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Quantitative Aspects of Allosteric Mechanisms

  • Alexander Levitzki

Part of the Molecular Biology, Biochemistry and Biophysics book series (MOLECULAR, volume 28)

Table of contents

  1. Front Matter
    Pages I-VIII
  2. Alexander Levitzki
    Pages 1-2
  3. Alexander Levitzki
    Pages 3-5
  4. Alexander Levitzki
    Pages 6-10
  5. Alexander Levitzki
    Pages 28-31
  6. Alexander Levitzki
    Pages 72-88
  7. Back Matter
    Pages 89-108

About this book

Introduction

The aim of this monograph is to summarize the essential features which characterize the behavior of regulatory systems. Firstly we discuss the laws which govern ligand binding in thermodynamic terms. The basic cooperative and allosteric phenomena are des­ cribed in thermodynamic terms without assuming any particular mo­ del. Then the molecular models developed by Monod, Wyman and Changeux and by Koshland, Nemethy and Filmer are presented in detail. Special emphasis has been given to the analysis of the Hill coefficient and its meaning both in thermodynamic terms and in terms of the two allosteric models: the concerted model of Monod, Wyman and Changeux and the sequential model of Koshland, Nemethy and Filmer. Special types of cooperativities are dis­ cussed in some detail namely, cooperativity stemming from ligand­ coupled protein association or dissociation, negative cooperati­ vity and half-of-the-sites reactivity. A slightly extended space was devoted to the discussion of negative cooperativity and half­ of-the-sites reactivity, since the existence of these phenomena and their possible biological importance is less of a common knowledge than positive cooperativity. This monograph does not attempt to be a review of specific examples analyzed according to one model or another. Rather, an attempt is made to provide the reader with the quantitative tools to analyze any specific regulatory system. Last but not least, I would like to thank Prof. F. W. Dahlquist from the Institute of Molecular Biology, the University of Oregon (Eugene) and Prof. D. E. Koshland, Jr.

Keywords

Allosterie Cooperativity Enzym Kooperativität (Biochem.) Regulation behavior biology enzyme enzymes molecular biology protein

Authors and affiliations

  • Alexander Levitzki
    • 1
  1. 1.Department of Biological Chemistry, The Institute of Life SciencesThe Hebrew UniversityJerusalemIsrael

Bibliographic information

  • DOI https://doi.org/10.1007/978-3-642-81231-6
  • Copyright Information Springer-Verlag Berlin Heidelberg 1978
  • Publisher Name Springer, Berlin, Heidelberg
  • eBook Packages Springer Book Archive
  • Print ISBN 978-3-642-81233-0
  • Online ISBN 978-3-642-81231-6
  • Series Print ISSN 0077-0221
  • Buy this book on publisher's site
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