Human Molecular Genetics 2002 11:17; pp. 1953–1965; doi: 10.1093/hmg/11.17.1953 and doi: 10.1093/hmg/ddu539

After publishing the previous Corrigendum, it was pointed out that panel B of Figure 1 was also incorrect and should have been replaced. The publisher apologizes for this error as the complete and correct new figure had been provided by the authors. Figure 1 is now reproduced here and has been corrected online.