Study of Selected Proteins and Noncovalent Protein-protein Complexes by Nano- and Electrospray Ionization Tandem Mass Spectrometry PDF Download
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Languages : en
Pages :
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Book Description
Author:
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Category :
Languages : en
Pages :
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Book Description
Author: Jiangxiao Sun
Publisher:
ISBN:
Category : Electrospray ionization mass spectrometry
Languages : en
Pages : 430
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Book Description
Author: Kevin Downard
Publisher: John Wiley & Sons
ISBN: 047014632X
Category : Science
Languages : en
Pages : 153
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Book Description
The authoritative guide to analyzing protein interactions by mass spectrometry Mass spectrometry (MS) is playing an increasingly important role in the study of protein interactions. Mass Spectrometry of Protein Interactionspresents timely and definitive discussions of the diverse range of approaches for studying protein interactions by mass spectrometry with an extensive set of references to the primary literature. Each chapter is written by authors or teams of authors who are international authorities in their fields. This leading reference text: * Discusses the direct detection of protein interactions through electrospray ionization (ESI-MS); ion mobility analysis; and matrix-assisted laser desorption/ionization (MALDI-MS) * Covers the indirect analysis of protein interactions through hydrogen-deuterium exchange (HX-MS); limited proteolysis; cross-linking; and radial probe (RP-MS) * Guides researchers in the use of mass spectrometry in structural biology, biochemistry, and protein science to map and define the huge number and diversity of protein interactions * Reviews the latest discoveries and applications and addresses new and ongoing challenges This is a comprehensive reference for researchers in academia and industry engaged in studies of protein interactions and an excellent text for graduate and postgraduate students.
Author: Yang Kang
Publisher:
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Category :
Languages : en
Pages :
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Author: Belal Hossain
Publisher:
ISBN:
Category :
Languages : en
Pages : 204
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Author: Yixuan Zhang
Publisher:
ISBN:
Category : Carbohydrates
Languages : en
Pages : 123
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Book Description
This thesis describes the development and application of electrospray ionization mass spectrometry (ESI-MS) based techniques to investigate protein-carbohydrate interactions in vitro. A catch-and-release electrospray ionization mass spectrometry (CaR-ESI-MS) assay was developed for the identification of specific interactions between water-soluble multisubunit proteins and glycosphingolipids (GSL). The assay is of high sensitivity and specificity, and demonstrates the potential for discovering biologically relevant protein-GSL interactions. Collision-induced dissociation (CID) experiments and molecular dynamic simulations were performed to investigate the dissociation pathways of multisubunit protein-ligand complexes in the gas phase. The observation of multiple dissociation pathways suggests that collisional activation of multisubunit protein-ligand complexes in the gas phase is likely to induce significant changes to the nature of the protein-ligand interactions.
Author:
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Category : Dissertations, Academic
Languages : en
Pages : 782
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Book Description
Author: Peter James
Publisher: Springer Science & Business Media
ISBN: 9783540672562
Category : Science
Languages : en
Pages : 306
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Book Description
Recent advances in large scale DNA sequencing technology have made it possible to sequence the entire genome of an organism. Attention is now turning to the analysis of the product of the genome, the proteome, which is the set of proteins being expressed by a cell. Mass spectrometry is the method of choice for the rapid large-scale identification of these proteomes and their modifications. This is the first book to extensively cover the applications of mass spectrometry to proteome research.
Author: Jiangjiang Liu
Publisher:
ISBN:
Category :
Languages : en
Pages : 352
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Book Description
Since the emergence of electrospray ionization (ESI) mass spectrometry (MS) as a tool for protein structural studies, this area has experienced tremendous growth. ESI-MS is highly sensitive, and it allows the analysis of biological systems ranging in size from a few atoms to large multi-protein complexes. This work aims to solve questions in protein structural biology by using ESI-MS in conjunction with other techniques. We initially apply ESI-MS for studying the monomeric protein cytochrome c (Chapter 2). The physical reasons underlying the irreversible thermal denaturation of this protein remain controversial. By utilizing deconvoluted charge state distributions, oxidative modifications were found to be the major reason underlying the observed behavior. The positions of individual oxidation sites were identified by LC-MS/MS-based tryptic peptide mapping. Chapter 3 and 4 focus on noncovalent protein complexes. ESI allows the transfer of multi-protein complexes into the gas phase, thereby providing a simple approach for monitoring the stoichiometry of these assemblies by MS. It remains somewhat unclear, however, in how far this approach is suitable for measuring binding affinities. We demonstrate that the settings used for rf-only quadrupoles in the ion path are a key factor for ensuring uniform transmission behavior, which is a prerequisite for meaningful Kd measurements. Overall, our data support the viability of the direct ESI-MS approach for determining binding affinities of protein-protein complexes in solution. Having established suitable conditions for the analysis of noncovalent protein complexes, ESI-MS is applied for monitoring the folding and assembly of hemoglobin (Hb). The native structure of this protein comprises four heme-bound subunits. Hb represents an important model system for exploring coupled folding/binding reactions, an area that remains difficult to tackle experimentally. We demonstrate that efficient Hb refolding depends on the heme ligation status. Only under properly optimized conditions is it possible to return denatured Hb to its tetrameric native state with high yield. ESI-MS allows the observation of on-pathway and off-pathway intermediates that become populated during this highly complex self-assembly process. In summary, this work demonstrates that ESI-MS is a highly versatile tool for addressing questions at the interface of chemistry and structural biology.
Author: JEAN-LUC. POPOT
Publisher: Springer
ISBN: 9783030103248
Category :
Languages : en
Pages : 738
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Book Description
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.
