Correction to: Nature Structural & Molecular Biology https://doi.org/10.1038/s41594-021-00590-w, published online 27 May 2021.

In the version of this article initially published, the surname of author Mayra L. Ruiz Tejada Segura was misspelled as Ruiz Tejeda Segura. The error has been corrected in the online version of the article.