Correction to: Nature Structural & Molecular Biology https://doi.org/10.1038/s41594-022-00893-6. Published online 23 December 2022.

This paper was originally published under a standard Springer Nature license (© The Author(s), under exclusive licence to Springer Nature America, Inc.). It is now available as an Open Access paper under a Creative Commons Attribution 4.0 International license, © The Author(s). The error has been corrected in the HTML and PDF versions of the article.