Correction to: Nature Structural & Molecular Biology https://doi.org/10.1038/s41594-023-01140-2, published online 4 January 2024.

In the version of the article initially published, the Data Availability section contained three wrong ID numbers which have now been amended to “EMD-29422 … PDB ID: 8FSB; EMBD ID: EMD-29418” in the HTML and PDF versions of the article.