Figure 5. Mouse islets and MIN6 cells accumulate similar levels of the 20S, 19S, 11S and polyubiquitin chains.

(A). Experiment like in Fig. 4B, except with mouse islets. (B). Experiment like in Fig. 4C, except with mouse islets. (C). Side-by-side Western blot analysis of the indicated, detergent-free extracts prepared from MIN6 cells and mouse islets was performed with the indicated antibodies, as described in Methods.