Nature Communications 5: Article number; 5338 (2014); Published: 27 October 2014; Updated: 2 April 2015

In this Article, there are errors in the labelling of the thin layer chromatogram in Fig. 6e. The two lanes labelled ‘+’ should have been labelled ‘−’, and the two lanes labelled ‘−’ should have been labelled ‘+’. The correct version of this figure follows.

Figure 6