Analysis and characterization of data from twinned crystals

N. Chandra; K. Ravi Acharya; P. C.E. Moody

doi:10.1107/S0907444999009968

Analysis and characterization of data from twinned crystals

N. Chandra, K. Ravi Acharya, P. C.E. Moody

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43 Citations (SciVal)

Abstract

It is difficult but not impossible to determine a macromolecular structure using X-ray data obtained from twinned crystals, providing it is noticed and corrected. For perfectly twinned crystals, the structure can probably only be solved by molecular replacement. It is possible to detect and characterize twinning from an analysis of the intensity statistics and crystal packing density. Tables of likely twinning operators and some examples are discussed here.

Original language	English
Pages (from-to)	1750-1758
Number of pages	9
Journal	Acta Crystallographica Section D: Biological Crystallography
Volume	55
Issue number	10
DOIs	https://doi.org/10.1107/S0907444999009968
Publication status	Published - 1 Oct 1999

ASJC Scopus subject areas

Structural Biology

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AB - It is difficult but not impossible to determine a macromolecular structure using X-ray data obtained from twinned crystals, providing it is noticed and corrected. For perfectly twinned crystals, the structure can probably only be solved by molecular replacement. It is possible to detect and characterize twinning from an analysis of the intensity statistics and crystal packing density. Tables of likely twinning operators and some examples are discussed here.

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Analysis and characterization of data from twinned crystals

Abstract

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