Echols, H. A. Rev. Genet. 6, 157–190 (1972).
Herskowitz, I. A. Rev. Genet. 7, 289–323 (1973).
Ptashne, M. et al. Science 194, 156–161 (1976).
Ptashne, M. et al. Cell 19, 1–11 (1980).
Johnson, A., Meyer, B. J. & Ptashne, M. Proc. natn. Acad. Sci. U.S.A. 75, 1783–1787 (1978).
Takeda, Y. J. molec. Biol. 127, 177–191 (1979).
Folkamanis, A., Takeda, Y., Simuth, J., Gussin, G. & Echols, H. Proc. natn. Acad. Sci. U.S.A. 73, 2249–2253 (1976).
Takeda, Y., Folkmanis, A. & Echols, H. J. biol. Chem. 252, 6177–6183 (1977).
Hsiang, M. W., Cole, R. D., Takeda, Y. & Echols, H. Nature 270, 275–277 (1977).
Roberts, T. M., Shimatake, H., Brady, C. & Rosenburg, M. Nature 270, 274–275 (1977).
Green, D. W., Ingram, V. M. & Perutz, M. F. Proc. R. Soc. A225, 287–307 (1954).
Matthews, B. W. in The Proteins Vol. 3. 3rd edn (eds Neurath, H. & Hill, R. L.) 403–590 (Academic, New York, 1977).
Blundell, T. L. & Johnson, L. N. Protein Crystallography (Academic, London, 1976).
Anderson, W. F., Takeda, Y., Echols, H. & Matthews, B. W. J. molec. Biol. 130, 507–510 (1979).
Anderson, W. F., Takeda, Y., Ohlendorf, D. H. & Matthews, B. W. Proc. 7th Katzir-Katchalsky Conf. on Structural Aspects of Recognition and Assembly in Biological Macromolecules March 1980 (in the press).
Schmid, M. F. et al. Acta crystallogr. (in the press).
Molnar, C. E., Barry, C. D. & Rosenberger, F. U. Tech. Memo. No. 229 (Computer Systems Laboratory, Washington University, St. Louis, 1976).
Blow, D. M. & Crick, F. H. C. Acta crystallogr. 12, 794–802 (1959).
Bricogne, G. Acta crystallogr. A30, 395–405 (1974).
Richards, F. M. J. molec. Biol. 37, 225–230 (1968).
Colman, P. M., Jansonius, J. N. & Matthews, B. W. J. molec. Biol. 70, 701–724 (1972).
Maniatis, T. et al. Cell 5, 109–113 (1975).
Flashman, S. M. Molec. gen. Genet. 166, 61–73 (1978).
Meyer, B. J., Maurer, R. & Ptashne, M. J. molec. Biol. 139, 163–194 (1980).
Watson, J. D. & Crick, F. H. C. Nature 171, 737 (1953).
Arnott, S. & Hukins, D. W. L. Biochem. biophys, Res. Commun. 47, 1504–1509 (1972).
Church, G. M., Sussman, J. L. & Kim, S. -H. Proc. natn. Acad. Sci. U.S.A. 74, 1458–1462 (1977).
Johnson, A., Meyer, B. J. & Ptashne, M. Proc. natn. Acad. Sci. U.S.A. 76, 5061–5065 (1979).
Sung, M. T. & Dixon, G. H. Proc. natn. Acad. Sci. U.S.A. 67, 1616–1623 (1970).
Adler, K. et al. Nature 237, 322–327 (1972).
Warrant, R. W. & Kim, S. H. Nature 271, 130–135 (1978).
McKay, D. & Steitz, T. A. Nature (this issue).
Herskowitz, I. & Hagen, D. A. Rev. Genet. 14, 399–445 (1980).
Echols, H. in The Molecular Genetics of Development (eds Loomis, W. & Leighton, T.) 1–16 (Academic, New York, 1980).
Johnson, A. thesis, Harvard Univ. (1980); and manuscript in preparation.