Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-12365-9, published online 27 September 2017

In the original version of this Article, Affiliations 1 and 2 were not listed in the correct order. The correct affiliations are listed below:

Affiliation 1

National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.

Affiliation 2

College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China.

This error has now been corrected in the PDF and HTML versions of the Article and in the supplementary information.