Erratum

Nat. Cell Biol. 16, 234–244 (2014); published online 23 February 2014; corrected after print 5 March 2014

In the version of this Article originally published, 'CDK5R1; also known as p53' in the last sentence of the Introduction should have read 'CDK5R1; also known as p35'. This error has now been corrected in the online versions of the Article.