Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-27131-8, published online 11 June 2018

Shin-ichi Koda was omitted from the author list in the original version of this Article. This has been corrected in the PDF and HTML versions of the Article, and in the accompanying Supplementary Information file.

The Author Contributions section now reads:

A.M. and S.A. designed the experiments. A.M. conducted biochemical and fluorescence experiments and analyzed the data with inputs from S.K. J.A. screened initial crystallization condition. Y.F., J.A. and S.A. collected the diffraction data and analyzed the structures with inputs from E.Y. Both A.M. and S.A. drafted the manuscript with input from all authors.