1. Osaka Bioscience Institute, 6-2-4 Furuedai, Suita, Osaka 565-0874, Japan, Nissei Sangyo Company Ltd., ULALA 3 9-3, Yamato-cho, Tsuchiura, Ibaraki 300-0036, Japan, Biacore K.K., 2-9-5 Shiba Koen, Minato-ku, Tokyo 105-0011, Japan, Biomolecular Engineering Research Institute, 6-2-3 Furuedai, Suita, Osaka 565-0874, Japan, and CREST, Japan Science Technology Corporation, Osaka Bioscience Institute, 6-2-4 Furuedai, Suita, Osaka 565-0874, Japan