Download or read book New Developments in Lipid Protein Interactions and Receptor Function written by K.W.A. Wirtz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: A NATO Advanced Study Institute on "New Developments in Lipid-Protein Interactions and Receptor Function" was held on the Island of Spetsai, Greece, from August 16-27, 1992. This Institute was organized to bring together researchers in the field of membrane organization and dynamics with those actively involved in studies on receptor function, signal transduction mechanisms and gene regulation. 2 Presentations and discussions focussed on the regulation of intracellular Ca +-levels, on the second messengers derived from inositol lipids and on the specific phospholipase C isozymes involved in these processes. A major focus was on G-proteins and the effect of lipid anchors on their function. These principles of regulation were further discussed in the context of receptors for acetylcholine, lysophosphatidic acid and low-density lipoproteins. In addition, various aspects of the genomic regulation of cell growth and differentiation by transcription factors were presented. These topics were put into perspective by discussing the most recent developments in lipid-protein interactions, protein insertion into membranes, membrane lipid organization and lipid dynamics as mediated by phospholipid transfer proteins. This book presents the content of the major lectures and a selection of the most relevant of the most important topics posters. These proceedings offer a comprehensive account presented during the course of the Institute. The book is intended to make these proceedings accessible to a large audience.
Download or read book Protein Lipid Interactions written by C.Reyes Mateo and published by Springer Science & Business Media. This book was released on 2008-09-30 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological membranes have long been identified as key elements in a wide variety of cellular processes including cell defense communication, photosynthesis, signal transduction, and motility; thus they emerge as primary targets in both basic and applied research. This book brings together in a single volume the most recent views of experts in the area of protein–lipid interactions, providing an overview of the advances that have been achieved in the field in recent years, from very basic aspects to specialized technological applications. Topics include the application of X-ray and neutron diffraction, infrared and fluorescence spectroscopy, and high-resolution NMR to the understanding of the specific interactions between lipids and proteins within biological membranes, their structural relationships, and the implications for the biological functions that they mediate. Also covered in this volume are the insertion of proteins and peptides into the membrane and the concomitant formation of definite lipid domains within the membrane.
Download or read book Molecular Biology of The Cell written by Bruce Alberts and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Free Energy Calculations written by Christophe Chipot and published by Springer Science & Business Media. This book was released on 2007-01-08 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free energy constitutes the most important thermodynamic quantity to understand how chemical species recognize each other, associate or react. Examples of problems in which knowledge of the underlying free energy behaviour is required, include conformational equilibria and molecular association, partitioning between immiscible liquids, receptor-drug interaction, protein-protein and protein-DNA association, and protein stability. This volume sets out to present a coherent and comprehensive account of the concepts that underlie different approaches devised for the determination of free energies. The reader will gain the necessary insight into the theoretical and computational foundations of the subject and will be presented with relevant applications from molecular-level modelling and simulations of chemical and biological systems. Both formally accurate and approximate methods are covered using both classical and quantum mechanical descriptions. A central theme of the book is that the wide variety of free energy calculation techniques available today can be understood as different implementations of a few basic principles. The book is aimed at a broad readership of graduate students and researchers having a background in chemistry, physics, engineering and physical biology.
Download or read book Lipid Protein Interactions written by Jörg H. Kleinschmidt and published by Humana. This book was released on 2019-06-25 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition volume expands all chapters of the previous edition, which have been enhanced to cover the most recent developments, the current state of method research, and applications. Additional protocols were added to examine lipid-protein interactions by mass spectrometry, to use protein microarrays to investigate large sets of various proteins, to study membrane protein dynamics by UV resonance Raman spectroscopy, to analyze peptide-induced pore formation in membranes, and to investigate folding and insertion of membrane proteins. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and authoritative, Lipid-Protein Interactions: Methods and Protocols, Second Edition is an essential resource for all researchers who are interested in obtaining up-to-date and comprehensive information about membrane structure and function.
