Jung-wook Seo2, Heawon Chung2, Mi-yun Kim2, Jeonggi Lee1, In-hong Choi Prof.1,* and Jinwoo Cheon Prof.2,*
1Department of Microbiology, College of Medicine, Yonsei University, Seoul 120-752, Korea,
2Department of Chemistry, Yonsei University, Seoul 120-749, Korea,
*To whom correspondence may be addressed.