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  1. Conformational dynamics of adenylate kinase in crystals

    21 Feb 2024 | BioXFEL Publications | Contributor(s): Junhyung Kim, Sojin Moon, Tod D. Romo, Yifei Yang, Euiyoung Bae, George Phillips

    http://dx.doi.org/10.1063/4.0000205 Adenylate kinase is a ubiquitous enzyme in living systems and undergoes dramatic conformational changes during its catalytic cycle. For these reasons, it is widely studied by genetic, biochemical, and biophysical methods, both experimental and theoretical. We …

  2. The Pixel Anomaly Detection Tool: a user-friendly GUI for classifying detector frames using machine-learning approaches

    12 Feb 2024 | BioXFEL Publications | Contributor(s): Gihan Kaushylal Ketawala, Caitlin M. Reiter, Petra Fromme, Sabine Botha

    http://dx.doi.org/10.1107/s1600576724000116 Data collection at X-ray free electron lasers has particular experimental challenges, such as continuous sample delivery or the use of novel ultrafast high-dynamic-range gain-switching X-ray detectors. This can result in a multitude of data artefacts, …

  3. Sequence-dependent conformational preferences of disordered single-stranded RNA

    08 Feb 2024 | BioXFEL Publications | Contributor(s): Tong Wang, Weiwei He, Suzette A. Pabit, Serdal Kirmizialtin, Lois Pollack

    http://dx.doi.org/10.1016/j.bpj.2023.11.2762 journal-article Wang, T., He, W., Pabit, S. A., Kirmizialtin, S., & Pollack, L. (2024). Sequence-dependent conformational preferences of disordered single-stranded RNA. Biophysical Journal, 123(3), 453a–454a. …

  4. Product-stabilized filamentation by human glutamine synthetase allosterically tunes activity

    08 Feb 2024 | BioXFEL Publications | Contributor(s): Eric R. Greene, Richard Muniz, Hiroki Yamamura, Samuel Hoff, Angelika Arada, Priyanka Bajaj, Daphne Chen, John D. Lee, Massimiliano Bonomi, Justin M. Kollman, James Fraser

    http://dx.doi.org/10.1016/j.bpj.2023.11.2135 journal-article Greene, E. R., Muniz, R., Yamamura, H., Hoff, S., Arada, A., Bajaj, P., Chen, D., Lee, J. D., Bonomi, M., Kollman, J. M., & Fraser, J. (2024). Product-stabilized filamentation by human glutamine synthetase allosterically tunes activity. …

  5. Computing a Bayesian multi-state model of a protein structure from an X-ray diffraction pattern

    08 Feb 2024 | BioXFEL Publications | Contributor(s): Matthew P. Hancock, James Fraser, Andrej Sali

    http://dx.doi.org/10.1016/j.bpj.2023.11.1276 journal-article Hancock, M. P., Fraser, J. S., & Sali, A. (2024). Computing a Bayesian multi-state model of a protein structure from an X-ray diffraction pattern. Biophysical Journal, 123(3), 200a–201a. https://doi.org/10.1016/j.bpj.2023.11.1276 …

  6. Extracting conformational heterogeneity from 2D and 3D cryo-EM data

    08 Feb 2024 | BioXFEL Publications | Contributor(s): Samuel Hoff, Massimiliano Bonomi, James Fraser, Eric Greene

    http://dx.doi.org/10.1016/j.bpj.2023.11.376 journal-article Hoff, S., Bonomi, M., Fraser, J., & Greene, E. (2024). Extracting conformational heterogeneity from 2D and 3D cryo-EM data. Biophysical Journal, 123(3), 50a–51a. https://doi.org/10.1016/j.bpj.2023.11.376 Samuel Hoff and Massimiliano …

  7. Blue and red in the protein world: Photoactive yellow protein and phytochromes as revealed by time-resolved crystallography

    31 Jan 2024 | BioXFEL Publications | Contributor(s): Marius Schmidt, Emina Stojkovic

    http://dx.doi.org/10.1063/4.0000233 Time-resolved crystallography (TRX) is a method designed to investigate functional motions of biological macromolecules on all time scales. Originally a synchrotron-based method, TRX is enabled by the development of TR Laue crystallography (TRLX). TR serial …

  8. Time-resolved Crystallography on Protein Photoreceptors and Enzymes

    08 Dec 2023 | BioXFEL Publications | Contributor(s): Marius Schmidt

    http://dx.doi.org/10.1039/bk9781837670154-00203 Time-resolved macromolecular crystallography (TRX) unifies structure determination of biomolecules with chemical kinetics. Developed at synchrotron light sources, TRX has been transformed by serial femtosecond crystallography (SFX) at X-ray free …

  9. Prioritizing cardiovascular disease-associated variants altering NKX2-5 and TBX5 binding through an integrative computational approach

    03 Nov 2023 | BioXFEL Publications | Contributor(s): Edwin G. Peña-Martínez, Diego A. Pomales-Matos, Alejandro Rivera-Madera, Jean L. Messon-Bird, Joshua G. Medina-Feliciano, Leandro Sanabria-Alberto, Adriana C. Barreiro-Rosario, Jeancarlos Rivera-Del Valle, Jessica M. Rodríguez-Ríos, Jose Arcadio Rodriguez-Martinez

    http://dx.doi.org/10.1016/j.jbc.2023.105423 journal-article Peña-Martínez, E. G., Pomales-Matos, D. A., Rivera-Madera, A., Messon-Bird, J. L., Medina-Feliciano, J. G., Sanabria-Alberto, L., Barreiro-Rosario, A. C., Rivera-Del Valle, J., Rodríguez-Ríos, J. M., & Rodríguez-Martínez, J. A. …

