1. Institute
of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
2. Chemical
Biology and Molecular Biophysics Program, Taiwan International Graduate
Program, Academia Sinica, Taipei 11529, Taiwan
3. Institute
of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
4. Faculty
of Chemistry and Pharmacy, Sofia University, Sofia 1164, Bulgaria
5. Department
of Chemistry, National Tsing Hua University, Hsinchu 300, Taiwan