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Figure 7
Effects of the conversion from intensities to amplitudes. (a) Iobs/σ(Iobs) versus resolution. (b) Fobs/σ(Fobs) does not contain any Fobs/σ(Fobs) equal to or smaller than zero. The centric reflections are visible as a thin line of values lower than the majority of the others (inside the red box). (c, d) While the ice rings have high σ(Iobs), the σ(Fobs) are dominated by the prior distribution, which is exponential or super-exponential, leading to smaller than average σ(Fobs) for the ice-ring reflections. In addition, σ(Fobs) values form two distinct clusters (red dashed ellipses), which is a typical effect of the conversion in CTRUNCATE.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 73| Part 9| September 2017| Pages 729-737
https://doi.org/10.1107/S205979831700969X
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