  10. Discovery and Clinical Proof-of-Concept of RLY-2608, a First-in-Class Mutant-Selective Allosteric PI3Kα Inhibitor That Decouples Antitumor Activity from Hyperinsulinemia

    02 Nov 2023 | BioXFEL Publications | Contributor(s): Andreas Varkaris, Ermira Pazolli, Hakan Gunaydin, Qi Wang, Levi Pierce, Alessandro A. Boezio, Artemisa Bulku, Lucian DiPietro, Cary Fridrich, Adam Frost, Fabrizio Giordanetto, Erika P. Hamilton, Katherine Harris, Michael Holliday, Tamieka L. Hunter, Amanda Iskandar, Yongli Ji, Alexandre Larivée, Jonathan R. LaRochelle, André Lescarbeau, Fabien Llambi, Brenda Lormil, Mary M. Mader, Brenton G. Mar, Iain Martin, Thomas H. McLean, Klaus Michelsen, Yakov Pechersky, Erika Puente-Poushnejad, Kevin Raynor, Dipali Rogala, Ramin Samadani, Alison M. Schram, Kelley Shortsleeves, Sweta Swaminathan, Shahein Tajmir, Gege Tan, Yong Tang, Roberto Valverde, Bryan Wehrenberg, Jeremy Wilbur, Bret R. Williams, Hongtao Zeng, Hanmo Zhang, W. Patrick Walters, Beni B. Wolf, David E. Shaw, Donald A. Bergstrom, James Watters, James Fraser, Pascal D. Fortin, D. Randal Kipp

    http://dx.doi.org/10.1158/2159-8290.cd-23-0944 Abstract PIK3CA (PI3Kα) is a lipid kinase commonly mutated in cancer, including ∼40% of hormone receptor–positive breast cancer. The most frequently observed mutants occur in the kinase and …

  11. Identification of the native Torpedo californica nicotinic acetylcholine receptor's glycan composition after a multi‐step sequential purification method using MALDI‐ToF MS

    31 Oct 2023 | BioXFEL Publications | Contributor(s): Rafael Maldonado‐Hernández, Orestes Quesada, José A. González‐Feliciano, Abel Baerga‐Ortiz, José A. Lasalde‐Dominicci

    http://dx.doi.org/10.1002/pmic.202300151 AbstractThe Cys‐loop pentameric ligand‐gated ion channels comprise a dynamic group of proteins that have been extensively studied for decades, yielding a wealth of findings at both the structural and functional levels. The nicotinic acetylcholine …

  12. Structural analysis of wild-type and Val120Thr mutant Candida boidinii formate dehydrogenase by X-ray crystallography

    20 Oct 2023 | BioXFEL Publications | Contributor(s): Mehmet Gul, Busra Yuksel, Huri Bulut, Hasan Demirci

    http://dx.doi.org/10.1107/s2059798323008070 Candida boidinii NAD+-dependent formate dehydrogenase (CbFDH) has gained significant attention for its potential application in the production of biofuels and various industrial chemicals from inorganic carbon dioxide. The present study …

  13. Atomistic structure of the SARS-CoV-2 pseudoknot in solution from SAXS-driven molecular dynamics

    11 Oct 2023 | BioXFEL Publications | Contributor(s): Weiwei He, Josue San Emeterio, Michael T Woodside, Serdal Kirmizialtin, Lois Pollack

    http://dx.doi.org/10.1093/nar/gkad809 Abstract SARS-CoV-2 depends on −1 programmed ribosomal frameshifting (−1 PRF) to express proteins essential for its replication. The RNA pseudoknot stimulating −1 PRF is thus an attractive drug target. However, the structural models of this …

  14. RNA structures and dynamics with Å resolution revealed by x-ray free-electron lasers

    27 Sep 2023 | BioXFEL Publications | Contributor(s): Kara Zielinski, Shuo Sui, Suzette A. Pabit, Daniel A. Rivera, Tong Wang, Qingyue Hu, Maithri M. Kashipathy, Stella Lisova, Chris B. Schaffer, Valerio Mariani, Mark S. Hunter, Christopher Kupitz, Frank R. Moss, Frédéric P. Poitevin, Thomas D. Grant, Lois Pollack

    http://dx.doi.org/10.1126/sciadv.adj3509 RNA macromolecules, like proteins, fold to assume shapes that are intimately connected to their broadly recognized biological functions; however, because of their high charge and dynamic nature, RNA structures are far more challenging to determine. We …

  15. The mythical metal – insights on the accuracy of metal identification in structural biology

    26 Sep 2023 | BioXFEL Publications | Contributor(s): Edward Snell, Elspeth F. Garman, Geoff W. Grime, Aina E. Cohen, Sarah EJ Bowman

    http://dx.doi.org/10.1107/s2053273323097188 journal-article Snell, E. H., Garman, E. F., Grime, G. W., Cohen, A. E., & Bowman, S. E. J. (2023). The mythical metal – insights on the accuracy of metal identification in structural biology. Acta Crystallographica Section A Foundations and Advances, …

  16. A user-friendly plug-and-play cyclic olefin copolymer-based microfluidic chip for room-temperature, fixed-target serial crystallography

