Nat. Cell Biol. 18, 43–53 (2015); published online 7 December 2015; corrected online 23 December 2015

In the version of this Article originally published, references 42 and 43 were incorrect. They have been replaced with the following single reference: 42. Veltman, D. M. et al. PIP3-dependent macropinocytosis is incompatible with chemotaxis. J. Cell Biol. 204, 497–505 (2014).

References 44–51 have been renumbered accordingly. These changes have been made in all online versions of the Article.