Download or read book Direct Mechanisms in Cholesterol Modulation of Protein Function written by Avia Rosenhouse-Dantsker and published by Springer. This book was released on 2019-05-16 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, renowned scientists describe how cholesterol interacts with various proteins. Recent progress made in the high-resolution visualization of cholesterol-protein interactions using crystallography and cryogenic electron microscopy has substantially advanced the knowledge of critical features. These features enable specific recognition of the cholesterol molecule by proteins, a process that was built on earlier studies using binding assays, computational modeling and site-directed mutagenesis. Direct Mechanisms in Cholesterol Modulation of Protein Function offers comprehensive insights into the current understanding of cholesterol-driven modulation of protein function via direct sensing. Its nine chapters are organized into two distinct parts. In the first part, the chapters introduce the reader to the general characteristics of cholesterol binding sites in proteins. This part starts with a tour into common cholesterol recognition motifs, followed by an overview of the major classes of steroid-binding proteins. It then continues with two chapters that present a comprehensive analysis of molecular and structural characteristics of cholesterol binding sites in transmembrane and soluble protein domains. In the second part of the book, examples of cholesterol binding sites and consequences of specific cholesterol recognition for protein function are presented for G protein-coupled receptors, ion channels and cholesterol-transporting proteins. The book is valuable for undergraduate and graduate students in biochemistry and nutrition, as well as basic science and medical researchers with a keen interest in the biophysical properties of cholesterol and physiological consequences of cholesterol presence in biological systems.
Download or read book Protein Lipid Interactions written by Anthony Watts and published by Elsevier. This book was released on 1993-10-08 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein-lipid interactions as a field of study is now a mature area, and this volume of NewComprehensive Biochemistry has been published with two objectives in mind. Firstly, to look to thefuture, and try to envisage how the subject may develop in the near to medium future. Secondly, to presentcontrasting or complementary views on the same system. For example, the acetylcholine receptor is discussedfrom a predominantly structural aspect by Barrantes, and from the kinetic standpoint by Rankin, et al. The volume not only gives an update on specific aspects of the field, but also shows the way in whichthe phenomenon of protein-lipid interactions is now seemingly infiltrating many areas of biomembraneresearch, from recombinant DNA studies, protein insertion and assembly and reconstitution considerationsto structural studies of membrane proteins.
Download or read book Role of Protein Protein Interactions in Metabolism Genetics Structure Function 2nd Edition written by Amit V. Pandey and published by Frontiers Media SA. This book was released on 2018-06-20 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetic variations may change the structure and function of individual proteins as well as affect their interactions with other proteins and thereby impact metabolic processes dependent on protein-protein interactions. For example, cytochrome P450 proteins, which metabolize a vast array of drugs, steroids and other xenobiotics, are dependent on interactions with redox and allosteric partner proteins for their localization, stability, (catalytic) function and metabolic diversity (reactions). Genetic variations may impact such interactions by changing the splicing and/or amino acid sequence which in turn may impact protein topology, localization, post translational modifications and three dimensional structure. More generally, research on single gene defects and their role in disease, as well as recent large scale sequencing studies suggest that a large number of genetic variations may contribute to disease not only by affecting gene function or expression but also by modulating complex protein interaction networks. The aim of this research topic is to bring together researchers working in the area of drug, steroid and xenobiotic metabolism who are studying protein-protein interactions, to describe their recent advances in the field. We are aiming for a comprehensive analysis of the subject from different approaches including genetics, proteomics, transcriptomics, structural biology, biochemistry and pharmacology. Of particular interest are papers dealing with translational research describing the role of novel genetic variations altering protein-protein interaction. Authors may submit original articles, reviews and opinion or hypothesis papers dealing with the role of protein-protein interactions in health and disease. Potential topics include, but are not limited to: • Role of protein-protein interactions in xenobiotic metabolism by cytochrome P450s and other drug metabolism enzymes. • Role of classical and novel interaction partners for cytochrome P450-dependent metabolism which may include interactions with redox partners, interactions with other P450 enzymes to form P450 dimers/multimers, P450-UGT interactions and proteins involved in posttranslational modification of P450s. • Effect of genetic variations (mutations and polymorphisms) on metabolism affected by protein-protein interactions. • Structural implications of mutations and polymorphisms on protein-protein interactions. • Functional characterization of protein-protein interactions. • Analysis of protein-protein interaction networks in health and disease. • Regulatory mechanisms governing metabolic processes based on protein-protein interactions. • Experimental approaches for identification of new protein-protein interactions including changes caused by mutations and polymorphisms.
Download or read book Cholesterol Modulation of Protein Function written by Avia Rosenhouse-Dantsker and published by Springer. This book was released on 2019-01-16 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, renowned scientists describe the role of steroid chirality and modification of lipid membrane physical properties in the modulation of G protein-coupled receptors and ion channels. The application of commonly-used technical approaches such as mass spectrometry and nucleic magnetic resonance transfer spectroscopy for studies on cholesterol distribution and alteration of lipid bilayer characteristics is also discussed. This book offers comprehensive insights into the current understanding of cholesterol-driven modulation of protein function via mechanisms that extend beyond lipid-protein direct interactions. In the first part, the chapters introduce the reader to the use of the chemical derivatives of cholesterol as a valuable laboratory tool in the studies of cholesterol-driven modulation of protein function. In the second part, examples of cholesterol-induced changes in membrane physical characteristics are presented and discussed in light of their multifaceted contribution to the effect of cholesterol on protein function. The book will be of interest to undergraduate and graduate students as well as basic science and medical researchers with a keen interest in the biophysical properties of cholesterol and physiological consequences of cholesterol presence in biological systems.
Download or read book Insights into Receptor Function and New Drug Development Targets written by P. Michael Conn and published by Springer Science & Business Media. This book was released on 2006-09-28 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the current state of knowledge in receptor function in the development of new drugs. Science is on the verge of viewing effector molecules and other regulatory sites as therapeutic targets for the amelioration of human and animal disease. The book reviews the availability of state-of-the-art tools that allow measurement of interactions and afford unprecedented insight into the biomolecular interactions that present novel approaches to drug design.
Download or read book Brain Lipids in Synaptic Function and Neurological Disease written by Jacques Fantini and published by Academic Press. This book was released on 2015-05-12 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lipids are the most abundant organic compounds found in the brain, accounting for up to 50% of its dry weight. The brain lipidome includes several thousands of distinct biochemical structures whose expression may greatly vary according to age, gender, brain region, cell type, as well as subcellular localization. In synaptic membranes, brain lipids specifically interact with neurotransmitter receptors and control their activity. Moreover, brain lipids play a key role in the generation and neurotoxicity of amyloidogenic proteins involved in the pathophysiology of neurological diseases. The aim of this book is to provide for the first time a comprehensive overview of brain lipid structures, and to explain the roles of these lipids in synaptic function, and in neurodegenerative diseases, including Alzheimer’s, Creutzfeldt-Jakob’s and Parkinson’s. To conclude the book, the authors present new ideas that can drive innovative therapeutic strategies based on the knowledge of the role of lipids in brain disorders. Written to provide a "hands-on" approach for readers Biochemical structures explained with molecular models, and molecular mechanisms explained with simple drawings Step-by-step guide to memorize and draw lipid structures Each chapter features a content summary, up-to-date references for additional study, and a key experiment with an explanation of the technique
Download or read book TRP Ion Channel Function in Sensory Transduction and Cellular Signaling Cascades written by Wolfgang B. Liedtke, MD, PH.D. and published by CRC Press. This book was released on 2006-09-29 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first TRP ion channel was discovered in Drosophila melanogaster in 1989, the progress made in this area of signaling research has yielded findings that offer the potential to dramatically impact human health and wellness. Involved in gateway activity for all five of our senses, TRP channels have been shown to respond to a wide range of st
