title: Structural studies of the Escherichia coli O-antigen 25.
abstract: The structure of the Escherichia coli O-antigen 25 has been investigated using n.m.r. spectroscopy, methylation analysis, and various specific degradations. It is concluded that the O-antigen is composed of pentasaccharide repeating-units having the following structure.
mesh_terms: D000942:Antigens, Bacterial; D002236:Carbohydrate Conformation; D002240:Carbohydrate Sequence; D004926:Escherichia coli / Q000276:immunology*; D009682:Magnetic Resonance Spectroscopy; D019081:O Antigens; D009844:Oligosaccharides
chemical_list: D000942:Antigens, Bacterial; D019081:O Antigens; D009844:Oligosaccharides