    25 Sep 2023 | BioXFEL Publications | Contributor(s): Zhongrui Liu, Kevin Gu, Megan Shelby, Deepshika Gilbile, Artem Y. Lyubimov, Silvia Russi, Aina E. Cohen, Sankar Raju Narayanasamy, Sabine Botha, Christopher Kupitz, Raymond G. Sierra, Fredric Poitevin, Antonio Gilardi, Stella Lisova, Matthew Coleman, Matthias Frank, Tonya L. Kuhl

    http://dx.doi.org/10.1107/s2059798323007027 Over the past two decades, serial X-ray crystallography has enabled the structure determination of a wide range of proteins. With the advent of X-ray free-electron lasers (XFELs), ever-smaller crystals have yielded high-resolution diffraction and …

  17. Mapping protein dynamics at high spatial resolution with temperature-jump X-ray crystallography

    18 Sep 2023 | BioXFEL Publications | Contributor(s): Alexander M. Wolff, Eriko Nango, Iris Diane Young, Aaron S. Brewster, Minoru Kubo, Takashi Nomura, Michihiro Sugahara, Shigeki Owada, Benjamin A. Barad, Kazutaka Ito, Asmit Bhowmick, Sergio Carbajo, Tomoya Hino, James Holton, Dohyun Im, Lee J. O’Riordan, Tomoyuki Tanaka, Rie Tanaka, Raymond G. Sierra, Fumiaki Yumoto, Kensuke Tono, So Iwata, Nicholas K. Sauter, James Fraser, Michael Thompson

    http://dx.doi.org/10.1038/s41557-023-01329-4 AbstractUnderstanding and controlling protein motion at atomic resolution is a hallmark challenge for structural biologists and protein engineers because conformational dynamics are essential for complex functions such as enzyme catalysis and allosteric …

  18. Synthesis of Novel Heterocyclic Ferrocenyl Chalcones and Their Biological Evaluation

    11 Sep 2023 | BioXFEL Publications | Contributor(s): Ámbar M. Alsina-Sánchez, Sebastián Montalvo-Vázquez, Nilmary Grafals-Ruiz, Carmen Acosta, Emily M. Ormé, Israel Rodriguez, Sara M. Delgado-Rivera, Arthur Tinoco, Suranganie Dharmawardhane, Ingrid C. Montes-González

    http://dx.doi.org/10.1021/acsomega.3c01830 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Alsina-Sánchez, Á. M., Montalvo-Vázquez, S., Grafals-Ruiz, N., Acosta, C., Ormé, E. M., Rodríguez, I., Delgado-Rivera, S. M., Tinoco, A. D., Dharmawardhane, S., & Montes-González, I. C. …

  19. Detection of a Geminate Photoproduct of Bovine Cytochrome c Oxidase by Time-Resolved Serial Femtosecond Crystallography

    11 Sep 2023 | BioXFEL Publications | Contributor(s): Izumi Ishigami, Sergio Carbajo, Nadia Zatsepin, Masahide Hikita, Chelsie E Conrad, Garrett Charles Nelson, Jesse David Coe, Shibom Basu, Thomas Grant, Matthew H. Seaberg, Raymond G. Sierra, Mark S. Hunter, Petra Fromme, Raimund Fromme, Denis L. Rousseau, Syun-Ru Yeh

    http://dx.doi.org/10.1021/jacs.3c07803 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Ishigami, I., Carbajo, S., Zatsepin, N., Hikita, M., Conrad, C. E., Nelson, G., Coe, J., Basu, S., Grant, T., Seaberg, M. H., Sierra, R. G., Hunter, M. S., Fromme, P., Fromme, R., Rousseau, D. …

  20. A type 2 immune circuit in the stomach controls mammalian adaptation to dietary chitin

    07 Sep 2023 | BioXFEL Publications | Contributor(s): Do-Hyun Kim, Yilin Wang, Haerin Jung, Rachael L. Field, Xinya Zhang, Ta-Chiang Liu, Changqing Ma, James Fraser, Jonathan R. Brestoff, Steven J. Van Dyken

    http://dx.doi.org/10.1126/science.add5649 Dietary fiber improves metabolic health, but host-encoded mechanisms for digesting fibrous polysaccharides are unclear. In this work, we describe a mammalian adaptation to dietary chitin that is coordinated by gastric innate immune activation and acidic …

  21. Heterogeneity in M. tuberculosis β-lactamase inhibition by Sulbactam

    07 Sep 2023 | BioXFEL Publications | Contributor(s): Tek Narsingh Malla, Kara Zielinski, Luis Aldama, Sasa Bajt, Denisse Feliz, Brendon Hayes, Mark S. Hunter, Christopher Kupitz, Stella Lisova, Juraj Knoska, Jose Manuel Martin-Garcia, Valerio Mariani, Suraj Pandey, Ishwor Poudyal, Raymond G. Sierra, Alexandra Tolstikova, Oleksandr Yefanov, Chung Hong Yoon, Abbas Ourmazd, Petra Fromme, Peter Schwander, Anton Barty, Henry Chapman, Emina Stojkovic, Alexander Batyuk, Sébastien Boutet, George Phillips, Lois Pollack, Marius Schmidt

    http://dx.doi.org/10.1038/s41467-023-41246-1 AbstractFor decades, researchers have elucidated essential enzymatic functions on the atomic length scale by tracing atomic positions in real-time. Our work builds on possibilities unleashed by mix-and-inject serial crystallography (MISC) at X-ray free …

