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Instruments / Technical Area	Publication Details	Published
	Diffraction data from aerosolized Coliphage PR772 virus particles imaged with the Linac Coherent Light Source Haoyuan Li , Reza Nazari , Brian Abbey , Roberto Alvarez , Andrew Aquila , Kartik Ayyer , Anton Barty , Peter Berntsen , Johan Bielecki , Alberto Pietrini , Maximilian Bucher , Gabriella Carini , Henry N. Chapman , Alice Contreras , Benedikt J. Daurer , Hasan Demirci , Leonie Flűckiger , Matthias Frank , Janos Hajdu , Max F. Hantke , Brenda G. Hogue , Ahmad Hosseinizadeh , Mark S. Hunter , H. Olof Jönsson , Richard A. Kirian , Ruslan P. Kurta , Duane Loh , Filipe R. N. C. Maia , Adrian P. Mancuso , Andrew J. Morgan , Matthew Mcfadden , Kerstin Muehlig , Anna Munke , Hemanth Kumar Narayana Reddy , Carl Nettelblad , Abbas Ourmazd , Max Rose , Peter Schwander , M. Marvin Seibert , Jonas A. Sellberg , Raymond G. Sierra , Zhibin Sun , Martin Svenda , Ivan A. Vartanyants , Peter Walter , Daniel Westphal , Garth Williams , P. Lourdu Xavier , Chun Hong Yoon , Sahba Zaare Scientific Data 7 DOI: 10.1038/s41597-020-00745-2 Open Access Show Abstract ▼ Abstract: Single Particle Imaging (SPI) with intense coherent X-ray pulses from X-ray free-electron lasers (XFELs) has the potential to produce molecular structures without the need for crystallization or freezing. Here we present a dataset of 285,944 diffraction patterns from aerosolized Coliphage PR772 virus particles injected into the femtosecond X-ray pulses of the Linac Coherent Light Source (LCLS). Additional exposures with background information are also deposited. The diffraction data were collected at the Atomic, Molecular and Optical Science Instrument (AMO) of the LCLS in 4 experimental beam times during a period of four years. The photon energy was either 1.2 or 1.7 keV and the pulse energy was between 2 and 4 mJ in a focal spot of about 1.3 μm x 1.7 μm full width at half maximum (FWHM). The X-ray laser pulses captured the particles in random orientations. The data offer insight into aerosolised virus particles in the gas phase, contain information relevant to improving experimental parameters, and provide a basis for developing algorithms for image analysis and reconstruction.	Nov 2020
I24-Microfocus Macromolecular Crystallography	Photoreversible interconversion of a phytochrome photosensory module in the crystalline state E. Sethe Burgie , Jonathan A. Clinger , Mitchell D. Miller , Aaron S. Brewster , Pierre Aller , Agata Butryn , Franklin D. Fuller , Sheraz Gul , Iris D. Young , Cindy C. Pham , In-Sik Kim , Asmit Bhowmick , Lee J. O’riordan , Kyle D. Sutherlin , Joshua V. Heinemann , Alexander Batyuk , Roberto Alonso-Mori , Mark S. Hunter , Jason E. Koglin , Junko Yano , Vittal K. Yachandra , Nicholas K. Sauter , Aina E. Cohen , Jan Kern , Allen M. Orville , George N. Phillips , Richard D. Vierstra Proceedings Of The National Academy Of Sciences 37 DOI: 10.1073/pnas.1912041116 Diamond Proposal Number(s): [19458] Open Access Show Abstract ▼ Abstract: A major barrier to defining the structural intermediates that arise during the reversible photointerconversion of phytochromes between their biologically inactive and active states has been the lack of crystals that faithfully undergo this transition within the crystal lattice. Here, we describe a crystalline form of the cyclic GMP phosphodiesterases/adenylyl cyclase/FhlA (GAF) domain from the cyanobacteriochrome PixJ in Thermosynechococcus elongatus assembled with phycocyanobilin that permits reversible photoconversion between the blue light-absorbing Pb and green light-absorbing Pg states, as well as thermal reversion of Pg back to Pb. The X-ray crystallographic structure of Pb matches previous models, including autocatalytic conversion of phycocyanobilin