1. State Key Laboratory
of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, People’s Republic of China
2. School of Pharmaceutical Sciences, South Central University for Nationalities, Wuhan 430074, People’s Republic of China
3. Section Structural
Biology, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, 13125 Berlin, Germany