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Figure 3
The probabilistic Harker construction for SAD phasing. For this figure, the base of the FH+′′ vector is chosen as the origin. Uncertainty in the anomalous scatterer model will lead to uncertainty in the scale and orientation of the set of black, red and blue vectors representing the real and imaginary contributions of the anomalous scatterers to F+ and F*. This leads to uncertainty in the position of the red circle, which is represented as a circular distribution of red shading. The contribution of errors in the measurement of the observed |Fo+| and |Fo| can be represented as a further increase in the width of the red distribution.

Journal logoBIOLOGICAL
ISSN: 1399-0047
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