In Duncan et al. (Nature Cell Biology 5, 77–81 (2003), Figure 2c was incorrectly labelled and should read K564Q rather than K564A.

figure 1

Figure 1

The received, revised and accept dates for this paper were also incorrect and should read 31 August 2002, 21 October 2002 and 20 November 2002, respectively. These have now been corrected online.