About the Authors
The State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
The authors have declared that no competing interests exist.
Manuscript preparation: H-BT N-NL JP. Conceived and designed the experiments: YH F-LM J-QZ. Performed the experiments: YH H-BT N-NL X-JT WD Y-MD X-HF YZ. Analyzed the data: YH H-BT N-NL J-QZ JP. Wrote the paper: YH J-QZ.