1. Key Laboratory of Receptor Research, VARI-SIMM Center, Center for Structure and Function of Drug Targets, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People’s Republic of China.
2. Center of Cancer and Cell Biology, Van Andel Research Institute, 333 Bostwick Avenue Northeast, Grand Rapids, MI 49503, USA.
3. State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, People’s Republic of China.
4. Department of Molecular Pharmacology and Biological Chemistry, Life Sciences Collaborative Access Team, Synchrotron Research Center, Northwestern University, Argonne, IL 60439, USA.
5. Center for Epigenetics, Van Andel Research Institute, Grand Rapids, MI 49503, USA.