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Membrane Protein Solubilization
2009A critical step in any in vitro analysis of membrane proteins is the solubilization of the membrane to extract the protein of interest in an active form to obtain an aqueous solution containing the membrane protein complexed with detergents and lipids in a form suitable for purification and further analysis. This process is particularly delicate as the
Katia, Duquesne, James N, Sturgis
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Current Opinion in Biotechnology, 1995
Much of the research on integral membrane proteins mirrors that on soluble proteins; however, membrane protein engineering also has its own ends and means, many of which take advantage of the peculiar situation of membrane proteins, whose chains are distributed between one lipidic and two aqueous phases. Extramembrane loops have been shortened, cut, or
J L, Popot, M, Saraste
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Much of the research on integral membrane proteins mirrors that on soluble proteins; however, membrane protein engineering also has its own ends and means, many of which take advantage of the peculiar situation of membrane proteins, whose chains are distributed between one lipidic and two aqueous phases. Extramembrane loops have been shortened, cut, or
J L, Popot, M, Saraste
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Nature Reviews Molecular Cell Biology, 2006
In the world of membrane proteins, topology defines an important halfway house between the amino-acid sequence and the fully folded three-dimensional structure. Although the concept of membrane-protein topology dates back at least 30 years, recent advances in the field of translocon-mediated membrane-protein assembly, proteome-wide studies of membrane ...
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In the world of membrane proteins, topology defines an important halfway house between the amino-acid sequence and the fully folded three-dimensional structure. Although the concept of membrane-protein topology dates back at least 30 years, recent advances in the field of translocon-mediated membrane-protein assembly, proteome-wide studies of membrane ...
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Lipid Membranes for Membrane Proteins
2014The molecular dynamics (MD) simulation of membrane proteins requires the setup of an accurate representation of lipid bilayers. This chapter describes the setup of a lipid bilayer system from scratch using generally available tools, starting with a definition of the lipid molecule POPE, generation of a lipid bilayer, energy minimization, MD simulation,
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Protein-Protein Interactions in Membranes
Protein & Peptide Letters, 2011In this article we review the current status of our understanding of membrane mediated interactions from theory and experiment. Phenomenological mean field and molecular models will be discussed and compared to recent experimental results from dynamical neutron scattering and atomic force microscopy.
Armstrong, C.L. +2 more
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Membrane protein crystallization
Journal of Structural Biology, 2003The need for high-resolution structure information on membrane proteins is immediate and growing. Currently, the only reliable way to get it is crystallographically. The rate-limiting step from protein to structure is crystal production. An overview of the current ideas and experimental approaches prevailing in the area of membrane protein ...
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1974
The relative constancy of the internal environment of the cell is maintained by a variety of transport systems which are located within the membrane. These transport systems serve to regulate the entrance and exit of various solutes concerned with the metabolic activity of the cell.
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The relative constancy of the internal environment of the cell is maintained by a variety of transport systems which are located within the membrane. These transport systems serve to regulate the entrance and exit of various solutes concerned with the metabolic activity of the cell.
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European Journal of Paediatric Neurology, 2001
The lysosomal system is the main intracellular mechanism for the turnover of endogenous and exogenous macromolecules. This catabolism is brought about in the lumen of lysosomes by a cocktail of predominantly hydrolytic enzymes with characteristic acidic pH-optima.
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The lysosomal system is the main intracellular mechanism for the turnover of endogenous and exogenous macromolecules. This catabolism is brought about in the lumen of lysosomes by a cocktail of predominantly hydrolytic enzymes with characteristic acidic pH-optima.
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Current Opinion in Structural Biology, 2001
Membrane proteins can be extremely stable in a bilayer environment, but are often unstable and rapidly lose activity after detergent solubilization. Poor stability can preclude the detailed characterization of many membrane proteins. One way to alleviate this problem is to find more stable mutants of a membrane protein of interest.
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Membrane proteins can be extremely stable in a bilayer environment, but are often unstable and rapidly lose activity after detergent solubilization. Poor stability can preclude the detailed characterization of many membrane proteins. One way to alleviate this problem is to find more stable mutants of a membrane protein of interest.
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