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Effect of the yeast and mammalian 19 S RPs on the stability of the p53·p21waf1 promoter complex. The figure shows an anti-p53 Western blot that measures the amount of protein that remained bound to the immobilized DNA (see Fig. 1) after incubation with the reagents indicated, including 19 S RPs from yeast (A) and cow red blood cells (B).
