Sulfhydryl And Disulfide Groups Of Proteins

Author : Yu M. Torchinskii
Publisher : Springer Science & Business Media
Page : 282 pages
File Size : 41,5 Mb
Release : 2013-11-22
Category : Science
ISBN : 9781475701272

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Sulfhydryl and Disulfide Groups of Proteins by Yu M. Torchinskii Pdf

(Written for the original Russian edition) Out of all the functional groups of protein molecules that be long to the side chains of amino acid residues, the sulfhydryl or thiol (SH) groups of cysteine residues and the disulfide (S-S) groups of cystine have for long attracted particular attention from chemists and biochemists. This is due, on the one hand, to the high chemical reactivity of these groups, which enter into many, and often very characteristic and selective, reactions with several types of compound. On the other hand, this attention is connected with the great significance of SH and S-S groups for the specific functions of a number of enzymes, hormones, and other biological ly active proteins, and consequently for the normal course of many physiological processes. The varied functions of sulfhydryl and disulfide groups in en zymes are particularly interesting; their role can consist of bind ing substrates and cofactors, in direct participation in the catalytic act, or in maintaining (in ways not so far sufficiently studied) the native, catalytically active conformation of the protein. It is entirely natural that the detailed study of the chemical behavior and biological role of these sulfur-containing groups in proteins (and in such low-molecular cofactors as glutathione, co enzyme A, lipoiC acid, etc. ) has, in addition to its academic, gen eral biological interest, great Significance for many applied branches of medicine and biology (toxicology, radiobiology, diagnostics and therapeutics, biochemical engineering, plant growing, etc. ).

Author : Mendel Friedman
Publisher : Pergamon
Page : 500 pages
File Size : 41,6 Mb
Release : 1973
Category : Science
ISBN : UOM:39015000872120

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The Chemistry and Biochemistry of the Sulfhydryl Group in Amino Acids, Peptides, and Proteins by Mendel Friedman Pdf

Author : Reinhold Benesch
Publisher : Elsevier
Page : 482 pages
File Size : 55,8 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323148689

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Sulfur in Proteins by Reinhold Benesch Pdf

Sulfur in Proteins is a collection of papers presented at the 1958 Symposium on Sulfur in Proteins, held in Falmouth, Massachusetts. The symposium primary aims to explore the varied and unusual roles of –S–S– and –SH groups in proteins. This book is organized into eight chapters that cover a wide variety of proteins, including serum, iron, copper, and muscle proteins, as well as enzymes and viruses. The opening chapter describes the various protein reactions involving sulfur, emphasizing the chemical modification of thiol and disulfide groups. Considerable chapters are devoted to the chemical properties, biogenesis, reactivity, and oxygenation of specific proteins. A chapter highlights some aspects of protein structure in relation to the role of –S–S– and –SH groups in enzymic catalysis. This chapter also describes the properties of sulfhydryl groups in yeast alcohol dehydrogenase. The final chapters examine the role of sulfur groups in several virus proteins and in cell division. This work will be of great value to protein scientists and researchers.

Author : Greg T. Hermanson
Publisher : Academic Press
Page : 1233 pages
File Size : 51,6 Mb
Release : 2010-07-26
Category : Science
ISBN : 9780080568720

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Bioconjugate Techniques by Greg T. Hermanson Pdf

Bioconjugate Techniques, 2nd Edition, is the essential guide to the modification and cross linking of biomolecules for use in research, diagnostics, and therapeutics. It provides highly detailed information on the chemistry, reagent systems, and practical applications for creating labeled or conjugate molecules. It also describes dozens of reactions with details on hundreds of commercially available reagents and the use of these reagents for modifying or cross linking peptides and proteins, sugars and polysaccharides, nucleic acids and oligonucleotides, lipids, and synthetic polymers. A one-stop source for proven methods and protocols for synthesizing bioconjugates in the lab Step-by-step presentation makes the book an ideal source for researchers who are less familiar with the synthesis of bioconjugates More than 600 figures that visually describe the complex reactions associated with the synthesis of bioconjugates Includes entirely new chapters on the latest areas in the field of bioconjugation as follows: Microparticles and nanoparticlesSilane coupling agentsDendrimers and dendronsChemoselective ligationQuantum dotsLanthanide chelatesCyanine dyesDiscrete PEG compoundsBuckyballs,fullerenes, and carbon nanotubesMass tags and isotope tagsBioconjugation in the study of protein interactions

