Figure 3. Radii of gyration obtained from Guinier fits and the ellipsoid models correlate.

Radii of gyration (Rg’s) for varied alkyl chain lengths of phosphocholine (▴), glucoside (•), maltoside (▪), and lysophosphatidyl glycerol (▾) detergent head groups were determined from Guinier analysis of the low angle scattering data and calculated from the model geometry (Methods S1). A correlation plot illustrates the agreement between the Rg determined from the Guinier analysis of the scattering data (Rg_expt) with the Rg calculated from the model geometry (Rg_model) for each detergent. The dashed line represents a perfect correlation between the two approaches.