Nat. Chem. Biol. 10, 861–867 (2014); published online 7 September 2014; corrected after print 4 November 2014

In the version of this article initially published, a callout made to Figure 3a should have referred to Figure 4a in the first paragraph of the subsection entitled “Solid-to-fluid DNA transition inside the HSV-1 capsid” on page 864. The error has been corrected in the HTML and PDF versions of the article.