Author information:
(1)State Key Laboratory of Molecular Developmental Biology, Chinese Academy of 
Sciences (CAS) Center for Excellence in Brain Science and Intelligence 
Technology, Institute of Genetics and Developmental Biology, CAS, Beijing 
100101, China.
(2)University of CAS, Beijing 100101, China.
(3)Department of Virology, State Key Laboratory of Pathogen and Biosecurity, 
Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China.
(4)State Key Laboratory of Stem Cell and Reproductive Biology, Institute of 
Zoology, CAS, Beijing 100101, China.
(5)Graduate School, Anhui Medical University, Hefei 230032, China.
(6)National Laboratory of Macromolecules, Institute of Biophysics, CAS, Beijing 
100101, China.
(7)Shandong Universities Key Laboratory of Etiology and Epidemiology of Emerging 
Infectious Diseases, Taishan Medical College, Taian 271000, China.
(8)Department of Biochemistry and Molecular Biology and Department of 
Pharmacology and Toxicology, Sealy Center for Structural Biology and Molecular 
Biophysics, University of Texas Medical Branch, Galveston, TX 77555, USA.
(9)Parkinson's Disease Center, Beijing Institute for Brain Disorders, Beijing 
100101, China.