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. 2013 Jun 1;24(11):1765–1775. doi: 10.1091/mbc.E12-12-0907

FIGURE 6:

FIGURE 6:

Increased proteasome association with the Hrd1 core complex when Cdc48p is inactivated. (A, B) The indicated yeast strains were lysed in liquid nitrogen, and proteins were cross-linked with DSP. The membranes were collected and solubilized, and 3xFLAG-tagged Rpt5p was immunoprecipitated. Bound proteins were detected with specific antibodies after DTT treatment. The asterisk shows a nonspecific band that that cross-reacted with anti-FLAG antibody after the immunoprecipitation. (C) A model for the formation of the stalled retrotranslocation complex (see the text for details). As in Figure 5C, note that only a part of the ubiquitinated protein is drawn as a dotted line, because it may loosely associate with Hrd1p.