1. Genomics Research Center, Academia Sinica, No. 128, Academia Road, Section 2, Nankang District, Taipei, 11529 Taiwan
2. Chemical Biology and Molecular Biophysics, Taiwan International Graduate Program, Academia Sinica, Taipei, Taiwan
3. Department of Chemistry, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan
4. Department of Chemistry, National Taiwan University, Taipei, 106 Taiwan
5. Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Rd., La Jolla, California 92037, United States