图书简介
This book is the first to be entirely devoted to the challenging art of handling membrane proteins out of their natural environment, a key process in biological and pharmaceutical research, but one plagued with difficulties and pitfalls. Written by one of the foremost experts in the field, Membrane Proteins in Aqueous Solutions is accessible to any member of a membrane biology laboratory. After presenting the structure, functions, dynamics, synthesis, natural environment and lipid interactions of membrane proteins, the author discusses the principles of extracting them with detergents, the mechanisms of detergent-induced destabilization, countermeasures, and recent progress in developing detergents with weaker denaturing properties. Non-conventional alternatives to detergents, including bicelles, nanodiscs, amphipathic peptides, fluorinated surfactants and amphipols, are described, and their relative advantages and drawbacks are compared. The synthesis and solution properties of the various types of amphipols are presented, as well as the formation and properties of membrane protein/amphipol complexes and the transfer of amphipol-trapped proteins to detergents, nanodiscs, lipidic mesophases, or living cells. The final chapters of the book deal with applications: membrane protein in vitro folding and cell-free expression, solution studies, NMR, crystallography, electron microscopy, mass spectrometry, amphipol-mediated immobilization of membrane proteins, and biomedical applications. Important features of the book include introductory sections describing foundations as well as the state-of-the-art for each of the biophysical techniques discussed, and topical tables which organize a widely dispersed literature. Boxes and annexes throughout the book explain technical aspects, and twelve detailed experimental protocols, ranging from in vitro folding of membrane proteins to single-particle electron cryomicroscopy, have been contributed by and commented on by experienced users. Membrane Proteins in Aqueous Solutions offers a concise, accessible introduction to membrane protein biochemistry and biophysics, as well as comprehensive coverage of the properties and uses of conventional and non-conventional surfactants. It will be useful both in basic and applied research laboratories and as a teaching aid for students, instructors, researchers, and professionals within the field.
Membrane proteins: functions, structures, environments.- Taking membrane proteins out of their natural environment.- Alternatives to detergents for handling membrane proteins in aqueous solutions.- Chemical structure and physical-chemical properties of amphipols.- Formation and properties of membrane protein/amphipol complexes.- Amphipol-assisted folding of membrane proteins to their native state.- Amphipol-assisted cell-free expression of membrane proteins.- Amphipols and NMR.- Amphipols and crystallography.- Amphipols and electron microscopy.- Amphipols and radiation scattering.- Amphipol-assisted immobilization of membrane proteins onto solid supports for ligand-binding studies.- Amphipols and proteomics.- Amphipols as vectors for the delivery of membrane proteins and transmembrane peptides.- Perspectives.- Annex: protocols.- Trapping membrane proteins with amphipols.- Amphipol-assisted folding of membrane proteins.- Amphipol-assisted cell-free expression of membrane proteins.- Preparing membrane protein/amphipol complexes for solution NMR.- Preparing membrane protein/amphipol complexes for electron microscopy.- Amphipol-assisted transfer of membrane proteins to lipid phases for crystallization.- Preparing membrane protein/amphipol complexes for radiation scattering measurements.- Using tagged amphipols to immobilize membrane proteins onto solid supports.- Preparing membrane protein/amphipol complexes for mass spectrometry.- Using membrane protein/amphipol complexes for vaccination.- Glossary.- Index.- Literature cited.
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