1. Biotechnology Research Center and Department of Biotechnology, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan, Central Research Laboratory, Nippon Suisan Kaisha, Ltd., Tokyo Innovation Center, 1-32-3 Nanakuni, Hachioji, Tokyo 192-0991, Japan, and Application Laboratories, Rigaku Corporation, 3-9-12 Matsubara-cho, Akishima, Tokyo 196-8666, Japan