  22. A single inactivating amino acid change in the SARS-CoV-2 NSP3 Mac1 domain attenuates viral replication in vivo

    31 Aug 2023 | BioXFEL Publications | Contributor(s): Taha Y. Taha, Rahul K. Suryawanshi, Irene P. Chen, Galen J. Correy, Maria McCavitt-Malvido, Patrick C. O’Leary, Manasi P. Jogalekar, Morgan E. Diolaiti, Gabriella R. Kimmerly, Chia-Lin Tsou, Ronnie Gascon, Mauricio Montano, Luis Martinez-Sobrido, Nevan J. Krogan, Alan Ashworth, James Fraser, Melanie Ott

    http://dx.doi.org/10.1371/journal.ppat.1011614 Despite unprecedented efforts, our therapeutic arsenal against SARS-CoV-2 remains limited. The conserved macrodomain 1 (Mac1) in NSP3 is an enzyme exhibiting ADP-ribosylhydrolase activity and a possible drug target. To determine the role of Mac1 …

  23. Numerical modeling reveals improved organelle separation for dielectrophoretic ratchet migration

    25 Aug 2023 | BioXFEL Publications | Contributor(s): Domin Koh, Mukul Sonker, Edgar A. Arriaga, Alexandra Ros

    http://dx.doi.org/10.1002/elps.202300091 AbstractOrganelle size varies with normal and abnormal cell function. Thus, size‐based particle separation techniques are key to assessing the properties of organelle subpopulations differing in size. Recently, insulator‐based dielectrophoresis (iDEP) …

  24. Practical considerations for the analysis of time-resolved x-ray data

    16 Aug 2023 | BioXFEL Publications | Contributor(s): Marius Schmidt

    http://dx.doi.org/10.1063/4.0000196 The field of time-resolved macromolecular crystallography has been expanding rapidly after free electron lasers for hard x rays (XFELs) became available. Techniques to collect and process data from XFELs spread to synchrotron light sources. Although time-scales …

  25. Crystal Structure of 4-Hydroxybutyryl-CoA Synthetase (ADP-forming): A Key Enzyme in the Thaumarchaeal Hydroxypropionate/Hydroxybutyrate cycle

    31 Jul 2023 | BioXFEL Publications | Contributor(s): Hasan Demirci, J Johnson, Bradley Tolar, Bilge Tosun, Yasuo Yoshikuni, Christopher Francis, Soichi Wakatsuki

    http://dx.doi.org/10.21203/rs.3.rs-3173078/v1 Abstract The 3-hydroxypropionate/4-hydroxybutyrate (3HP/4HB) cycle from ammonia-oxidizing Thaumarchaeota is currently considered the most energy-efficient aerobic carbon fixation pathway. The Nitrosopumilus maritimus 4-hydroxybutyryl-CoA …

  26. Refinement of multiconformer ensemble models from multi-temperature X-ray diffraction data

    27 Jul 2023 | BioXFEL Publications | Contributor(s): Siyuan Du, Stephanie A. Wankowicz, Filip Yabukarski, Tzanko Doukov, Daniel Herschlag, James Fraser

    http://dx.doi.org/10.1016/bs.mie.2023.06.009 book-chapter Du, S., Wankowicz, S. A., Yabukarski, F., Doukov, T., Herschlag, D., & Fraser, J. S. (2023). Refinement of multiconformer ensemble models from multi-temperature X-ray diffraction data. Methods in Enzymology. …

  27. A deep learning solution for crystallographic structure determination

    25 May 2023 | BioXFEL Publications | Contributor(s): Tom Pan, Shikai Jin, Mitchell Miller, Anastasios Kyrillidis, George Phillips

    http://dx.doi.org/10.1107/s2052252523004293 The general de novo solution of the crystallographic phase problem is difficult and only possible under certain conditions. This paper develops an initial pathway to a deep learning neural network approach for the phase problem in protein crystallography, …

  28. Rapid and efficient ambient temperature X-ray crystal structure determination at Turkish Light Source

    19 May 2023 | BioXFEL Publications | Contributor(s): Mehmet Gul, Esra Ayan, Ebru Destan, J. Austin Johnson, Alaleh Shafiei, Abdullah Kepceoğlu, Merve Yilmaz, Fatma Betül Ertem, İlkin Yapici, Bilge Tosun, Nilüfer Baldir, Nurettin Tokay, Zeliş Nergiz, Gözde Karakadioğlu, Seyide Seda Paydos, Cahine Kulakman, Cengiz Kaan Ferah, Ömür Güven, Necati Atalay, Enver Kamil Akcan, Haluk Cetinok, Nazlı Eylül Arslan, Kardelen Şabanoğlu, Bengisu Aşci, Serra Tavli, Helin Gümüsboğa, Sevde Altuntaş, Masami Otsuka, Mikako Fujita, Şaban Teki̇n, Halilibrahim Çi̇ftçi̇, Serdar Durdaği, Ezgi Karaca, Burcu Kaplan Türköz, Burak Veli Kabasakal, Ahmet Kati, Hasan DeMi̇rci̇

    http://dx.doi.org/10.1038/s41598-023-33989-0 AbstractHigh-resolution biomacromolecular structure determination is essential to better understand protein function and dynamics. Serial crystallography is an emerging structural biology technique which has fundamental limitations due to either sample …

  29. Chaotic advection mixer for capturing transient states of diverse biological macromolecular systems with time-resolved small-angle X-ray scattering

