Fukuyama, Yasuaki; Matoishi, Kaori; Iwasaki, Masakazu; Takizawa, Eiji; Miyazaki, Mamoru; Ohta, Hiromichi; Hanzawa, Satoshi; Kakidani, Hitoshi; Sugai, Takeshi Bioscience, Biotechnology and Biochemistry, 1999 , vol. 63, # 9 p. 1664 - 1666