Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp|Department of Biotechnology Research, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818, Japan. sakurai@kazusa.or.jp