to phycoviolobilin upon binding and its tandem thioether linkage to the GAF domain. Cryocrystallography at 150 K, which compared diffraction data from a single crystal as Pb or after irradiation with blue light, detected photoconversion product(s) based on Fobs − Fobs difference maps that were consistent with rotation of the bonds connecting pyrrole rings C and D. Further spectroscopic analyses showed that phycoviolobilin is susceptible to X-ray radiation damage, especially as Pg, during single-crystal X-ray diffraction analyses, which could complicate fine mapping of the various intermediate states. Fortunately, we found that PixJ crystals are amenable to serial femtosecond crystallography (SFX) analyses using X-ray free-electron lasers (XFELs). As proof of principle, we solved by room temperature SFX the GAF domain structure of Pb to 1.55-Å resolution, which was strongly congruent with synchrotron-based models. Analysis of these crystals by SFX should now enable structural characterization of the early events that drive phytochrome photoconversion.	Dec 2019
I03-Macromolecular Crystallography	Megahertz serial crystallography Max O. Wiedorn , Dominik Oberthuer , Richard Bean , Robin Schubert , Nadine Werner , Brian Abbey , Martin Aepfelbacher , Luigi Adriano , Aschkan Allahgholi , Nasser Al-Qudami , Jakob Andreasson , Steve Aplin , Salah Awel , Kartik Ayyer , Saša Bajt , Imrich Barák , Sadia Bari , Johan Bielecki , Sabine Botha , Djelloul Boukhelef , Wolfgang Brehm , Sandor Brockhauser , Igor Cheviakov , Matthew A. Coleman , Francisco Cruz-Mazo , Cyril Danilevski , Connie Darmanin , R. Bruce Doak , Martin Domaracky , Katerina Dörner , Yang Du , Hans Fangohr , Holger Fleckenstein , Matthias Frank , Petra Fromme , Alfonso M. Gañán-Calvo , Yaroslav Gevorkov , Klaus Giewekemeyer , Helen Mary Ginn , Heinz Graafsma , Rita Graceffa , Dominic Greiffenberg , Lars Gumprecht , Peter Göttlicher , Janos Hajdu , Steffen Hauf , Michael Heymann , Susannah Holmes , Daniel A. Horke , Mark S. Hunter , Siegfried Imlau , Alexander Kaukher , Yoonhee Kim , Alexander Klyuev , Juraj Knoška , Bostjan Kobe , Manuela Kuhn , Christopher Kupitz , Jochen Küpper , Janine Mia Lahey-Rudolph , Torsten Laurus , Karoline Le Cong , Romain Letrun , P. Lourdu Xavier , Luis Maia , Filipe R. N. C. Maia , Valerio Mariani , Marc Messerschmidt , Markus Metz , Davide Mezza , Thomas Michelat , Grant Mills , Diana C. F. Monteiro , Andrew Morgan , Kerstin Mühlig , Anna Munke , Astrid Münnich , Julia Nette , Keith A. Nugent , Theresa Nuguid , Allen M. Orville , Suraj Pandey , Gisel Pena , Pablo Villanueva-Perez , Jennifer Poehlsen , Gianpietro Previtali , Lars Redecke , Winnie Maria Riekehr , Holger Rohde , Adam Round , Tatiana Safenreiter , Iosifina Sarrou , Tokushi Sato , Marius Schmidt , Bernd Schmitt , Robert Schönherr , Joachim Schulz , Jonas A. Sellberg , M. Marvin Seibert , Carolin Seuring , Megan L. Shelby , Robert L. Shoeman , Marcin Sikorski , Alessandro Silenzi , Claudiu A. Stan , Xintian Shi , Stephan Stern , Jola Sztuk-Dambietz , Janusz Szuba , Aleksandra Tolstikova , Martin Trebbin , Ulrich Trunk , Patrik Vagovic , Thomas Ve , Britta Weinhausen , Thomas A. White , Krzysztof Wrona , Chen Xu , Oleksandr Yefanov , Nadia Zatsepin , Jiaguo Zhang , Markus Perbandt , Adrian P. Mancuso , Christian Betzel , Henry Chapman , Anton Barty Nature Communications 9 DOI: 10.1038/s41467-018-06156-7 Open Access Show Abstract ▼ Abstract: The new European X-ray Free-Electron Laser is the first X-ray free-electron laser capable of delivering X-ray pulses with a megahertz inter-pulse spacing, more than four orders of magnitude higher than previously possible. However, to date, it has been unclear whether it would indeed be possible to measure high-quality diffraction data at megahertz pulse repetition rates. Here, we show that