1. World
Class Institute (WCI) Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanjiro, Ochang, Cheongwon, Chungbuk 363-883, Korea
2. Department
of Biochemistry, College of Natural Sciences, Chungnam National University, 99 Daehakro, Yuseonggu, Daejeon 305-764, Korea
3. Chemical
Biology Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanjiro, Ochang, Cheongwon, Chungbuk 363-883, Korea
4. Chemical
Biology Department, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan