1. E. E. Snell, Chemical structure in relation to biological activities of Vitamin B6, Vitam. Horm. 16: 77 (1958).
2. A. Meister, “Biochemistry of the Amino Acids” II ed., Academic Press, New York (1965).
3. P. Fasella and C. Turano, Structure and catalytic role of the functional groups of aspartate aminotransferase, Vitam. Horm. 28: 157 (1970).
4. M. Martinez-Carrion, S. Cheng, M. J. Stankewicz and A. Relimpio, Spectroscopic probes of enzyme-coenzyme-substrate complexes of aspartate transaminases, in: “Isozymes”, C. L. Markers, ed., Academic Press, New York (1975).
5. A. E. Braunstein, Amino group transfer, in: “The Enzymes” IX B, P. D. Boyer, ed., Academic Press, New York (1973).