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Instruments / Technical Area	Publication Details	Published
I23-Long wavelength MX	The long and short of it: Distinct natural crystal packing strategies of Cry toxins from Bacillus thuringiensis Hannah Best , Lainey J. Williamson , Adam B. Cutts , Marina Galchenkova , Oleksandr Yefanov , Nicole Bryce-Sharron , Emily A. Heath , Raphael De Wijn , Robin Schubert , Anna Munke , Alessandra Henkel , Bjarne Klopprogge , T. Emilie S. Scheer , Viviane Kremling , Salah Awel , Gisel Pena , Juraj Knoska , Anusha Keloth , Julia Maracke , Romain Letrun , Egor Sobolev , Johan Bielecki , Diogo Melo , Sravya Kantamneni , Katerina Doerner , Marco Kloos , Joachim Schulz , P. Lourdu Xavier , Marius Lauffer , Maite Villanueva , Primitivo Caballero , Helen Waller-Evans , Emyr Lloyd-Evans , Charlotte Uetrecht , Richard Bean , Henry N. Chapman , Neil Crickmore , Pierre J. Rizkallah , Colin Berry , Dominik Oberthuer Structure 6 DOI: 10.1016/j.str.2026.01.014 Diamond Proposal Number(s): [36446] Open Access Show Abstract ▼ Abstract: Bacillus thuringiensis (Bt) strains naturally produce pesticidal proteins as nanocrystalline inclusions that are extraordinarily stable in aqueous environments, but which dissolve selectively at specific pH conditions. These proteins have been used in agriculture for >50 years and are critical to global food security. The majority of previously determined Bt Cry protein structures lack the extended C-terminal “crystallization domain,” which is thought to stabilize crystal packing and control selective solubility in insect targets, often via manipulation of disulfide bridges. It has also recently been shown to influence toxicity and target specificity. Here, we use serial femtosecond crystallography (SFX) to determine high-resolution full-length native structures of Cry1Ca18 (1.65 Å) and Cry8Ba2 (2.27 Å) in their natural nanocrystalline state. Differences in cysteine content (19 versus 4 residues) reveal distinct in vivo crystal-stabilization strategies. Understanding Bt toxin domain architecture and natural crystal formation is essential for improving biopesticide design and advancing agricultural genetic engineering.	Feb 2026
	X-ray screening identifies active site and allosteric inhibitors of SARS-CoV-2 main protease Sebastian Gunther , Patrick Y. A. Reinke , Yaiza Fernández-García , Julia Lieske , Thomas J. Lane , Helen M. Ginn , Faisal H. M. Koua , Christiane Ehrt , Wiebke Ewert , Dominik Oberthuer , Oleksandr Yefanov , Susanne Meier , Kristina Lorenzen , Boris Krichel , Janine-Denise Kopicki , Luca Gelisio , Wolfgang Brehm , Ilona Dunkel , Brandon Seychell , Henry Gieseler , Brenna Norton-Baker , Beatriz Escudero-Pérez , Martin Domaracky , Sofiane Saouane , Alexandra Tolstikova , Thomas A. White , Anna Hänle , Michael Groessler , Holger Fleckenstein , Fabian Trost , Marina Galchenkova , Yaroslav Gevorkov , Chufeng Li , Salah Awel , Ariana Peck , Miriam Barthelmess , Frank Schluenzen , Paulraj Lourdu Xavier , Nadine Werner , Hina Andaleeb , Najeeb Ullah , Sven Falke , Vasundara Srinivasan , Bruno Alves França , Martin Schwinzer , Hévila Brognaro , Cromarte Rogers , Diogo Melo , Joanna J. Zaitseva-Doyle , Juraj Knoska , Gisel E. Peña-Murillo , Aida Rahmani Mashhour , Vincent Hennicke , Pontus Fischer , Johanna Hakanpää , Jan Meyer , Philip Gribbon , Bernhard Ellinger , Maria Kuzikov , Markus Wolf , Andrea R. Beccari , Gleb Bourenkov , David Von Stetten , Guillaume Pompidor , Isabel Bento , Saravanan Panneerselvam , Ivars Karpics , Thomas R. Schneider , Maria Marta Garcia-Alai , Stephan Niebling , Christian Günther , Christina Schmidt , Robin Schubert , Huijong Han , Juliane Boger , Diana C. F. Monteiro , Linlin Zhang , Xinyuanyuan Sun , Jonathan Pletzer-Zelgert , Jan Wollenhaupt , Christian G. Feiler , Manfred S. Weiss , Eike-Christian Schulz , Pedram Mehrabi , Katarina Karničar , Aleksandra Usenik , Jure Loboda , Henning Tidow , Ashwin Chari , Rolf Hilgenfeld , Charlotte Uetrecht , Russell Cox , Andrea Zaliani , Tobias Beck , Matthias Rarey , Stephan Günther , Dusan Turk , Winfried Hinrichs , Henry N. Chapman , Arwen R. Pearson , Christian Betzel , Alke Meents Science DOI: 10.1126/science.abf7945 Open Access Show Abstract ▼ Abstract: The coronavirus disease (COVID-19) caused by SARS-CoV-2 is creating tremendous human suffering. To date, no effective drug is available to directly treat the disease. In a search for a drug against COVID-19, we have performed a high-throughput X-ray crystallographic screen of two repurposing drug libraries against the SARS-CoV-2 main protease (Mpro), which is essential for viral replication. In contrast to commonly applied X-ray fragment screening experiments with molecules of low complexity, our screen tested already approved drugs and drugs in clinical trials. From the three-dimensional protein structures, we identified 37 compounds that bind to Mpro. In subsequent cell-based viral reduction assays, one peptidomimetic and six non-peptidic compounds showed antiviral activity at non-toxic concentrations. We identified two allosteric binding sites representing attractive targets for drug development against SARS-CoV-2.	Apr 2021
