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Figure 3
A graphical representation of N(Z) curves against Z for acentric data from α-LA. The term N(Z) represents the cumulative distribution function, where Z represents the intensity relative to the mean intensity (i.e. Z = I/〈I〉, where I is the intensity), gives the fraction of reflections having an intensity less than Z. As indicated, a comparison with the theoretical distribution shows that a sigmoid habitus follows the distribution for perfect merohedral twinning (x = 1/2) (for details, see Gomis-Rüth et al., 1995BB11).

Journal logoBIOLOGICAL
ISSN: 1399-0047
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