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<jats:p>Perfect merohedral twinning of crystals is not uncommon and complicates structural analysis. An iterative method for the deconvolution of data from perfectly merohedrally twinned crystals in the presence of noncrystallographic symmetry (NCS) has been reimplemented. It is shown that the method recovers the data effectively using test data, and an independent metric of success, based on special classes of reflections that are unaffected by the twin operator, is now provided. The method was applied to a real problem with fivefold NCS and rather poor-quality diffraction data, and it was found that even in these circumstances the method appears to recover most of the information. The software has been made available in a form that can be applied to other crystal systems.</jats:p>

Original publication

DOI

10.1107/s2059798316007117

Type

Journal article

Journal

Acta Crystallographica Section D Structural Biology

Publisher

International Union of Crystallography (IUCr)

Publication Date

01/06/2016

Volume

72

Pages

817 - 822