1. 1) Kakiuchi, S., and Yamazaki, R. (1970): Proc. Japan Acad., 46, 387.
2. 2) Kakiuchi, S., and Yamazaki, R. (1970): Manuscript in preparation.
3. 3) Kakiuchi, S., Yamazaki, R., and Nakajima, H. (1969): Bulletin of the Japanese Neurochemical Society, 8, Suppl., 17.
4. 4) Cheung, W. Y. (1970): Biochem. Biophys. Res. Commun., 38, 533.
5. 5) Butcher, R. W., and Sutherland, E. W. (1962): J. Biol. Chem., 237, 1244.