Institution: | 2.S.T.I. Japan, Minami-Otsuka, Toshima-Ku, Tokyo 170, Japan ;3.Research Laboratory of Biotechnology, Onoda Cement Co., Ltd., Toyosu, Koto-Ku, Tokyo 135, Japan ;1.Department of Biotechnology, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184, Japan ; |