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Figure 8
(a)–(d) Comparison between simulated and experimental powder patterns of the three rhombohedral crystal types D, E and F. The three types differ in the length of the c axis and their N-terminal B-chain conformation (R6, T3R3f and T6). Simulated patterns are coloured in dark blue, experimental in orange. (a) D crystals, (b) E crystals, (c) F crystals compared with 1mso (human insulin collected at 100 K), (d) F crystals compared with 4ins (pig insulin collected at room temperature). The room-temperature structure has a better match of the peak positions, indicating that the cell dimensions of the F crystals are more similar to this one. Normalization was performed as explained in Fig. 7[link]. Although the intensities differ, the peak positions have a good overall match between simulated and experimental data.

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