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. 2018 Feb 6;4:9. doi: 10.1038/s41420-017-0001-x

Fig. 5. Validation of the significant role of proteasome activity to generate endogenous peptides in TGF-β1-treated cells.

Fig. 5

a Prediction of proteasome-dependent proteolysis of the altered endogenous peptides identified from the TGF-β1-treated cells based on their P1 cleavage site. b Experimental confirmation of proteasome-dependent proteolysis of the altered endogenous peptides identified from the proteasome inhibitor (MG132)-treated cells. c Heat map analysis of the overlapped endogenous peptides found in both TGF-β1-treated and MG132-treated cells