D000941:Antigens; D001426:Bacterial Proteins; D006595:Hexosamines; D007106:Immune Sera; D001414:Bacitracin; D005690:Galactose