Author : Hans Neurath
Publisher : Elsevier
Page : 683 pages
File Size : 55,5 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323161381

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The Proteins Composition, Structure, and Function V1 by Hans Neurath Pdf

The Proteins: Composition, Structure, and Function, Second Edition, Volume I explores the quantitative relationships between protein composition, structure, and function. This book is composed of six chapters that cover the rapid and fundamental advances in understanding protein chemistry. This book outlines first the quantitative procedures and various methods suitable for the determination of amino acids found as constituents of naturally occurring peptides and as free amino acids in tissues and body fluids. These topics are followed by a discussion on some of the aspects of peptide chemistry, which appear significant in relation to peptides possessing physiological activity. The next chapter considers protein synthesis that represents the sequences of chemical reactions whereby amino acids are assembled in biological systems to produce proteins. This volume also examines the correlation of structure with function; the mechanisms of control of protein biosynthesis; the exact role of intramolecular interactions in the determination of tertiary structure; and the colinearity of genetic “maps with amino acid sequences. A chapter describes the methods of analysis and reactions of sulfhydryl, disulfide, and thiol ester groups in proteins, as well as the evidence relating to the functions of these sulfur groups in proteins. The final chapter looks into the models and theories for the noncovalent bond interactions in proteins. This book is of value to organic chemists, biochemists, and researchers in the protein-related fields.

Author : I︠U︡riĭ Moiseevich Torchinskiĭ
Publisher : Pergamon
Page : 314 pages
File Size : 52,7 Mb
Release : 1981
Category : Science
ISBN : MINN:31951000045913J

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Sulfur in Proteins by I︠U︡riĭ Moiseevich Torchinskiĭ Pdf

Author : Bruce Alberts
Publisher : Unknown
Page : 0 pages
File Size : 46,7 Mb
Release : 2002
Category : Cytology
ISBN : 0815332181

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Molecular Biology of The Cell by Bruce Alberts Pdf

Author : Mingruo Guo
Publisher : John Wiley & Sons
Page : 280 pages
File Size : 51,7 Mb
Release : 2019-04-15
Category : Technology & Engineering
ISBN : 9781119256021

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Whey Protein Production, Chemistry, Functionality, and Applications by Mingruo Guo Pdf

An up-to-date overview of the dynamic field of whey protein utilization Whey Protein Production, Chemistry, Functionality and Applications explores the science and technology behind the rapidly increasing popularity of this most versatile of dairy by-products. With its richly nutritious qualities, whey protein has been widely used in the food industry for many years. The last decade has, however, seen manufacturers develop many innovative and exciting new applications for it, both in food and other areas. Taking account of these advances, this insightful work offers a full explanation of the technological and chemical breakthroughs that have made whey protein more in-demand than ever before. Topics covered include manufacturing technologies, thermal and chemical modifications, non-food uses, denaturation and interactions, and more. In its broad scope, the book encompasses: An up-to-date overview of recent developments and new applications Breakdowns of the chemical, nutritional, and functional properties of whey protein Commentary on the current and future outlooks of the whey protein market Examinations of the methods and manufacturing technologies that enable whey protein recovery A full guide to the numerous applications of whey protein in food production and other industries Whey Protein Production, Chemistry, Functionality and Applications is an unparalleled source of information on this highly adaptable and much sought-after commodity, and is essential reading for food and dairy scientists, researchers and graduate students, and professionals working in the food formulation and dairy processing industries.

