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. 2021 Dec 15;11(12):1884. doi: 10.3390/biom11121884

Figure 5.

Figure 5

Overproduced Hsp104 disassembles Sup35 prion aggregates, but not fibrils. Hsp104 was either endogenous, or produced from a multicopy plasmid under control of the native promoter (~30-fold excess). (A) Sup35 aggregates of yeast lysates fractionated by centrifugation. Sup35PS, [PSI+PS1], and [PSI+PS2] relate to Sup35 with prion domain from yeast P. methanolica and M and C domains from S. cerevisiae and its two prion variants. (B) SDD-AGE of Sup35 prion fibrils. (A,B) Western blot staining for Sup35NM. Data reproduced from previous research [107] (A), [44] (B).