Correction to: Nature Structural & Molecular Biology https://doi.org/10.1038/s41594-020-0420-x, published online 11 May 2020.

In the version of this article initially published, the superscript numbers denoting the amino acid residues in the AtCIB116–43 peptide construct were incorrectly linked as reference citations throughout the article. The error has been corrected in the HTML and PDF versions of the article.