The reference Wu et al., 2003, was incorrectly included in the paper. The correct reference (Wu-Baer et al., 2003) appears below.
References
Wu-Baer, F., K. Lagrazon, W. Yuan, and R. Baer.
2003
. The BRCA1/BARD1 heterodimer assembles polyubiquitin chains through an unconventional linkage involving lysine residue K6 of ubiquitin. J. Biol. Chem
. 278:34743
–34746.The Rockefeller University Press
2004