Author : Helmut Sies,Lester Packer
Publisher : Academic Press
Page : 550 pages
File Size : 44,5 Mb
Release : 2002
Category : Active oxygen
ISBN : 9780121822484

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Protein Sensors and Reactive Oxygen Species by Helmut Sies,Lester Packer Pdf

This volume of Methods in Enzymology is concerned with the rapidly developing field of selenoprotein synthesis and its related molecular genetics. Progressive information on the topics of proteins as redox sensors, selenoproteins, and the thioredoxin system is studied using methods such as bioinformatics, DNA chip technology, cell biology, molecular genetics, and enzymology. The information on novel selenoproteins identified from genomic sequence data, as well as current knowledge on glutathione peroxidases, selenoprotein P, iodothyronine deiodinases, and thioredoxin reductases, is presented in a method-based approach.

Author : Perry A. Frey,Adrian D. Hegeman
Publisher : Oxford University Press
Page : 848 pages
File Size : 47,6 Mb
Release : 2007-01-27
Category : Science
ISBN : 9780199880744

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Enzymatic Reaction Mechanisms by Perry A. Frey,Adrian D. Hegeman Pdf

Books dealing with the mechanisms of enzymatic reactions were written a generation ago. They included volumes entitled Bioorganic Mechanisms, I and II by T.C. Bruice and S.J. Benkovic, published in 1965, the volume entitled Catalysis in Chemistry and Enzymology by W.P. Jencks in 1969, and the volume entitled Enzymatic Reaction Mechanisms by C.T. Walsh in 1979. The Walsh book was based on the course taught by W.P. Jencks and R.H. Abeles at Brandeis University in the 1960's and 1970's. By the late 1970's, much more could be included about the structures of enzymes and the kinetics and mechanisms of enzymatic reactions themselves, and less emphasis was placed on chemical models. Walshs book was widely used in courses on enzymatic mechanisms for many years. Much has happened in the field of mechanistic enzymology in the past 15 to 20 years. Walshs book is both out-of-date and out-of-focus in todays world of enzymatic mechanisms. There is no longer a single volume or a small collection of volumes to which students can be directed to obtain a clear understanding of the state of knowledge regarding the chemicals mechanisms by which enzymes catalyze biological reactions. There is no single volume to which medicinal chemists and biotechnologists can refer on the subject of enzymatic mechanisms. Practitioners in the field have recognized a need for a new book on enzymatic mechanisms for more than ten years, and several, including Walsh, have considered undertaking to modernize Walshs book. However, these good intentions have been abandoned for one reason or another. The great size of the knowledge base in mechanistic enzymology has been a deterrent. It seems too large a subject for a single author, and it is difficult for several authors to coordinate their work to mutual satisfaction. This text by Perry A. Frey and Adrian D. Hegeman accomplishes this feat, producing the long-awaited replacement for Walshs classic text.

Author : Chandra S. Pundir
Publisher : William Andrew
Page : 82 pages
File Size : 47,8 Mb
Release : 2015-05-16
Category : Medical
ISBN : 9780323389297

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Enzyme Nanoparticles by Chandra S. Pundir Pdf

This book is the first book in English on nanotechnology and nanomaterials integrating with enzymatic systems, with a focus on nanoparticles and biological applications. It covers comprehensively the relevant topics to understand the development of enzyme nanoparticles as it relates to the complicated structures of enzyme nanoparticles and their functionalization and immobilization on to various supports. The preparation of enzyme nanoparticles, their kinetic properties and applications after immobilization of the immobilized enzyme nanoparticles is described. The use of colour images in all formats of the book will improve the understanding of the topics covered. The book offers an integration of Enzymology and Nanotechnology and provides the latest information on preparation of enzyme nanoparticles, their characterization, their functionalization and immobilization on to various supports and thereafter their kinetic properties and applications in various industries with special reference to Biosensor Technology. Focus on enzyme nanotechnology, given the wide appeal of enzymes for diagnostics, therapy and biocatalysis Provision of a general background to the topic, but also a detailed description of synthesis, preparation and applications

