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. 2007 Jun 27;405(Pt 2):341–349. doi: 10.1042/BJ20070082

Figure 5. Proteasome mediated C/EBPδ degradation is unaffected by inhibition of polyubiquitination.

Figure 5

(a) Me-Ub does not inhibit C/EBPδ degradation in vitro. An excess amount of Me-Ub was used to replace ubiquitin. Quantified Western blot results are shown in the right panel. (b) Dominant-negative ubiquitin (HA-UbR7) does not inhibit C/EBPδ degradation in vivo. Degradation of cyclin B1 is shown as a positive control. Protein contents were normalized to β-actin. Quantified Western blot results are presented in the right panel.