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Title: Bragg coherent diffraction imaging and metrics for radiation damage in protein micro-crystallography

Journal Article · · Journal of Synchrotron Radiation (Online)
 [1];  [2];  [2];  [1]; ORCiD logo [2];  [3];  [4];  [5];  [6]; ORCiD logo [6];  [2]
  1. La Trobe Univ., Victoria (Australia); CSIRO Manufacturing Flagship, Parkville (Australia)
  2. La Trobe Univ., Victoria (Australia)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  5. Univ. of Oxford, Oxford (United Kingdom)
  6. Argonne National Lab. (ANL), Argonne, IL (United States)

The proliferation of extremely intense synchrotron sources has enabled ever higher-resolution structures to be obtained using data collected from smaller and often more imperfect biological crystals. Synchrotron beamlines now exist that are capable of measuring data from single crystals that are just a few micrometres in size. This provides renewed motivation to study and understand the radiation damage behaviour of small protein crystals. Reciprocal-space mapping and Bragg coherent diffractive imaging experiments have been performed on cryo-cooled microcrystals of hen egg-white lysozyme as they undergo radiation damage. Several well established metrics, such as intensity-loss and lattice expansion, are applied to the diffraction data and the results are compared with several new metrics that can be extracted from the coherent imaging experiments. Individually some of these metrics are inconclusive. However, combining metrics, the results suggest that radiation damage behaviour in protein micro-crystals differs from that of larger protein crystals and may allow them to continue to diffract for longer. As a result, a possible mechanism to account for these observations is proposed.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1348845
Journal Information:
Journal of Synchrotron Radiation (Online), Vol. 24, Issue 1; ISSN 1600-5775
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

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Cited By (7)

Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample journal January 2020
Simulated sample heating from a nanofocused X-ray beam journal August 2017
Lifetimes and spatio-temporal response of protein crystals in intense X-ray microbeams journal October 2017
Resolution and dose dependence of radiation damage in biomolecular systems journal September 2019
Resolution and dose dependence of radiation damage in biomolecular systems journal July 2019
Nano-scale imaging of the full strain tensor of specific dislocations extracted from a bulk sample text January 2019
The Influence of Photoelectron Escape in Radiation Damage Simulations of Protein Micro-Crystallography journal June 2018

Figures / Tables (5)


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