1 Department of Biology, Faculty of Science, Kobe University, Rokkodai 1-1, Nada-ku, Kobe, 657-8501, Japan 2 Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), Chuou-ku, Tokyo, 113-0027, Japan 3 Department of Chemistry, Pohang University of Science and Technology, San 31 Hyoja Dong, Pohang 790-784, Korea 4 Department of Life Science, Graduat...