 | Acta Crystallographica Section D Acta Crystallographica Section D BIOLOGICAL CRYSTALLOGRAPHY |
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![[Figure 2]](ba5089fig2mag.jpg)
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Figure 2
Effect of the resolution cutoff on the experimental cumulative distributions of Z. The plots were produced using X-ray data from PDB entry 1l2h (Rudolph et al., 2003  ). (a) Experimental cumulative distributions of Z for all the data, resolution range 18.6–1.54 Å, (b) the experimental second moment of Z for acentric reflections versus resolution, (c) experimental cumulative distributions of Z in the resolution range 18.6–2.20 Å, (d) completeness and R standard versus resolution. The resolution range used in (c) is shown by green boxes in (b) and (d). The thick blue and red curves correspond to centric and acentric reflections, respectively. The thin black curves in (a) and (c) are the reference (theoretical) cumulative distributions of Z corresponding to (top curves) centric reflections in the untwinned case, (middle curves) centric reflections in the perfectly hemihedrally twinned case (i.e. with two twinning fractions) and acentric reflections in the untwinned case and (bottom curves) acentric reflections in the perfectly hemihedrally twinned case. The thin black curves in (c) are theoretical second moments of Z for acentric reflections versus resolution for (top line) the untwinned and (bottom line) perfectly hemihedrally twinned cases. |
![[Figure 2]](ba5089fig2.jpg)
| BIOLOGICAL CRYSTALLOGRAPHY |
ISSN: 1399-0047