    02 May 2023 | BioXFEL Publications | Contributor(s): Kara Zielinski, Andrea Katz, George Douglas Calvey, Suzette A. Pabit, Shawn K. Milano, Cody Aplin, Josue San Emeterio, Richard A. Cerione, Lois Pollack

    http://dx.doi.org/10.1107/s2052252523003482 Advances in time-resolved structural techniques, mainly in macromolecular crystallography and small-angle X-ray scattering (SAXS), allow for a detailed view of the dynamics of biological macromolecules and reactions between binding partners. Of particular …

  30. Copper Based Antibacterial Compounds: Potential Targeting Pathways and Current Drug Design Trends.

    28 Apr 2023 | BioXFEL Publications | Contributor(s): Aixa M. Orta-Rivera, Yazmary Meléndez-Contés, Nataniel Rivera-Berríos, Adriana M. Gómez-Cardona, Andrés Ramos-Rodríguez, Claudia Cruz-Santiago, Christian González-Dumeng, Janangelis López, Jansteven Escribano, Jared J. Rivera-Otero, Josean Díaz-Rivera, Sebastián C. Díaz-Vélez, Zulemaría Feliciano-Delgado, Arthur Tinoco

    http://dx.doi.org/10.20944/preprints202304.1124.v1 Classical antibacterial drugs were designed to target specific bacterial properties distinct from host human cells to maximize potency and selectivity. These designs were quite effective as they could be easily derivatized to bear next generation …

  31. Inter-Bragg crystallographic phase retrieval from shape transforms, stacking faults and substitutional disorder

    31 Mar 2023 | BioXFEL Publications | Contributor(s): J.P.J. Chen, K. Pande, J.J. Donatelli, A.V. Martin, K. Ayyer, H.N. Chapman, R. Bean, K.E. Schmidt, R.A. Kirian

    http://dx.doi.org/10.1016/j.ultramic.2023.113728 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Chen, J. P. J., Pande, K., Donatelli, J. J., Martin, A. V., Ayyer, K., Chapman, H. N., Bean, R., Schmidt, K. E., & Kirian, R. A. (2023). Inter-Bragg crystallographic phase retrieval …

  32. Randomness in time-resolved serial crystallography data: alternatives to the binning and averaging approach

    17 Mar 2023 | BioXFEL Publications | Contributor(s): C. Casadei, A. Hosseinizadeh, G. Schertler, A. Ourmazd, R. Santra

    http://dx.doi.org/10.1107/s2053273322095742 journal-article Casadei, C., Hosseinizadeh, A., Schertler, G., Ourmazd, A., & Santra, R. (2022). Randomness in time-resolved serial crystallography data: alternatives to the binning and averaging approach. Acta Crystallographica Section A Foundations …

  33. Polymer-based microfluidic device for on-chip counter-diffusive crystallization and in situ X-ray crystallography at room temperature

    13 Mar 2023 | BioXFEL Publications | Contributor(s): Sarthak Saha, Can Özden, Alfred Samkutty, Silvia Russi, Aina Cohen, Margaret M. Stratton, Sarah Perry

    http://dx.doi.org/10.1039/d2lc01194h Here we have reported novel polymeric devices to control fluid flow using surface forces and capillary action to facilitate counter-diffusive, on-chip protein crystallization. journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Saha, S., Özden, C., …

  34. Robust total X-ray scattering workflow to study correlated motion of proteins in crystals

    03 Mar 2023 | BioXFEL Publications | Contributor(s): Steve P. Meisburger, David Case, Nozomi Ando

    http://dx.doi.org/10.1038/s41467-023-36734-3 AbstractThe breathing motions of proteins are thought to play a critical role in function. However, current techniques to study key collective motions are limited to spectroscopy and computation. We present a high-resolution experimental approach based …

  35. 20 years of crystal hits: progress and promise in ultrahigh-throughput crystallization screening

    27 Feb 2023 | BioXFEL Publications | Contributor(s): Miranda Lynch, M. Elizabeth Snell, Stephen A. Potter, Edward Snell, Sarah EJ Bowman

    http://dx.doi.org/10.1107/s2059798323001274 Diffraction-based structural methods contribute a large fraction of the biomolecular structural models available, providing a critical understanding of macromolecular architecture. These methods require crystallization of the target molecule, which …

  36. DIMPLE: deep insertion, deletion, and missense mutation libraries for exploring protein variation in evolution, disease, and biology

    24 Feb 2023 | BioXFEL Publications | Contributor(s): Christian B. Macdonald, David Nedrud, Patrick Rockefeller Grimes, Donovan Trinidad, James Fraser, Willow Coyote-Maestas

    http://dx.doi.org/10.1186/s13059-023-02880-6 AbstractInsertions and deletions (indels) enable evolution and cause disease. Due to technical challenges, indels are left out of most mutational scans, limiting our understanding of them in disease, biology, and evolution. We develop a low cost and bias …

  37. Biological function investigated by time-resolved structure determination

    21 Feb 2023 | BioXFEL Publications | Contributor(s): Marius Schmidt

    http://dx.doi.org/10.1063/4.0000177 Inspired by recent progress in time-resolved x-ray crystallography and the adoption of time-resolution by cryo-electronmicroscopy, this article enumerates several approaches developed to become bigger/smaller, faster, and better to gain new insight into the …

  38. Data assimilation in operator algebras

    17 Feb 2023 | BioXFEL Publications | Contributor(s): David Freeman, Dimitrios Giannakis, Brian Mintz, Abbas Ourmazd, Joanna Slawinska

    http://dx.doi.org/10.1073/pnas.2211115120 We develop an algebraic framework for sequential data assimilation of partially observed dynamical systems. In this framework, Bayesian data assimilation is embedded in a nonabelian operator algebra, which provides a representation of observables by …

