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Three-Dimensional Reconstruction of the Giant Mimivirus Particle with an X-Ray Free-Electron Laser

Abstract : We present a proof-of-concept three-dimensional reconstruction of the giant mimivirus particle from experimentally measured diffraction patterns from an x-ray free-electron laser. Three-dimensional imaging requires the assembly of many two-dimensional patterns into an internally consistent Fourier volume. Since each particle is randomly oriented when exposed to the x-ray pulse, relative orientations have to be retrieved from the diffraction data alone. We achieve this with a modified version of the expand, maximize and compress algorithm and validate our result using new methods.
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https://hal-amu.archives-ouvertes.fr/hal-01768282
Contributor : Olivier Poirot <>
Submitted on : Tuesday, April 17, 2018 - 10:14:39 AM
Last modification on : Monday, August 31, 2020 - 2:14:02 PM

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Tomas Ekeberg, Martin Kauffmann, Chantal Abergel, Filipe Maia, Virginie Seltzer, et al.. Three-Dimensional Reconstruction of the Giant Mimivirus Particle with an X-Ray Free-Electron Laser. Physical Review Letters, American Physical Society, 2015, 114 (9), pp.098102. ⟨10.1103/PhysRevLett.114.098102⟩. ⟨hal-01768282⟩

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