Nat. Chem. Biol. 11, 571–578 (2015); published online 13 July 2015; corrected online 20 August 2015

In the author list, affiliation and correspondence information for Cheryl Arrowsmith was missing. Her name should be accompanied by affiliation number 3 (signifying the Structural Genomics Consortium, University of Toronto, Toronto, Ontario, Canada) and by an asterisk indicating her status as a corresponding author. These errors have been corrected in the HTML and PDF versions of the article.