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Title: Structure of CPV17 polyhedrin determined by the improved analysis of serial femtosecond crystallographic data

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms7435· OSTI ID:1190163
 [1];  [2];  [3];  [1];  [4];  [4];  [4];  [5];  [5];  [4];  [6];  [4];  [5];  [1];  [6]
  1. Univ. of Oxford (United Kingdom). Division of Structural Biology, The Wellcome Trust Centre for Human Genetics.
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Univ. of Oxford (United Kingdom). Division of Structural Biology, The Wellcome Trust Centre for Human Genetics; Yale School of Medicine, New Haven, CT (United States). Molecular Biophysics and Biochemistry
  4. Harwell Science and Innovation Campus, Didcot, Oxfordshire (United Kingdom). Diamond House.
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical Biosciences Division.
  6. Univ. of Oxford (United Kingdom). Division of Structural Biology, The Wellcome Trust Centre for Human Genetics; Harwell Science and Innovation Campus, Didcot, Oxfordshire (United Kingdom). Diamond House.

The X-ray free-electron laser (XFEL) allows the analysis of small weakly diffracting protein crystals, but has required very many crystals to obtain good data. Here we use an XFEL to determine the room temperature atomic structure for the smallest cytoplasmic polyhedrosis virus polyhedra yet characterized, which we failed to solve at a synchrotron. These protein microcrystals, roughly a micron across, accrue within infected cells. We use a new physical model for XFEL diffraction, which better estimates the experimental signal, delivering a high-resolution XFEL structure (1.75 Å), using fewer crystals than previously required for this resolution. The crystal lattice and protein core are conserved compared with a polyhedrin with less than 10% sequence identity. We explain how the conserved biological phenotype, the crystal lattice, is maintained in the face of extreme environmental challenge and massive evolutionary divergence. Our improved methods should open up more challenging biological samples to XFEL analysis.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
OSTI ID:
1190163
Journal Information:
Nature Communications, Vol. 6; Related Information: Portions of this research were carried out at the Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory. LCLS is an Office of Science User Facility operated for the U.S. Department of Energy Office of Science by Stanford University.; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 51 works
Citation information provided by
Web of Science

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Cited By (18)

Climbing the Data Mountain: Processing of SFX Data book January 2018
Cell-line-dependent crystal morphology and sublocalization of the Thyrinteina arnobia cypovirus polyhedrin expressed from a recombinant baculovirus journal April 2019
High-speed fixed-target serial virus crystallography journal June 2017
Atomic structure of granulin determined from native nanocrystalline granulovirus using an X-ray free-electron laser journal February 2017
X-ray free-electron laser: opportunities for drug discovery journal July 2018
In cellulo serial crystallography of alcohol oxidase crystals inside yeast cells journal January 2016
Processing serial crystallography data with CrystFEL : a step-by-step guide journal January 2019
Serial Femtosecond Crystallography text January 2015
Megahertz Data Collection from Protein Microcrystals at an X-Ray Free-Electron Laser text January 2018
Demonstration of femtosecond X-ray pump X-ray probe diffraction on protein crystals text January 2018
Megahertz data collection from protein microcrystals at an X-ray free-electron laser journal August 2018
X-ray free electron laser: opportunities for drug discovery journal November 2017
Demonstration of femtosecond X-ray pump X-ray probe diffraction on protein crystals journal September 2018
Processing serial crystallography data with CrystFEL : a step-by-step guide text January 2019
Climbing the Data Mountain: Processing of SFX Data text January 2018
Serial Femtosecond Crystallography journal November 2015
Processing serial crystallography data with CrystFEL : a step-by-step guide text January 2019
Processing serial crystallography data with CrystFEL : a step-by-step guide text January 2019

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