1. E. Fischer (1906), quoted in “Molecules and Life”, J.S. Fruton, Wiley-Interscience, New York, 1972, pp. 112–113
2. E. Fischer, “Molecules and Life”, J.S. Fruton, Wiley-Interscience, New York, 1972, pp. 114
3. For example, see “Protein Engineering”, R.B. Freedman, R. Wetzel, eds., Current Opinion in Biotechnology, Vol. 3, Number 4 (August 1992).
4. J. A. Ellman, D. Mendel, P.G. Schultz, Site-specific incorporation of novel backbone structures into proteins, Science 255, 197–200 (1992).
5. B.T. Chait, S.B.H. Kent, Weighing naked proteins: practical, high-accuracy mass measurement of peptides and proteins, Science 257, 1885–1894 (1992).