  39. Reaction coordinate dependent fibrillar formation of human glutamine synthetase tunes activity

    10 Feb 2023 | BioXFEL Publications | Contributor(s): Eric R. Greene, Richard Muniz, Angelika Arada, D. John Lee, Daphne Chen, Erin Thompson, Hiroki Yamamura, Justin M. Kollman, James Fraser

    http://dx.doi.org/10.1016/j.bpj.2022.11.2541 journal-article Greene, E. R., Muniz, R., Arada, A., Lee, D. J., Chen, D., Thompson, E., Yamamura, H., Kollman, J. M., & Fraser, J. (2023). Reaction coordinate dependent fibrillar formation of human glutamine synthetase tunes activity. Biophysical …

  40. X-ray scattering exhibits time-resolved view of rhodopsin activation

    10 Feb 2023 | BioXFEL Publications | Contributor(s): C. Swathi K. Menon, Konstantinos Karpos, Thomas D. Grant, Andrey V. Struts, Steven D.E. Fried, Suchithranga M.D.C. Perera, Irina V. Kosheleva, Leslie Salas-Estrada, Alan Grossfield, Petra Fromme, Richard Kirian, Michael F. Brown

    http://dx.doi.org/10.1016/j.bpj.2022.11.1170 journal-article Menon, C. S. K., Karpos, K., Grant, T. D., Struts, A. V., Fried, S. D. E., Perera, S. M. D. C., Kosheleva, I. V., Salas-Estrada, L., Grossfield, A., Fromme, P., Kirian, R. A., & Brown, M. F. (2023). X-ray scattering exhibits …

  41. Large language models generate functional protein sequences across diverse families

    26 Jan 2023 | BioXFEL Publications | Contributor(s): Ali Madani, Ben Krause, Eric R. Greene, Subu Subramanian, Benjamin P. Mohr, James Holton, Jose Luis Olmos, Caiming Xiong, Zachary Z. Sun, Richard Socher, James Fraser, Nikhil Naik

    http://dx.doi.org/10.1038/s41587-022-01618-2 journal-article Madani, A., Krause, B., Greene, E. R., Subramanian, S., Mohr, B. P., Holton, J. M., Olmos, J. L., Xiong, C., Sun, Z. Z., Socher, R., Fraser, J. S., & Naik, N. (2023). Large language models generate functional protein sequences across …

  42. Energy landscapes from cryo-EM snapshots: a benchmarking study

    25 Jan 2023 | BioXFEL Publications | Contributor(s): Raison Dsouza, Ghoncheh Mashayekhi, Roshanak Etemadpour, Peter Schwander, Abbas Ourmazd

    http://dx.doi.org/10.1038/s41598-023-28401-w AbstractBiomolecules undergo continuous conformational motions, a subset of which are functionally relevant. Understanding, and ultimately controlling biomolecular function are predicated on the ability to map continuous conformational motions, and …

  43. Poster Template PPT

    19 Jan 2023 | Downloads | Contributor(s): Nicole Terranova

  44. Room-temperature structural studies of SARS-CoV-2 protein NendoU with an X-ray free-electron laser

    10 Jan 2023 | BioXFEL Publications | Contributor(s): Rebecca Jeanne Jernigan, Dhenugen Logeswaran, Diandra Doppler, Nirupa Nagaratnam, Mukul Sonker, Jay-How Yang, Gihan Kaushylal Ketawala, Jose M. Martin-Garcia, Megan Shelby, Thomas D. Grant, Valerio Mariani, Alexandra Tolstikova, Michelle Z. Sheikh, Mimi Cho Yung, Matthew Coleman, Sahba Zaare, Emily K. Kaschner, Mohammad Towshif Rabbani, Reza Nazari, Michele A. Zacks, Brandon Hayes, Raymond G. Sierra, Mark S. Hunter, Stella Lisova, Alexander Batyuk, Christopher Kupitz, Sebastien Boutet, Debra T. Hansen, Richard Kirian, Marius Schmidt, Raimund Fromme, Matthias Frank, Alexandra Ros, Julian J.-L. Chen, Sabine Botha, Petra Fromme

    http://dx.doi.org/10.1016/j.str.2022.12.009 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Jernigan, R. J., Logeswaran, D., Doppler, D., Nagaratnam, N., Sonker, M., Yang, J.-H., Ketawala, G., Martin-Garcia, J. M., Shelby, M. L., Grant, T. D., Mariani, V., Tolstikova, A., Sheikh, …

  45. Iterative computational design and crystallographic screening identifies potent inhibitors targeting the Nsp3 macrodomain of SARS-CoV-2

    04 Jan 2023 | BioXFEL Publications | Contributor(s): Stefan Gahbauer, Galen J. Correy, Marion Schuller, Matteo P. Ferla, Yagmur Umay Doruk, Moira Rachman, Taiasean Wu, Morgan Diolaiti, Siyi Wang, R. Jeffrey Neitz, Daren Fearon, Dmytro S. Radchenko, Yurii S. Moroz, John J. Irwin, Adam R. Renslo, Jenny C. Taylor, Jason E. Gestwicki, Frank Von Delft, Alan Ashworth, Ivan Ahel, Brian K. Shoichet, James Fraser

    http://dx.doi.org/10.1073/pnas.2212931120 The nonstructural protein 3 (NSP3) of the severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) contains a conserved macrodomain enzyme (Mac1) that is critical for pathogenesis and lethality. While small-molecule inhibitors of Mac1 have great …

