Nature 510, 288–292 (2014); doi:10.1038/nature13386

Owing to a production error, the vertical axis of the right panel of Fig. 3g was misaligned. The correct panel is shown below as Fig. 1 of this Erratum. In addition, the legends for Fig. 2 and Extended Data Fig. 3 should read “Induction of CTPS1 expression during T- and B-cell activation and defective proliferation of activated CTPS1-deficient T and B cells” and “Induction of CTPS1 expression in activated B cells and inhibitors of CTPS1 expression in activated T cells”, respectively.

Figure 1
figure 1

This is the corrected Fig. 3g of the original Letter.