VOLUME 290 (2015) PAGES 19458–19468
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In Fig. 5C, the aspect ratio was not locked in the IP: anti-β-catenin, IB: anti-β-catenin immunoblots. When the images in this figure were assembled, the aspect ratio for this immunoblot changed. The corrected figure is shown below. This error does not change the results or the conclusions of this work.
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In Fig. 6D, the top edge of the membrane in the C/EBPα blot is visible. To avoid any confusion, this edge has been cropped out. The corrected figure is shown below. This error does not change the results or the conclusions of this work.

