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. 2019 Dec 30;9:20332. doi: 10.1038/s41598-019-56993-9

Figure 8.

Figure 8

CIU plots of monomeric (a,c,e) and dimeric (b,d,f) species of the constructs V_C1, V_C1_C2, and FL_RAGE. The monomeric species of V_C1 (+8; m/z range 2290–2291) and V_C1_C2 (+11; m/z range 3174.3–3175.3) did not show unfolding in this energy range, while the dimeric species showed unfolding at 375 eV (+13; m/z range 3522–3523) and 1750 eV (+17; m/z range 4113–4115), respectively. FL_RAGE exhibited unfolding at 1375 eV for the monomer (+13; m/z range 3215–3217) and 2250 eV for the dimer (+18; m/z range 4642–4644). The relatively higher ion energy necessary for the unfolding of V_C1_C2 and FL_RAGE as compared to V_C1 indicates a stabilizing effect of the C2 and TM domain in the protein.