	Segmented flow generator for serial crystallography at the European X-ray free electron laser Austin Echelmeier , Jorvani Cruz Villarreal , Marc Messerschmidt , Daihyun Kim , Jesse D. Coe , Darren Thifault , Sabine Botha , Ana Egatz-Gomez , Sahir Gandhi , Gerrit Brehm , Chelsie E. Conrad , Debra T. Hansen , Caleb Madsen , Saša Bajt , J. Domingo Meza-Aguilar , Dominik Oberthuer , Max O. Wiedorn , Holger Fleckenstein , Derek Mendez , Juraj Knoška , Jose M. Martin-Garcia , Hao Hu , Stella Lisova , Aschkai Allahgoli , Yaroslav Gevorkov , Kartik Ayyer , Steve Aplin , Helen M. Ginn , Heinz Graafsma , Andrew J. Morgan , Dominic Greiffenberg , Alexander Klujev , Torsten Laurus , Jennifer Poehlsen , Ulrich Trunk , Davide Mezza , Bernd Schmitt , Manuela Kuhn , Raimund Fromme , Jolanta Sztuk-Dambietz , Natascha Raab , Steffen Hauf , Alessandro Silenzi , Thomas Michelat , Chen Xu , Cyril Danilevski , Andrea Parenti , Leonce Mekinda , Britta Weinhausen , Grant Mills , Patrik Vagovic , Yoonhee Kim , Henry Kirkwood , Richard Bean , Johan Bielecki , Stephan Stern , Klaus Giewekemeyer , Adam Round , Joachim Schulz , Katerina Dörner , Thomas D. Grant , Valerio Mariani , Anton Barty , Adrian P. Mancuso , Uwe Weierstall , John C. H. Spence , Henry N. Chapman , Nadia Zatsepin , Petra Fromme , Richard A. Kirian , Alexandra Ros Nature Communications 11 DOI: 10.1038/s41467-020-18156-7 Open Access Show Abstract ▼ Abstract: Serial femtosecond crystallography (SFX) with X-ray free electron lasers (XFELs) allows structure determination of membrane proteins and time-resolved crystallography. Common liquid sample delivery continuously jets the protein crystal suspension into the path of the XFEL, wasting a vast amount of sample due to the pulsed nature of all current XFEL sources. The European XFEL (EuXFEL) delivers femtosecond (fs) X-ray pulses in trains spaced 100 ms apart whereas pulses within trains are currently separated by 889 ns. Therefore, continuous sample delivery via fast jets wastes >99% of sample. Here, we introduce a microfluidic device delivering crystal laden droplets segmented with an immiscible oil reducing sample waste and demonstrate droplet injection at the EuXFEL compatible with high pressure liquid delivery of an SFX experiment. While achieving ~60% reduction in sample waste, we determine the structure of the enzyme 3-deoxy-D-manno-octulosonate-8-phosphate synthase from microcrystals delivered in droplets revealing distinct structural features not previously reported.	Sep 2020
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
NONE-No attached Diamond beamline	Lipidic cubic phase serial millisecond crystallography using synchrotron radiation Przemyslaw Nogly , Daniel James , Dingjie Wang , Thomas A. White , Nadia Zatsepin , Anastasya Shilova , Garrett Nelson , Haiguang Liu , Linda Johansson , Michael Heymann , Kathrin Jaeger , Markus Metz , Cecilia Wickstrand , Wenting Wu , Petra Båth , Peter Berntsen , Dominik Oberthuer , Valerie Panneels , Vadim Cherezov , Isabel Moraes , Henry Chapman , Gebhard Schertler , Richard Neutze , John Spence , Manfred Burghammer , Joerg Standfuss , Uwe Weierstall Iucrj 2, 168 - 176 DOI: 10.1107/S2052252514026487 PMID: 25866654 Open Access Show Abstract ▼ Abstract: Lipidic cubic phases (LCPs) have emerged as successful matrixes for the crystallization of membrane proteins. Moreover, the viscous LCP also provides a highly effective delivery medium for serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs). Here, the adaptation of this technology to perform serial millisecond crystallography (SMX) at more widely available synchrotron microfocus beamlines is described. Compared with conventional microcrystallography, LCP-SMX eliminates the need for difficult handling of individual crystals and allows for data collection at room temperature. The technology is demonstrated by solving a structure of the light-driven proton-pump bacteriorhodopsin (bR) at a resolution of 2.4 Å. The room-temperature structure of bR is very similar to previous cryogenic structures but shows small yet distinct differences in the retinal ligand and proton-transfer pathway.	Mar 2015

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