Institution: | (1) Department of Biochemistry, Kyoto Prefectural University of Medicine, 602 Kyoto, (Japan);(2) Department of Microbiology, Dokkyo University School of Medicine, 321-02 Mibu, Tochigi, (Japan);(3) Present address: Department of Bioengineering, Nagaoka University of Technology, 940-21 Nagaoka, Niigata, (Japan) |