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Title: Protein structure determination by single-wavelength anomalous diffraction phasing of X-ray free-electron laser data

Journal Article · · IUCrJ
 [1];  [1];  [1];  [1];  [1];  [2];  [3];  [1];  [4];  [4];  [1];  [5];  [4];  [1]
  1. Max Planck Institute for Medical Research, Heidelberg (Germany)
  2. European XFEL GmbH, Hamburg (Germany); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Max Planck Institute for Medical Research, Heidelberg (Germany); Univ. of Hamburg, Hamburg (Germany)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)

Serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs) offers unprecedented possibilities for macromolecular structure determination of systems that are prone to radiation damage. However, phasing XFEL data de novo is complicated by the inherent inaccuracy of SFX data, and only a few successful examples, mostly based on exceedingly strong anomalous or isomorphous difference signals, have been reported. Here, it is shown that SFX data from thaumatin microcrystals can be successfully phased using only the weak anomalous scattering from the endogenous S atoms. Furthermore, a step-by-step investigation is presented of the particular problems of SAD phasing of SFX data, analysing data from a derivative with a strong anomalous signal as well as the weak signal from endogenous S atoms.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
OSTI ID:
1307373
Report Number(s):
AC02-76SF00515; IUCRAJ; PII: S2052252516002980
Journal Information:
IUCrJ, Vol. 3, Issue 3; ISSN 2052-2525
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 58 works
Citation information provided by
Web of Science

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Climbing the Data Mountain: Processing of SFX Data book January 2018
Serial millisecond crystallography for routine room-temperature structure determination at synchrotrons journal September 2017
Multi-wavelength anomalous diffraction de novo phasing using a two-colour X-ray free-electron laser with wide tunability journal October 2017
Photoswitching mechanism of a fluorescent protein revealed by time-resolved crystallography and transient absorption spectroscopy journal February 2020
Hydroxyethyl cellulose matrix applied to serial crystallography journal April 2017
An inverse free electron laser acceleration-driven Compton scattering X-ray source journal January 2019
Viscosity-adjustable grease matrices for serial nanocrystallography journal January 2020
Unsupervised determination of protein crystal structures journal May 2019
Processing serial crystallography data with CrystFEL : a step-by-step guide journal January 2019
Sample delivery for serial crystallography at free-electron lasers and synchrotrons journal January 2019
Short-wavelength free-electron laser sources and science: a review text January 2017
Rapid Sample Delivery for Megahertz Serial Crystallography at X-ray FELs text January 2018
Rapid sample delivery for megahertz serial crystallography at X-ray FELs journal July 2018
Processing serial crystallography data with CrystFEL : a step-by-step guide text January 2019
Serial millisecond crystallography for routine room-temperature structure determination at synchrotrons text January 2017
Rapid sample delivery for megahertz serial crystallography at X-ray FELs text January 2018
Climbing the Data Mountain: Processing of SFX Data text January 2018
Processing serial crystallography data with CrystFEL : a step-by-step guide text January 2019
Short-wavelength free-electron laser sources and science: a review journal October 2017
De novo protein structure determination by heavy-atom soaking in lipidic cubic phase and SIRAS phasing using serial synchrotron crystallography text January 2018
Processing serial crystallography data with CrystFEL : a step-by-step guide text January 2019
An inverse free electron laser acceleration-driven Compton scattering X-ray source preprint January 2017