Author : Mendel Friedman
Publisher : Springer Science & Business Media
Page : 765 pages
File Size : 53,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781468432824

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Protein Crosslinking by Mendel Friedman Pdf

The word crosslinking implies durable combination of (usually large) distinct elements at specific places to create a new entity that has different properties as a result of the union. In the case of proteins, such crosslinking often results in important changes in chemical, functional, nutritional, and biomedical properties, besides physical properties simply related to molecular size and shape. (Nucleic acids, carbohydrates, and other biopolymers are correspondingly affected.) Since proteins are ubiquitous, the consequences of their crosslinking are widespread and often profound. Scientists from many disciplines including organic chemistry, bio chemistry, protein chemistry, food science, nutrition, radiation biology, pharmacology, physiology, medicine, and dentistry are, therefore, minutely interested in protein crosslinking reactions and their implications. Because protein crosslinking encompasses so many disciplines, in organizing the Symposium on Nutritional and Biochemical Conse quences of Protein Crosslinking sponsored by the Protein Subdivi sion of the Division of Agricultural and Food Chemistry of the American Chemical Society, I sought participants with the broadest possible range of interests, yet with a common concern for theore tical and practical aspects of protein crosslinking. An important function of a symposium is to catalyze progress by bringing together ideas and experiences needed for interaction among different, yet related disciplines. To my pleasant surprise, nearly everyone invited came to San Francisco to participate.

Author : Susan Valle,Emanuel Escher,William D. Lubell
Publisher : Springer Science & Business Media
Page : 703 pages
File Size : 52,5 Mb
Release : 2009-06-23
Category : Science
ISBN : 9780387736570

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Peptides for Youth by Susan Valle,Emanuel Escher,William D. Lubell Pdf

The American Peptide Society (APS) provides a forum for advancing and promoting knowledge of the chemistry and biology of peptides. The approximately one thousand members of the Society come from North America and from more than thirty other countries throughout the world. Establishment of the APS was a result of the rapid worldwide growth that has occurred in peptide-related research, and of the increasing interaction of peptide scientists with virtually all fields of science. Peptides for Youth: The Proceedings of the the 20th American Peptide Symposium will highlight many of the recent developments in peptide science, with a particular emphasis on how these advances are being applied to basic problems in biology and medicine. The 20th American Peptide Symposium will take place June 26 - 30, 2007 in Montreal, Canada.

Author : Shan S. Wong
Publisher : CRC Press
Page : 360 pages
File Size : 47,5 Mb
Release : 1991-06-18
Category : Medical
ISBN : 0849358868

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Chemistry of Protein Conjugation and Cross-Linking by Shan S. Wong Pdf

Chemical cross-linking reagents have attained great practical use in industry as well as in basic research, and an understanding of their fundamental principles of reaction is paramount to their applications. With broad coverage of the development and application of these reagents, Chemistry of Protein Conjugation and Cross-Linking discusses the mechanism of reaction and allows you to put the theory into practice. The book offers an explanation of the underlying mechanism of chemical modification, surveys all the bifunctional reagents used in bioconjugation and cross-linking, and provides a review of practical applications of these reagents in various areas of biochemistry, molecular biology, biotechnology, nucleic acid chemistry, immunochemistry, and diagnostic and biomedical disciplines. It contains numerous examples and illustrations, plus step-by-step explanations to reaction procedures. It is an excellent introduction and a comprehensive reference about chemical modification.

Author : Mary Yiu-nien Yu
Publisher : Unknown
Page : 146 pages
File Size : 51,9 Mb
Release : 1965
Category : Cooking (Eggs)
ISBN : CORNELL:31924003581539

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The Effect of Heat on the Conversion of Sulfhydryl Groups to Disulfide in Proteinaceous Gel of Steamed Custards by Mary Yiu-nien Yu Pdf