[1] Natl Univ Singapore, Dept Computat Sci, Bioinformat & Drug Design Grp, Singapore 117543, Singapore
[2] Chongqing Univ, Dept Appl Phys, Chongqing 400044, Peoples R China
[3] Zhejiang Univ, Coll Life Sci, Hangzhou 310029, Zhejiang, Peoples R China
[4] Shanghai Ctr Bioinformat Technol, Shanghai 200235, Peoples R China