1. School of Pharmaceutical Sciences Wuhan University Wuhan 430071 P. R. China
2. Department of Pharmacy Wuhan No. 1 Hospital Wuhan 430022 P. R. China
3. Department of Pathogen Biology & Jiangsu Key Laboratory of Pathogen Biology & Helicobacter pylori Research Center Nanjing Medical University Nanjing 211166 P. R. China
4. Beijing Key Laboratory of Drug Targets Identification and Drug Screening Institute of Materia Medica Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100050 P. R. China
5. School of Biological Science and Technology University of Jinan Jinan 250022 P. R. China