high-quality structures can indeed be obtained using currently available operating conditions at the European XFEL. We present two complete data sets, one from the well-known model system lysozyme and the other from a so far unknown complex of a β-lactamase from K. pneumoniae involved in antibiotic resistance. This result opens up megahertz serial femtosecond crystallography (SFX) as a tool for reliable structure determination, substrate screening and the efficient measurement of the evolution and dynamics of molecular structures using megahertz repetition rate pulses available at this new class of X-ray laser source.	Oct 2018
	Femtosecond X-ray coherent diffraction of aligned amyloid fibrils on low background graphene Carolin Seuring , Kartik Ayyer , Eleftheria Filippaki , Miriam Barthelmess , Jean-Nicolas Longchamp , Philippe Ringler , Tommaso Pardini , David H. Wojtas , Matthew A. Coleman , Katerina Dörner , Silje Fuglerud , Greger Hammarin , Birgit Habenstein , Annette E. Langkilde , Antoine Loquet , Alke Meents , Roland Riek , Henning Stahlberg , Sébastien Boutet , Mark S. Hunter , Jason Koglin , Mengning Liang , Helen M. Ginn , Rick P. Millane , Matthias Frank , Anton Barty , Henry N. Chapman Nature Communications 9 DOI: 10.1038/s41467-018-04116-9 Open Access Show Abstract ▼ Abstract: Here we present a new approach to diffraction imaging of amyloid fibrils, combining a free-standing graphene support and single nanofocused X-ray pulses of femtosecond duration from an X-ray free-electron laser. Due to the very low background scattering from the graphene support and mutual alignment of filaments, diffraction from tobacco mosaic virus (TMV) filaments and amyloid protofibrils is obtained to 2.7 Å and 2.4 Å resolution in single diffraction patterns, respectively. Some TMV diffraction patterns exhibit asymmetry that indicates the presence of a limited number of axial rotations in the XFEL focus. Signal-to-noise levels from individual diffraction patterns are enhanced using computational alignment and merging, giving patterns that are superior to those obtainable from synchrotron radiation sources. We anticipate that our approach will be a starting point for further investigations into unsolved structures of filaments and other weakly scattering objects.	May 2018
B22-Multimode InfraRed imaging And Microspectroscopy I03-Macromolecular Crystallography I04-Macromolecular Crystallography	X-ray free electron laser determination of crystal structures of dark and light states of a reversibly photoswitching fluorescent protein at room temperature Christopher D. M. Hutchison , Violeta Cordon-Preciado , Rhodri M. L. Morgan , Takanori Nakane , Josie Ferreira , Gabriel Dorlhiac , Alvaro Sanchez-Gonzalez , Allan S. Johnson , Ann Fitzpatrick , Clyde Fare , Jon Marangos , Chun Hong Yoon , Mark S. Hunter , Daniel P. Deponte , Sébastien Boutet , Shigeki Owada , Rie Tanaka , Kensuke Tono , So Iwata , Jasper J. Van Thor International Journal Of Molecular Sciences 18 DOI: 10.3390/ijms18091918 Diamond Proposal Number(s): [12579] Open Access Show Abstract ▼ Abstract: The photochromic fluorescent protein Skylan-NS (Nonlinear Structured illumination variant mEos3.1H62L) is a reversibly photoswitchable fluorescent protein which has an unilluminated/ground state with an anionic and cis chromophore conformation and high fluorescence quantum yield. Photo-conversion with illumination at 515 nm generates a meta-stable intermediate with neutral trans-chromophore structure that has a 4 h lifetime. We present X-ray crystal structures of the cis (on) state at 1.9 Angstrom resolution and the trans (off) state at a limiting resolution of 1.55 Angstrom from serial femtosecond crystallography experiments conducted at SPring-8 Angstrom Compact Free Electron Laser (SACLA) at 7.0 keV and 10.5 keV, and at Linac