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Figure 2
Comparison of diffraction patterns from the I (a), J (b) and K (c) crystals. The I and K crystals have a high degree of similarity (human and pig insulin, respectively). A slight shift in 2θ is seen for the J crystals, probably the result of slightly larger unit-cell constants (Table 1[link]), caused by small structural differences due to a B28Asp mutation in the J crystals that gives an increased binding of the cocrystallized protamine peptide. For each sample, the intensity is normalized against total intensity. Inset is the diffraction pattern of the I crystals, obtained on a CCD detector at the beamline 711 (Max-lab, Sweden). The arrow in (c) indicates the extra peak found in the K crystals, but not in the I crystals.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 39| Part 3| May 2006| Pages 391-400
doi:10.1107/S0021889806011058
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