1. Monod, J., Wyman, J., and Changeux, J.-P., J. Mol. Biol., 12, 88 (1965).
2. Pauling, L., Proc. US Nat. Acad. Sci., 21, 186 (1935).
3. Changeux, J.-P., and Gerhart, J. C., The Regulation of Enzyme Activity and Allosteric Interactions (edit. by Kvamme, E., and Pihl, A.), 13 (Universitetsforlaget, Oslo, 1968).
4. Goldin, B. R., and Frieden, C., in Current Topics in Cellular Regulation (edit. by Horecker, B. L., and Stadtman, E. R.), 4, 77 (Academic Press, New York, 1972).
5. Frieden, C., J. Biol. Chem., 234, 809 (1959).