  46. The crystal structure of Vibrio cholerae (6-4) photolyase reveals interactions with cofactors and a DNA-binding region

    14 Dec 2022 | BioXFEL Publications | Contributor(s): Baris Cakilkaya, Ibrahim Halil Kavakli, Hasan Demirci

    http://dx.doi.org/10.1016/j.jbc.2022.102794 journal-article Cakilkaya, B., Kavakli, I. H., & DeMirci, H. (2023). The crystal structure of Vibrio cholerae (6-4) photolyase reveals interactions with cofactors and a DNA-binding region. Journal of Biological Chemistry, 299(1), 102794. …

  47. Regulation of light energy conversion between linear and cyclic electron flow within photosystem II controlled by the plastoquinone/quinol redox poise

    27 Nov 2022 | BioXFEL Publications | Contributor(s): Colin Gates, Gennady Ananyev, Shatabdi Roy-Chowdhury, Petra Fromme, G. Charles Dismukes

    http://dx.doi.org/10.1007/s11120-022-00985-w journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Gates, C., Ananyev, G., Roy-Chowdhury, S., Fromme, P., & Dismukes, G. C. (2022). Regulation of light energy conversion between linear and cyclic electron flow within photosystem II …

  48. Protein motions visualized by femtosecond time-resolved crystallography: The case of photosensory vs photosynthetic proteins

    14 Oct 2022 | BioXFEL Publications | Contributor(s): Sebastian Westenhoff, Petra Meszaros, Marius Schmidt

    http://dx.doi.org/10.1016/j.sbi.2022.102481 journal-article Westenhoff, S., Meszaros, P., & Schmidt, M. (2022). Protein motions visualized by femtosecond time-resolved crystallography: The case of photosensory vs photosynthetic proteins. Current Opinion in Structural Biology, 77, 102481. …

  49. Identification of New L-Heptanoylphosphatidyl Inositol Pentakisphosphate Derivatives Targeting the Interaction with HIV-1 Gag by Molecular Modelling Studies

    12 Oct 2022 | BioXFEL Publications | Contributor(s): Halilibrahim Ciftci, Belgin Sever, Esra Ayan, Mustafa Can, Hasan Demirci, Masami Otsuka, Amaç Fatih TuYuN, Hiroshi Tateishi, Mikako Fujita

    http://dx.doi.org/10.3390/ph15101255 The HIV-1 Gag protein binds to the host cell membrane and assembles into immature particles. Then, in the course of immature virion budding, activated protease cleaves Gag into its main components: MA, CA, NC, and p6 proteins. The highly basic residues of MA …

  50. A language model beats alphafold2 on orphans

    03 Oct 2022 | BioXFEL Publications | Contributor(s): Jennifer M. Michaud, Ali Madani, James Fraser

    http://dx.doi.org/10.1038/s41587-022-01466-0 journal-article Michaud, J. M., Madani, A., & Fraser, J. S. (2022). A language model beats alphafold2 on orphans. Nature Biotechnology, 40(11), 1576–1577. https://doi.org/10.1038/s41587-022-01466-0 Jennifer M. Michaud and Ali Madani and James S. …

  51. Electrically stimulated droplet injector for reduced sample consumption in serial crystallography

    29 Sep 2022 | BioXFEL Publications | Contributor(s): Mukul Sonker, Diandra Doppler, Ana Egatz-Gomez, Sahba Zaare, Mohammad T. Rabbani, Abhik Manna, Jorvani Cruz Villarreal, Garrett Charles Nelson, Gihan Kaushylal Ketawala, Konstantinos Karpos, Roberto C. Alvarez, Reza Nazari, Darren Gary Thifault, Rebecca Jeanne Jernigan, Dominik Oberthür, Huijong Han, Raymond Sierra, Mark S. Hunter, Alexander Batyuk, Christopher Kupitz, Robert E. Sublett, Frederic Poitevin, Stella Lisova, Valerio Mariani, Alexandra Tolstikova, Sebastien Boutet, Marc Messerschmidt, J. Domingo Meza-Aguilar, Raimund Fromme, Jose M. Martin-Garcia, Sabine Botha, Petra Fromme, Thomas D. Grant, Richard Kirian, Alexandra Ros

    http://dx.doi.org/10.1016/j.bpr.2022.100081 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Sonker, M., Doppler, D., Egatz-Gomez, A., Zaare, S., Rabbani, M. T., Manna, A., Cruz Villarreal, J., Nelson, G., Ketawala, G. K., Karpos, K., Alvarez, R. C., Nazari, R., Thifault, D., …

  52. Expanding the eukaryotic genetic code with a biosynthesized 21st amino acid

    28 Sep 2022 | BioXFEL Publications | Contributor(s): Kuan‐Lin Wu, Joshua A. Moore, Mitchell Miller, Yuda Chen, Catherine Lee, Weijun Xu, Zane Peng, Qinghui Duan, George Phillips, Rosa A. Uribe, Han Xiao

    http://dx.doi.org/10.1002/pro.4443 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Wu, K., Moore, J. A., Miller, M. D., Chen, Y., Lee, C., Xu, W., Peng, Z., Duan, Q., Phillips, G. N., Uribe, R. A., & Xiao, H. (2022). Expanding the eukaryotic genetic code with a biosynthesized 21st …