Coherent Light Source (LCLS) at 9.5 keV. We present a comparison of the data reduction and structure determination statistics for the two facilities which differ in flux, beam characteristics and detector technologies. Furthermore, a comparison of droplet on demand, grease injection and Gas Dynamic Virtual Nozzle (GDVN) injection shows no significant differences in limiting resolution. The photoconversion of the on- to the off-state includes both internal and surface exposed protein structural changes, occurring in regions that lack crystal contacts in the orthorhombic crystal form.	Sep 2017
	Structure of photosystem II and substrate binding at room temperature Iris D. Young , Mohamed Ibrahim , Ruchira Chatterjee , Sheraz Gul , Franklin D. Fuller , Sergey Koroidov , Aaron S. Brewster , Rosalie Tran , Roberto Alonso-Mori , Thomas Kroll , Tara Michels-Clark , Hartawan Laksmono , Raymond G. Sierra , Claudiu A. Stan , Rana Hussein , Miao Zhang , Lacey Douthit , Markus Kubin , Casper De Lichtenberg , Long Vo Pham , Håkan Nilsson , Mun Hon Cheah , Dmitriy Shevela , Claudio Saracini , Mackenzie A. Bean , Ina Seuffert , Dimosthenis Sokaras , Tsu-Chien Weng , Ernest Pastor , Clemens Weninger , Thomas Fransson , Louise Lassalle , Philipp Bräuer , Pierre Aller , Peter T. Docker , Babak Andi , Allen M. Orville , James M. Glownia , Silke Nelson , Marcin Sikorski , Diling Zhu , Mark S. Hunter , Thomas J. Lane , Andy Aquila , Jason E. Koglin , Joseph Robinson , Mengning Liang , Sébastien Boutet , Artem Y. Lyubimov , Monarin Uervirojnangkoorn , Nigel W. Moriarty , Dorothee Liebschner , Pavel V. Afonine , David G. Waterman , Gwyndaf Evans , Philippe Wernet , Holger Dobbek , William I. Weis , Axel T. Brunger , Petrus H. Zwart , Paul D. Adams , Athina Zouni , Johannes Messinger , Uwe Bergmann , Nicholas K. Sauter , Jan Kern , Vittal K. Yachandra , Junko Yano Nature DOI: 10.1038/nature20161 Show Abstract ▼ Abstract: Light-induced oxidation of water by photosystem II (PS II) in plants, algae and cyanobacteria has generated most of the dioxygen in the atmosphere. PS II, a membrane-bound multi-subunit pigment protein complex, couples the one-electron photochemistry at the reaction centre with the four-electron redox chemistry of water oxidation at the Mn4CaO5 cluster in the oxygen-evolving complex (OEC). Under illumination, the OEC cycles through five intermediate S-states (S0 to S4)1, in which S1 is the dark-stable state and S3 is the last semi-stable state before O–O bond formation and O2 evolution2, 3. A detailed understanding of the O–O bond formation mechanism remains a challenge, and will require elucidation of both the structures of the OEC in the different S-states and the binding of the two substrate waters to the catalytic site4, 5, 6. Here we report the use of femtosecond pulses from an X-ray free electron laser (XFEL) to obtain damage-free, room temperature structures of dark-adapted (S1), two-flash illuminated (2F; S3-enriched), and ammonia-bound two-flash illuminated (2F-NH3; S3-enriched) PS II. Although the recent 1.95 Å resolution structure of PS II at cryogenic temperature using an XFEL7 provided a damage-free view of the S1 state, measurements at room temperature are required to study the structural landscape of proteins under functional conditions8, 9, and also for in situ advancement of the S-states. To investigate the water-binding site(s), ammonia, a water analogue, has been used as a marker, as it binds to the Mn4CaO5 cluster in the S2 and S3 states10. Since the ammonia-bound OEC is active, the ammonia-binding Mn site is not a substrate water site10, 11, 12, 13. This approach, together with a comparison of the native dark and 2F states, is used to discriminate between proposed O–O bond formation mechanisms.	Nov 2016

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