SAXS analyses of the full-length, wild type ASV IN dimer. A, experimentally determined SAXS data for ASV IN at 2.3 mg/ml, combining scattering data (green data points and blue fit line) and P(r) function (red points with error bars) into a four axis plot. B, Guinier plot of the natural log of the scattering intensity I(Q) versus Q2. A linear fit with data from 0.5/Rg to 1.2/Rg was used to approximate a radius of gyration (Rg) of 32.8 Å. C, shape of the wild type ASV IN dimer in solution, based on the SAXS data and modeled with the program GASBOR. The dimer envelope is shown in a blue mesh representation and two views.