1. Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, Guangdong Provincial Key Laboratory of New Drug Design and Evaluation School of Pharmaceutical Sciences Sun Yat-Sen University Guangzhou 510006 P. R. China
2. Warshel Institute for Computational Biology General Education Division The Chinese University of Hong Kong Shenzhen 518172 P. R. China
3. Guangzhou Lee & Man Technology Company Limited Guangzhou 510000 P. R. China
4. State Key Laboratory of Coordination Chemistry Nanjing University Nanjing 210093 P. R. China
5. State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Guangxi Normal University Guilin 541004 P. R. China