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Patterson methods in fibre diffraction analysis

Authors
Journal
International Journal of Biological Macromolecules
0141-8130
Publisher
Elsevier
Publication Date
Volume
14
Issue
3
Identifiers
DOI: 10.1016/s0141-8130(05)80003-0
Keywords
  • X-Ray Diffraction
  • Polymers
  • Electron Density
  • Patterson Analysis

Abstract

The potential of the Patterson methods for X-ray diffraction studies of textures is examined in DNA fibres. Patterson analysis, which is rarely used in these situations, is shown to yield important information on the preliminary interpretation of diffraction patterns and to increase the reliability of the three-dimensional structural pattern obtained for polymeric molecules. We also show how the screw symmetry of helical molecules can be used to calculate their electron density by means of the three-dimensional Patterson function.

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