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Figure 3
Simulated SAXS data for parvalbumin (PDB ID 1pal), with terbium atoms in two calcium-binding sites of the protein. Regular, wavelength-independent scattering (top panel, black) was computed with CRYSOL in default mode, while anomalous scattering (top panel, red) was evaluated with CRYSOL in anomalous mode, at the LIII absorption edge of terbium (7517 eV). Experimental data were simulated with IMSIM at two parvalbumin concentrations, 10 and 50 mg ml−1. DATCMP was used to compare regular and anomalous scattering at the two concentrations, showing greater differences at 50 mg ml−1 (details in Table 1 ![]() |
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