Inter-alpha-trypsin inhibitor is a complex of three different protein species. 1988

W Gebhard, and G Leysath, and T Schreitmüller
Abteilung für Klinische Chemie, Chirurgischen Klinik Innenstadt, Universität München.

We found that, in contrast to earlier reports, inter-alpha-trypsin inhibitor of human serum is not a single-chain glycoprotein, but a protein complex. Three different protein components which are encoded on three independent mRNAs could be demonstrated by sequencing of cloned cDNA as well as of peptides obtained from purified inter-alpha-trypsin inhibitor. Accordingly, after fractionation of plasma by ammonium sulfate precipitation, ion-exchange chromatography, zinc-chelate chromatography, and SDS-polyacrylamide gel electrophoresis three proteins can be detected in Western blots using antibodies directed against inter-alpha-trypsin inhibitor.

UI MeSH Term Description Entries
D007118 Immunoassay A technique using antibodies for identifying or quantifying a substance. Usually the substance being studied serves as antigen both in antibody production and in measurement of antibody by the test substance. Immunochromatographic Assay,Assay, Immunochromatographic,Assays, Immunochromatographic,Immunoassays,Immunochromatographic Assays
D002621 Chemistry A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange.
D002852 Chromatography, Ion Exchange Separation technique in which the stationary phase consists of ion exchange resins. The resins contain loosely held small ions that easily exchange places with other small ions of like charge present in solutions washed over the resins. Chromatography, Ion-Exchange,Ion-Exchange Chromatography,Chromatographies, Ion Exchange,Chromatographies, Ion-Exchange,Ion Exchange Chromatographies,Ion Exchange Chromatography,Ion-Exchange Chromatographies
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000510 Alpha-Globulins Serum proteins that have the most rapid migration during ELECTROPHORESIS. This subgroup of globulins is divided into faster and slower alpha(1)- and alpha(2)-globulins. Alpha-Globulin,Alpha Globulin,Alpha Globulins
D000645 Ammonium Sulfate Sulfuric acid diammonium salt. It is used in CHEMICAL FRACTIONATION of proteins. Sulfate, Ammonium
D012967 Sodium Dodecyl Sulfate An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry. Sodium Lauryl Sulfate,Irium,Dodecyl Sulfate, Sodium,Lauryl Sulfate, Sodium,Sulfate, Sodium Dodecyl,Sulfate, Sodium Lauryl
D055598 Chemical Phenomena The composition, structure, conformation, and properties of atoms and molecules, and their reaction and interaction processes. Chemical Concepts,Chemical Processes,Physical Chemistry Concepts,Physical Chemistry Processes,Physicochemical Concepts,Physicochemical Phenomena,Physicochemical Processes,Chemical Phenomenon,Chemical Process,Physical Chemistry Phenomena,Physical Chemistry Process,Physicochemical Phenomenon,Physicochemical Process,Chemical Concept,Chemistry Process, Physical,Chemistry Processes, Physical,Concept, Chemical,Concept, Physical Chemistry,Concept, Physicochemical,Concepts, Chemical,Concepts, Physical Chemistry,Concepts, Physicochemical,Phenomena, Chemical,Phenomena, Physical Chemistry,Phenomena, Physicochemical,Phenomenon, Chemical,Phenomenon, Physicochemical,Physical Chemistry Concept,Physicochemical Concept,Process, Chemical,Process, Physical Chemistry,Process, Physicochemical,Processes, Chemical,Processes, Physical Chemistry,Processes, Physicochemical

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