Structures of the carbohydrate moieties of two monoclonal human lambda-type immunoglobulin light chains. 1985

T Ohkura, and T Isobe, and K Yamashita, and A Kobata

Human Bence Jones proteins of lambda type, Wh and Nei, both of which belong to subgroup II, contain an asparagine-linked sugar chain. Their carbohydrate moieties were liberated as oligosaccharides by hydrazinolysis and labeled by reduction with NaB3H4 after N-acetylation. Structural studies of each oligosaccharide by sequential exoglycosidase digestion in combination with methylation analysis revealed that Wh lambda contains the mono- and disialylated oligosaccharides (Formula: see text). These oligosaccharides are different from the oligosaccharides found in another lambda-type Bence Jones protein, Sm lambda, by Chandrasekaran et al. [Chandrasekaran, E. V., Mendicino, A., Garver, F. A., & Mendicino, J. (1981) J. Biol. Chem. 256, 1549-1555] and Garver et al. [Garver, F. A., Chang, L. S., Kiefer, C. R., Mendicino, J., Chandrasekaran, E. V., Isobe, T., & Osserman, E. F. (1981) Eur. J. Biochem. 115, 643-652].

UI MeSH Term Description Entries
D007146 Immunoglobulin lambda-Chains One of the types of light chain subunits of the immunoglobulins with a molecular weight of approximately 22 kDa. Ig lambda Chains,Immunoglobulins, lambda-Chain,Immunoglobulin lambda-Chain,lambda-1-Immunoglobulin,lambda-2-Immunoglobulin,lambda-Chain Immunoglobulins,lambda-Immunoglobulin Light Chain,lambda-Immunoglobulin Light Chains,lambda-x Immunoglobulin,Chains, Ig lambda,Chains, lambda-Immunoglobulin Light,Immunoglobulin lambda Chain,Immunoglobulin lambda Chains,Immunoglobulin, lambda-x,Immunoglobulins, lambda Chain,Light Chain, lambda-Immunoglobulin,Light Chains, lambda-Immunoglobulin,lambda 1 Immunoglobulin,lambda 2 Immunoglobulin,lambda Chain Immunoglobulins,lambda Chains, Ig,lambda Immunoglobulin Light Chain,lambda Immunoglobulin Light Chains,lambda x Immunoglobulin,lambda-Chain, Immunoglobulin,lambda-Chains, Immunoglobulin
D007147 Immunoglobulin Light Chains Polypeptide chains, consisting of 211 to 217 amino acid residues and having a molecular weight of approximately 22 kDa. There are two major types of light chains, kappa and lambda. Two Ig light chains and two Ig heavy chains (IMMUNOGLOBULIN HEAVY CHAINS) make one immunoglobulin molecule. Ig Light Chains,Immunoglobulins, Light-Chain,Immunoglobulin Light Chain,Immunoglobulin Light-Chain,Light-Chain Immunoglobulins,Chains, Ig Light,Chains, Immunoglobulin Light,Immunoglobulins, Light Chain,Light Chain Immunoglobulins,Light Chain, Immunoglobulin,Light Chains, Ig,Light Chains, Immunoglobulin,Light-Chain, Immunoglobulin
D008745 Methylation Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) Methylations
D009844 Oligosaccharides Carbohydrates consisting of between two (DISACCHARIDES) and ten MONOSACCHARIDES connected by either an alpha- or beta-glycosidic link. They are found throughout nature in both the free and bound form. Oligosaccharide
D002240 Carbohydrate Sequence The sequence of carbohydrates within POLYSACCHARIDES; GLYCOPROTEINS; and GLYCOLIPIDS. Carbohydrate Sequences,Sequence, Carbohydrate,Sequences, Carbohydrate
D006023 Glycoproteins Conjugated protein-carbohydrate compounds including MUCINS; mucoid, and AMYLOID glycoproteins. C-Glycosylated Proteins,Glycosylated Protein,Glycosylated Proteins,N-Glycosylated Proteins,O-Glycosylated Proteins,Glycoprotein,Neoglycoproteins,Protein, Glycosylated,Proteins, C-Glycosylated,Proteins, Glycosylated,Proteins, N-Glycosylated,Proteins, O-Glycosylated
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal

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