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Figure 3
Lysozyme solution scattering recorded at 0.6 (plus signs), 5.2 (circles) and 100 g l−1 (crosses) in 1 mM acetate buffer at pH 5.0 using the 1 m configuration. A 200 µl aliquot of lysozyme solution was placed in the capillary flow cell in an oscillating motion (1 µl s−1) for the duration of the exposure (20 frames of 30 s). The interparticle interference is clearly seen at 5.2 and 100 g l−1 in the low-Q range where the structure factor deviates from unity. The grey flat line represents measured water X-ray scattering, which is used for absolute intensity scaling. Also shown near the bottom of Fig. 3[link] is the excellent fit of the theoretical scattering curve obtained by Crysol using the PDB entry 193L (solid curve) with the merged data (asterisks, displaced along the ordinate to facilitate comparison), which consist of the low-angle data recorded at 0.6 g l−1 and the high-angle data recorded at higher concentrations.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 40| Part s1| April 2007| Pages s453-s458
doi:10.1107/S0021889807009624
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