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. 2019 Feb 5;18(5):954–967. doi: 10.1074/mcp.TIR119.001323

Fig. 5.

Fig. 5.

Oxidative stress induces structural changes within the 20S CP. A, Respective distribution of quantified 20S-20S cross-links for proteasomes purified from the three selected baits. The 20S-20S cross-links were decreased significantly in proteasomes from Rpn11 and Rpt6 but remain unchanged in α7 purifications. B, Mapping the 20S-20S cross-links identified from Rpn11 and Rpt6 proteasome purifications to the high-resolution structure of the human 26S proteasome shows distribution of cross-links to the solvent-accessible perimeter of the 20S subcomplex.