1. Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, South Korea
2. Protein Structure Research Team, Korea Basic Science Institute, 162 Yeongudanji-Ro, Ochang, Chungbuk 28119, South Korea
3. Advanced Analysis Center, Korea Institute of Science and Technology, Seoul 02792, South Korea
4. Institute for Biomedical Sciences, Shinshu University, Minamiminowa, Nagano 399-4598, Japan