Molecular Biology of the Cell PDF Download

Author:
Publisher:
ISBN: 9780815332183
Category : Cells
Languages : en
Pages : 0

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Author:
Publisher: Academic Press
ISBN: 0080585140
Category : Science
Languages : en
Pages : 449

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Book Description
The plasma membrane acts as both a boundary and a site of exchange between the outside and the inside of a cell. The cytoskeleton plays essential roles in delineating membrane protein distributions, in defining structural and functional domains in the plasma membrane, and in regulating membrane protein, and ultimately, cell function. This volume reviews the regulation of membrane protein distribution, organization, and function at the plasma membrane by the cytoskeleton. Discussions also include the roles of cytoskeleton in the structural and functional organization of membranes and membrane proteins with emphasis on key problems, the current status of understanding, experimental approaches, and future directions.

Author: James Spudich
Publisher:
ISBN: 9780824331733
Category : Actin
Languages : en
Pages : 0

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Author: Peter J. Quinn
Publisher: Springer Science & Business Media
ISBN: 9780306484254
Category : Science
Languages : en
Pages : 528

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The fluid-mosaic model of membrane structure formulated by Singer and Nicolson in the early 1970s has proven to be a durable concept in terms of the principles governing the organization of the constituent lipids and proteins. During the past 30 or so years a great deal of information has accumulated on the composition of various cell membranes and how this is related to the dif ferent functions that membranes perform. Nevertheless, the task of explaining particular functions at the molecular level has been hampered by lack of struc tural detail at the atomic level. The reason for this is primarily the difficulty of crystallizing membrane proteins which require strategies that differ from those used to crystallize soluble proteins. The unique exception is bacteriorhodopsin of the purple membrane of Halobacterium halobium which is interpolated into a membrane that is neither fluid nor in a mosaic configuration. To date only 50 or so membrane proteins have been characterised to atomic resolution by diffraction methods, in contrast to the vast data accumulated on soluble proteins. Another factor that has been difficult to explain is the reason why the lipid compliment of membranes is often extremely complex. Many hundreds of different molecular species of lipid can be identified in some membranes. Remarkably, the particular composition of each membrane appears to be main tained within relatively narrow limits and its identity distinguished from other morphologically-distinct membranes.

Author: Christophe Chipot
Publisher: Springer Science & Business Media
ISBN: 3540384472
Category : Language Arts & Disciplines
Languages : en
Pages : 528

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Book Description
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.

Author: Jose C. Jimenez-Lopez
Publisher: BoD – Books on Demand
ISBN: 9535131699
Category : Science
Languages : en
Pages : 344

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The cytoskeleton is a highly dynamic intracellular platform constituted by a three-dimensional network of proteins responsible for key cellular roles as structure and shape, cell growth and development, and offering to the cell with "motility" that being the ability of the entire cell to move and for material to be moved within the cell in a regulated fashion (vesicle trafficking). The present edition of Cytoskeleton provides new insights into the structure-functional features, dynamics, and cytoskeleton's relationship to diseases. The authors' contribution in this book will be of substantial importance to a wide audience such as clinicians, researches, educators, and students interested in getting updated knowledge about molecular basis of cytoskeleton, such as regulation of cell vital processes by actin-binding proteins as cell morphogenesis, motility, their implications in cell signaling, as well as strategies for clinical trial and alternative therapies based in multitargeting molecules to tackle diseases, that is, cancer.

Author: Valdur A. Saks
Publisher: Springer Science & Business Media
ISBN: 1461556538
Category : Science
Languages : en
Pages : 444

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Book Description
This volume continues the discussion of the problems of in vivo and in vitro. The recently solved X-ray structure of the mitochondrial creatine kinase and its molecular biology cellular bioenergetics - the tradition we started in 1994 by publication of the focused issue of Molecular and Cellular are analyzed with respect to its molecular physiology and Biochemistry, volume 133/134 and a book 'Cellular Bio functional coupling to the adenine nucleotide translocase, as energetics: role of coupled creatine kinases' edited by V. Saks well as its participation, together with the adenylate kinase and R. Ventura-Clapier and published by Kluwer Publishers, system, in intracellular energy transfer. The results of the Dordrecht -Boston. In the present volume, use of quantitative studies of creatine kinase deficient transgenic mice are methods of studies of organized metabolic systems, such as summarized and analyzed by using mathematical models of mathematical modeling and Metabolic Control Analysis, for the compartmentalized energy transfer, thus combining two investigation of the problems of bioenergetics of the cell is powerful new methods of the research. All these results, described together with presentation of new experimental together with the physiological and NMR data on the cardiac results. The following central problems of the cellular bio metabolic and mitochondrial responses to work-load changes energetics are the focus of the discussions: the mechanisms concord to the concept of metabolic networks of energy of regulation of oxidative phosphorylation in the cells in vivo transfer and feedback regulation.

Author: Ajit Varki
Publisher: CSHL Press
ISBN: 9780879696818
Category : Medical
Languages : en
Pages : 694

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Book Description
Sugar chains (glycans) are often attached to proteins and lipids and have multiple roles in the organization and function of all organisms. "Essentials of Glycobiology" describes their biogenesis and function and offers a useful gateway to the understanding of glycans.

Author: Carmen Domene
Publisher: Royal Society of Chemistry
ISBN: 1782626697
Category : Science
Languages : en
Pages : 275

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Book Description
Exploring current themes in modern computational and membrane protein biophysics, this book presents a comprehensive account of the fundamental principles underlying different methods and techniques used to describe the intriguing mechanisms by which membrane proteins function. The book discusses the experimental approaches employed to study these proteins, with chapters reviewing recent crucial structural advances that have allowed computational biophysicists to discern how these molecular machines work. The book then explores what computational methods are available to researchers and what these have taught us about three key families of membrane proteins: ion channels, transporters and receptors. The book is ideal for researchers in computational chemistry and computational biophysics.

Author: N.K. Wills
Publisher: Springer Science & Business Media
ISBN: 0412434008
Category : Science
Languages : en
Pages : 372

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Book Description
Building from general principles, the authors clearly explain the fundamental role of epithelia in plasma electrolyte and water balance. Emphasis is placed on experimental approaches and methodology. A comprehensive glossary of terms is included.