VOLUME 281 (2006) PAGES 10489–10495
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There was an error in Fig. 2B. In the original data provided by the authors to the journal, lanes 1–6 of Fig. 2B were electrophoresed on a different gel from lanes 7 and 8. During figure assembly, the authors erroneously reused lane 4 to represent lane 7. The authors have repeated the experiment, and the results are shown. This error does not affect the results or conclusions of the work.

