Correction to: Nature Medicine https://doi.org/10.1038/s41591-019-0423-5, published online 06 May 2019.

In the version of this article originally published, there is an error in Fig. 5a. Originally, ‘MAT2A’ appeared between ‘Methionine’ and ‘Homocysteine’. ‘MAT2A’ should have been ‘MTR’. The error has been corrected in the PDF and HTML versions of this article.