1. School of Biological and Pharmaceutical Science, Shaanxi University of Science & Technology, Xi’an 710021, P. R. China
2. Key Laboratory of Target Discovery and Protein Drug Development in Major Diseases of Sichuan Higher Education Institutes, School of Bioscience and Technology, Chengdu Medical College, Chengdu 610500, P. R. China
3. Department of Pharmacy, The First Hospital of China Medical University, Shenyang 110001, P. R. China