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. 2017 Sep 5;7:10577. doi: 10.1038/s41598-017-10918-6

Figure 3.

Figure 3

Characterization of size, folding, and assembly of the protein nanotriangle. (A) The hydrodynamic diameter (d H) of the protein nanotriangle as determined by DLS. (B) Guinier plot to determine R g from SAXS measurements at 44 μM (black dots; Fig. S8). The fit (red line with residuals in green) is for data in the low-q range (q × R g < 1.3). (C) CD spectra for 16, 54, and 32 and the purified assembly (triangle) (5 μM of each protein and 15 μM total for mixtures, 20 °C). (D) Distributions of sedimentation coefficient (s), in Svedbergs (S), for the protein nanotriangle at concentrations of 13, 25, and 38 μM, estimated from interference boundary fits (Fig. S11).