Correction to: Communications Chemistry https://doi.org/10.1038/s42004-019-0235-z, published online 21 November 2019.

The original version of this Article contained an error in Fig. 1. In Fig. 1b, a hydrogen atom was incorrectly placed on the sulfur atom attached to the labelled version of protein 1. This error has been corrected in the HTML and PDF versions of the Article.