Isolation of Native Soluble and Membrane-Bound Protein Complexes from Yeast Saccharomyces cerevisiae. 2017

Tobias Hansen, and Anna Chan, and Thomas Schröter, and Daniel Schwerter, and Wolfgang Girzalsky, and Ralf Erdmann
Abteilung für Systembiochemie, Institut für Biochemie und Pathobiochemie, Medizinische Fakultät der Ruhr-Universität Bochum, Ruhr-Universität Bochum, Universitätsstr. 150, 44780, Bochum, Germany.

Immunoprecipitation is a traditional approach to isolate single proteins or native protein complexes from a complex sample mixture. The original method makes use of specific antibodies against endogenous proteins or epitope tags, which are first bound to the target protein and then isolated with protein A beads. An advancement of this method is the application of a protein A tag fused to the target protein and the affinity-purification of the tagged protein with human Immunoglobulin G chemically cross-linked to a sepharose matrix. This method will be described exemplified by the purification of protein complexes of the peroxisomal membrane from yeast Saccharomyces cerevisiae.

UI MeSH Term Description Entries
D008565 Membrane Proteins Proteins which are found in membranes including cellular and intracellular membranes. They consist of two types, peripheral and integral proteins. They include most membrane-associated enzymes, antigenic proteins, transport proteins, and drug, hormone, and lectin receptors. Cell Membrane Protein,Cell Membrane Proteins,Cell Surface Protein,Cell Surface Proteins,Integral Membrane Proteins,Membrane-Associated Protein,Surface Protein,Surface Proteins,Integral Membrane Protein,Membrane Protein,Membrane-Associated Proteins,Membrane Associated Protein,Membrane Associated Proteins,Membrane Protein, Cell,Membrane Protein, Integral,Membrane Proteins, Integral,Protein, Cell Membrane,Protein, Cell Surface,Protein, Integral Membrane,Protein, Membrane,Protein, Membrane-Associated,Protein, Surface,Proteins, Cell Membrane,Proteins, Cell Surface,Proteins, Integral Membrane,Proteins, Membrane,Proteins, Membrane-Associated,Proteins, Surface,Surface Protein, Cell
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D002498 Centrifugation Process of using a rotating machine to generate centrifugal force to separate substances of different densities, remove moisture, or simulate gravitational effects. It employs a large motor-driven apparatus with a long arm, at the end of which human and animal subjects, biological specimens, or equipment can be revolved and rotated at various speeds to study gravitational effects. (From Websters, 10th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
D012441 Saccharomyces cerevisiae A species of the genus SACCHAROMYCES, family Saccharomycetaceae, order Saccharomycetales, known as "baker's" or "brewer's" yeast. The dried form is used as a dietary supplement. Baker's Yeast,Brewer's Yeast,Candida robusta,S. cerevisiae,Saccharomyces capensis,Saccharomyces italicus,Saccharomyces oviformis,Saccharomyces uvarum var. melibiosus,Yeast, Baker's,Yeast, Brewer's,Baker Yeast,S cerevisiae,Baker's Yeasts,Yeast, Baker
D012995 Solubility The ability of a substance to be dissolved, i.e. to form a solution with another substance. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Solubilities
D046912 Multiprotein Complexes Macromolecular complexes formed from the association of defined protein subunits. Macromolecular Protein Complexes,Complexes, Macromolecular Protein,Complexes, Multiprotein,Protein Complexes, Macromolecular
D047468 Immunoprecipitation The aggregation of soluble ANTIGENS with ANTIBODIES, alone or with antibody binding factors such as ANTI-ANTIBODIES or STAPHYLOCOCCAL PROTEIN A, into complexes large enough to fall out of solution. Co-Immunoprecipitation,Immune Precipitation,Co Immunoprecipitation,Co-Immunoprecipitations,Immune Precipitations,Precipitation, Immune,Precipitations, Immune
D029701 Saccharomyces cerevisiae Proteins Proteins obtained from the species SACCHAROMYCES CEREVISIAE. The function of specific proteins from this organism are the subject of intense scientific interest and have been used to derive basic understanding of the functioning similar proteins in higher eukaryotes. Baker's Yeast Proteins,S cerevisiae Proteins

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