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Free flow electrophoresis for separation of native membrane protein complexes. 2015

Lutz Andreas Eichacker, and Gerhard Weber, and Ute Sukop-Köppel, and Robert Wildgruber
Center of Organelle Research (CORE), University of Stavanger, Richard Johnsensgate 4, 4036, Stavanger, Norway.

This chapter describes the technology of free flow electrophoresis (FFE) and protocols to separate membrane protein complexes for proteome analysis. FFE is a highly versatile technology applied in the field of protein analysis. It is superior to native PAGE due to its fast continuous processing of sample at high resolution. Additionally, the dynamic separation range from ions, peptides, to proteins, protein complexes, up to organelles, and whole cells makes it the method of choice in the analysis of proteins. FFE is carried out in an aqueous medium without inducing any solid matrix, such as acrylamide, so that it simplifies the analysis of protein complexes for the downstream analysis. Here, we describe the novel zone electrophoresis interval method (IZE-FFE) for separation of protein complexes from the thylakoid membrane of Arabidopsis thaliana by charge only. Protein complexes isolated by IZE FFE were characterized according to molecular weight by Blue Native PAGE and were proteins stained with coomassie.

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
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
D020524 Thylakoids Membranous cisternae of the CHLOROPLAST containing photosynthetic pigments, reaction centers, and the electron-transport chain. Each thylakoid consists of a flattened sac of membrane enclosing a narrow intra-thylakoid space (Lackie and Dow, Dictionary of Cell Biology, 2nd ed). Individual thylakoids are interconnected and tend to stack to form aggregates called grana. They are found in cyanobacteria and all plants. Grana,Thylakoid Membrane,Membrane, Thylakoid,Membranes, Thylakoid,Thylakoid,Thylakoid Membranes
D029681 Arabidopsis Proteins Proteins that originate from plants species belonging to the genus ARABIDOPSIS. The most intensely studied species of Arabidopsis, Arabidopsis thaliana, is commonly used in laboratory experiments. Arabidopsis thaliana Proteins,Thale Cress Proteins,Proteins, Arabidopsis thaliana,thaliana Proteins, Arabidopsis

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