supported by the National Natural Science Foundation of China(No.31401000;81430044);Youth Medicine Program of the People’s Liberation Army of China(No.13QNP148);the National Basic Research Development Program(973 Program)of China(No.2012CB518200);Integrated Drug Discovery Technology Platform of National Science and Technology Major Projects for"Major New Drugs Innovation and Development"(No.2012ZX09J12201-005)