Paul M. Hwang, Fred Bunz, Jian Yu, Carlo Rago, Tim A. Chan, Michael P. Murphy, Geoffry F. Kelso, Robin A.J. Smith, Kenneth W. Kinzler & Bert Vogelstein

Nature Med. 7, 1111–1117 (2001).

Page 1114, the western-blot label for Fig. 4b is incorrect. It should read “β-Cat” instead of “p-cat”.

We regret this error.