Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-05219-x, published online 06 July 2017

The original version of this Article omitted an affiliation for Robert C. Robinson. The correct affiliations are listed below:

Institute of Molecular and Cell Biology, A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, Singapore, 138673, Singapore.

Department of Biochemistry, National University of Singapore, Singapore, 117597, Singapore.

NTU Institute of Structural Biology, Nanyang Technological University, 59 Nanyang Drive, Singapore, 636921, Singapore.

Research Institute for Interdisciplinary Science, Okayama University, Okayama 700-8530, Japan.

This has now been corrected in the HTML and PDF versions of this Article.