file: 0apc5fn.doc May 29, 1997 F I N A L V E R S I O N Chapter for ADVANCES IN PROTEIN CHEMISTRY volume entitled “Linkage Thermodynamics of Macromolecular Interactions” dedicated to J. Wyman ALLOSTERIC TRANSITIONS OF THE ACETYLCHOLINE RECEPTOR STUART J. EDELSTEIN *,† and JEAN-PIERRE CHANGEUX * * Neurobiologie Moléculaire, Institut Pasteur, 75734 Paris Cedex 15, France, and † Département de Biochimie, Université de Genève, CH-1211 Genève 4, Switzerland, 23,433 WORDS, INCLUDING REFERENCES AND FIGURE LEGENDS