2) R. Iwamoto, H. Taniki, and S. Nakura, in “Enzymes Dependent on Pyridoxal Phosphate and Other carbonyl Compounds as Cofactors,” ed. by T. Fukui, H. Kagamiyama, K. Soda, and H. Wada, Pergamon Press, Oxford, New York, Seoul, Tokyo, 1990, pp. 317-319.