Nature Communications 7:: Article number: 12485; DOI: 10.1038/ncomms12845 (2016); Published: September 22 2016; Updated: November 03 2016
This Article contains errors in Fig. 3. In panel b, the axes are displaced relative to the data, and in panel c, the label ‘Species-specific GD' in red should read ‘Species-specific GD (tandem)'. The correct version of Fig. 3 appears below as Fig. 1.

