There was an error published in J. Cell Sci.128, 4255-4262.

An incorrect citation and reference was given for the last sentence in Box 2. The correct citation and reference are: A recent review provides a detailed update on ATM and ATR inhibitors, and their potential as drug targets (Weber and Ryan, 2015).

Weber, A.M. and Ryan, A.J. (2015). ATM and ATR as therapeutic targets in cancer. Pharmacol Ther. 149, 124-138.

The authors apologise to the readers for any confusion that this error might have caused.