Supplementary Figure 3: C286W mutation impairs MCL-1ΔNΔC protection of BID BH3 from deuterium exchange.

(a-d) MS spectra of BID BH3 peptide at (a) 0, (b) 10, (c) 20, and (d) 40 seconds for peptide alone (black) or the peptide combined with MCL-1ΔNΔC (red) or MCL-1ΔNΔC C286W (purple).