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Data Exploration Toolkit for serial diffraction experiments

  • Author(s): Zeldin, OB
  • Brewster, AS
  • Hattne, J
  • Uervirojnangkoorn, M
  • Lyubimov, AY
  • Zhou, Q
  • Zhao, M
  • Weis, WI
  • Sauter, NK
  • Brunger, AT
  • et al.
Abstract

© 2015. Ultrafast diffraction at X-ray free-electron lasers (XFELs) has the potential to yield new insights into important biological systems that produce radiation-sensitive crystals. An unavoidable feature of the 'diffraction before destruction' nature of these experiments is that images are obtained from many distinct crystals and/or different regions of the same crystal. Combined with other sources of XFEL shot-to-shot variation, this introduces significant heterogeneity into the diffraction data, complicating processing and interpretation. To enable researchers to get the most from their collected data, a toolkit is presented that provides insights into the quality of, and the variation present in, serial crystallography data sets. These tools operate on the unmerged, partial intensity integration results from many individual crystals, and can be used on two levels: firstly to guide the experimental strategy during data collection, and secondly to help users make informed choices during data processing.

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