1. Department of Food and Nutritional Sciences, University of Shizuoka, 52-1 Yada, Shizuoka 422-8526, Japan, Department of Microbiology, Toho University School of Medicine, 5-21-16 Omori-Nishi, Ota-ku, Tokyo 143-8540, Japan, Laboratoire d'Enzymologie, Centre for Protein Engineering, Université de Liège, 4000 Liège, Belgium, Suntory Institute for Bioorganic Research, Wakayamadai, Shimamoto-cho, Mishima-gun, Osaka 618-8503, Japan, and Department of Bioscience and Biotechnology, Aomori University, 2-3-1...