title: Role of O-acetyl groups in the interaction of Vi antigen with protein.
mesh_terms: D000085:Acetates; D000818:Animals; D000941:Antigens; D001407:Bacillus / Q000201:enzymology; D002417:Cattle; D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002621:Chemistry
chemical_list: D000085:Acetates; D000941:Antigens