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Figure 1
Britton plot (Britton, 1972BB2; Fisher & Sweet, 1980BB8) for a DAOCS crystal, showing the number of negative intensities as a function of the assumed twin fraction. An estimation of the twin fraction that is higher than its real value will result in several detwinned intensities with a negative value. The monitoring of the number of negative intensities as a function of the hypothetical α allows the actual twin fraction to be extrapolated (red line).

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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