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Double-flow focused liquid injector for efficient serial femtosecond crystallography

  • Dominik Oberthuer
  • , Juraj Knoška
  • , Max O. Wiedorn
  • , Kenneth R. Beyerlein
  • , David A. Bushnell
  • , Elena G. Kovaleva
  • , Michael Heymann
  • , Lars Gumprecht
  • , Richard A. Kirian
  • , Anton Barty
  • , Valerio Mariani
  • , Aleksandra Tolstikova
  • , Luigi Adriano
  • , Salah Awel
  • , Miriam Barthelmess
  • , Katerina Dörner
  • , P. Lourdu Xavier
  • , Oleksandr Yefanov
  • , Daniel R. James
  • , Garrett Nelson
  • Dingjie Wang, George Calvey, Yujie Chen, Andrea Schmidt, Michael Szczepek, Stefan Frielingsdorf, Oliver Lenz, Edward Snell, Philip J. Robinson, Böidar Šarler, Grega Belšak, Marjan Maček, Fabian Wilde, Andrew Aquila, Sébastien Boutet, Mengning Liang, Mark S. Hunter, Patrick Scheerer, John D. Lipscomb, Uwe Weierstall, Roger D. Kornberg, John C.H. Spence, Lois Pollack, Henry N. Chapman, Saša Bajt
  • German Electron Synchrotron
  • University of Hamburg
  • Stanford University
  • MS 69
  • Max Planck Institute of Biochemistry
  • Arizona State University
  • European XFEL
  • Max-Planck Institute for the Structure and Dynamics of Matter
  • Paul Scherrer Institute
  • Cornell University
  • Charité – Universitätsmedizin Berlin
  • Technical University of Berlin
  • University of Nova Gorica
  • Institute of Metals and Technology Ljubljana
  • Helmholtz-Zentrum Hereon
  • SLAC National Accelerator Laboratory
  • University of Minnesota Twin Cities

Research output: Contribution to journalArticlepeer-review

120 Scopus citations

Abstract

Serial femtosecond crystallography requires reliable and efficient delivery of fresh crystals across the beam of an X-ray free-electron laser over the course of an experiment. We introduce a double-flow focusing nozzle to meet this challenge, with significantly reduced sample consumption, while improving jet stability over previous generations of nozzles. We demonstrate its use to determine the first room-temperature structure of RNA polymerase II at high resolution, revealing new structural details. Moreover, the double flow-focusing nozzles were successfully tested with three other protein samples and the first room temperature structure of an extradiol ring-cleaving dioxygenase was solved by utilizing the improved operation and characteristics of these devices.

Original languageEnglish
Article number44628
JournalScientific Reports
Volume7
DOIs
StatePublished - Mar 16 2017

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