Structure of the carbohydrate units of IgA1 immunoglobulin. I. Composition, glycopeptide isolation, and structure of the asparagine-linked oligosaccharide units.

Amino Acid Sequence Amino Acids/analysis Asparagine/analysis Chromatography, DEAE-Cellulose Chromatography, Gas Chromatography, Gel Chromatography, Ion Exchange Fucose/analysis Galactosamine/analysis Galactose/analysis Glucosamine/analysis Glycopeptides/isolation & purification Glycoside Hydrolases Humans Immunoelectrophoresis Immunoglobulin A Mannose/analysis Mass Spectrometry Molecular Weight Myeloma Proteins Oligosaccharides/analysis Oxidation-Reduction Pronase Sialic Acids/analysis Spectrophotometry, Ultraviolet

Amino Acids Glycopeptides Immunoglobulin A Myeloma Proteins Oligosaccharides Sialic Acids Fucose Asparagine Galactosamine Glycoside Hydrolases Pronase Glucosamine Mannose Galactose