Nature 439, 497–501 (2006)
Figure 3a of this Letter contains an inadvertently duplicated panel set: those referring to ‘pph3Δ (YJK26)’ are identical to ‘PPH3 (YJK17)’. The corrected panels are shown here. Note that the quantification shown in Fig. 3b refers to the correct panels. Our results and conclusions are unaffected by this oversight.
The online version of the original article can be found at 10.1038/nature04384