Download or read book Acetylcholine Receptor Structure and Function written by Tung Ming Fong and published by . This book was released on 1986 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book G Protein Coupled Receptors Modeling and Simulation written by Marta Filizola and published by Springer. This book was released on 2016-08-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: G protein-coupled receptors (GPCRs) are heptahelical transmembrane receptors that convert extra-cellular stimuli into intra-cellular signaling, and ultimately into biological responses. Since GPCRs are natural targets for approximately 40% of all modern medicines, it is not surprising that they have been the subject of intense research. Notwithstanding the amount of data generated over the years, discovering ligands of these receptors with optimal therapeutic properties is not straightforward and has certainly been hampered for years by the lack of high-resolution structural information about these receptors. Luckily, there has been a steady increase of high-resolution crystal structures of these receptors since 2007, and this information, integrated with dynamic inferences from computational and experimental methods, holds great potential for the discovery of new, improved drugs. This book, which provides, for the first time, state-of-the-art views on modeling and simulation of GPCRs, is divided into 4 parts. In the first part, the impact of currently available GPCR crystal structures on structural modeling is discussed extensively as are critical insights from simulations in the second part of the book. The third part reports recent progress in rational ligand discovery and mathematical modeling, whereas the fourth part provides an overview of bioinformatics tools and resources that are available for GPCRs.
Download or read book Lipid protein Interactions Important to the Function of the Acetylcholine Receptor written by Terrence James Andreasen and published by . This book was released on 1980 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Novel Computational Method Incorporates the Molecular Details of Transmembrane Proteins Into the Quantitative Evaluation of Lipid protein Interactions and Their Mechanistic Role written by Sayan Mondal and published by . This book was released on 2014 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physiological function requires modulated communication across the cell membrane, mediated in part by proteins that span the membrane with multiple transmembrane segments (TM), e.g., 7-TM receptors (GPCRs), transporters, and ion channels. While the effects of these proteins propagate across multiple spatial and temporal scales to cause physiological responses, they themselves are activated and modulated at the molecular scale. For example, the activation of thve 7-TM receptors has been shown to occur via changes in the conformation of the molecule, predominantly a movement of particular TMs, viz. TM5 and TM6. This dissertation evolves a quantitative understanding of how such molecular mechanisms of multi-TM proteins involve the participation of their membrane environment. The cost of the adaptation of the membrane to the protein is evaluated in terms of the energy cost for membrane remodeling near the protein. In previous studies (Huang, Biophysical J 1986; Nielsen et al., Biophysical J 1999), this energy cost could explain experimental observations of the role of the membrane in the function of model single-TM peptides like gramicidin A ion channels, at a quantitative level. To quantify the energetics for multi-TM proteins taking into account their relevant molecular details, a new hybrid Continuum-Molecular Dynamics (CTMD) method is developed. This novel method uses the experimentally validated continuum approach for quantifying the energetics of membrane remodeling near the protein, but in combination with a molecular description of the lipid-protein interface from cognate Molecular Dynamics simulations. Thus, it takes into account the structural and dynamic conformational properties of multi-TM proteins, making it possible to quantitatively investigate the role of the membrane in their molecular mechanisms. This is illustrated for the activation and oligomerization of 7-TM receptors, and the substrate transport of neurotransmitter transporters. The illustrative applications reveal specific molecular regions involved in energetically significant interactions with the membrane, and demonstrate that local, energetically costly interactions are mechanistically important. The applications show as well how these interactions differ for lipid compositions having different physico-chemical properties, thus placing the mechanistic role of the membrane in the context of the compositional heterogeneity of the cell membrane.
Download or read book Statistical Physics of Biomolecules written by Daniel M. Zuckerman and published by CRC Press. This book was released on 2010-06-02 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the hydrophobic effect to protein-ligand binding, statistical physics is relevant in almost all areas of molecular biophysics and biochemistry, making it essential for modern students of molecular behavior. But traditional presentations of this material are often difficult to penetrate. Statistical Physics of Biomolecules: An Introduction brin
