1. Department
of Biological Chemistry, Division of Applied Life Science, Graduate
School of Life and Environmental Sciences, Osaka Prefecture University, Sakai 599-8531, Japan
2. Department
of Applied Biological Chemistry, Graduate School of Agricultural and
Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
3. Niigata
Research Laboratory, Mitsubishi Gas Chemical Company, Inc., Niigata 950-3112, Japan