  53. Contrast variation SAXS: Sample preparation protocols, experimental procedures, and data analysis

    22 Sep 2022 | BioXFEL Publications | Contributor(s): Josue San Emeterio, Suzette A. Pabit, Lois Pollack

    http://dx.doi.org/10.1016/bs.mie.2022.08.007 book-chapter San Emeterio, J., Pabit, S. A., & Pollack, L. (2022). Contrast variation SAXS: Sample preparation protocols, experimental procedures, and data analysis. Methods in Enzymology, 41–83. https://doi.org/10.1016/bs.mie.2022.08.007 Josue San …

  54. Determining the structural ensembles of disordered RNA and proteins using an integrated approach

    15 Sep 2022 | BioXFEL Publications | Contributor(s): Tong Wang, Suzette Pabit, Anja Henning-Knechtel, Weiwei He, Serdal Kirmizaltin, Lois Pollack

    http://dx.doi.org/10.1107/s205327332209831x journal-article Wang, T., Pabit, S., Henning-Knechtel, A., He, W., Kirmizaltin, S., & Pollack, L. (2022). Determining the structural ensembles of disordered RNA and proteins using an integrated approach. Acta Crystallographica Section A Foundations and …

  55. Chaotic advection mixer for capturing transient states of diverse biological macromolecular systems with time-resolved small-angle X-ray scattering

    15 Sep 2022 | BioXFEL Publications | Contributor(s): Kara Zielinski, Andrea Katz, George Douglas Calvey, Suzette Pabit, Josue San Emeterio, Lois Pollack

    http://dx.doi.org/10.1107/s2053273322099715 journal-article Zielinski, K., Katz, A., Calvey, G., Pabit, S., San Emeterio, J., & Pollack, L. (2022). Chaotic advection mixer for capturing transient states of diverse biological macromolecular systems with time-resolved small-angle X-ray scattering. …

  56. Evolving Experimental Techniques for Structure-Based Drug Design

    27 Aug 2022 | BioXFEL Publications | Contributor(s): Cody Aplin, Shawn K. Milano, Kara Zielinski, Lois Pollack, Richard A. Cerione

    http://dx.doi.org/10.1021/acs.jpcb.2c04344 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Aplin, C., Milano, S. K., Zielinski, K. A., Pollack, L., & Cerione, R. A. (2022). Evolving Experimental Techniques for Structure-Based Drug Design. The Journal of Physical Chemistry B. …

  57. GPCR Agonist-to-Antagonist Conversion: Enabling the Design of Nucleoside Functional Switches for the A2A Adenosine Receptor

    17 Aug 2022 | BioXFEL Publications | Contributor(s): Anna Shiriaeva, Daejin Park, Gyudong Kim, Yoonji Lee, Xiyan Hou, Dnyandev B. Jarhad, Gibae Kim, Jinha Yu, Young Eum Hyun, Woomi Kim, Zhan-Guo Gao, Kenneth A. Jacobson, Gye Won Han, Raymond C. Stevens, Lak Shin Jeong, Sun Choi, Vadim Cherezov

    http://dx.doi.org/10.1021/acs.jmedchem.2c00462 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Shiriaeva, A., Park, D., Kim, G., Lee, Y., Hou, X., Jarhad, D. B., Kim, G., Yu, J., Hyun, Y. E., Kim, W., Gao, Z.-G., Jacobson, K. A., Han, G. W., Stevens, R. C., Jeong, L. S., Choi, S., …

  58. Dynamics retrieval from stochastically weighted incomplete data by low-pass spectral analysis

    16 Aug 2022 | BioXFEL Publications | Contributor(s): Cecilia M. Casadei, Ahmad Hosseinizadeh, Gebhard F.X. Schertler, Abbas Ourmazd, Robin Santra

    http://dx.doi.org/10.1063/4.0000156 Time-resolved serial femtosecond crystallography (TR-SFX) provides access to protein dynamics on sub-picosecond timescales, and with atomic resolution. Due to the nature of the experiment, these datasets are often highly incomplete and the measured diffracted …

  59. Structural basis for receptor selectivity and inverse agonism in S1P5 receptors

    12 Aug 2022 | BioXFEL Publications | Contributor(s): Elizaveta Lyapina, Egor Marin, Anastasiia Gusach, Philipp Orekhov, Andrey Gerasimov, Aleksandra Luginina, Daniil Vakhrameev, Margarita Ergasheva, Margarita Kovaleva, Georgii Khusainov, Polina Khorn, Mikhail Shevtsov, Kirill Kovalev, Sergey Bukhdruker, Ivan Okhrimenko, Petr Popov, Hao Hu, Uwe Weierstall, Wei Liu, Yunje Cho, Ivan Gushchin, Andrey Rogachev, Gleb Bourenkov, Sehan Park, Gisu Park, Hyo Jung Hyun, Jaehyun Park, Valentin Gordeliy, Valentin Borshchevskiy, Alexey Mishin, Vadim Cherezov

    http://dx.doi.org/10.1038/s41467-022-32447-1 AbstractThe bioactive lysophospholipid sphingosine-1-phosphate (S1P) acts via five different subtypes of S1P receptors (S1PRs) - S1P1-5. S1P5 is predominantly expressed in nervous and immune systems, regulating the egress of natural killer cells from …

  60. Megahertz pulse trains enable multi-hit serial femtosecond crystallography experiments at X-ray free electron lasers

    11 Aug 2022 | BioXFEL Publications | Contributor(s): Susannah Holmes, Henry J. Kirkwood, Richard Bean, Klaus Giewekemeyer, Andrew V. Martin, Marjan Hadian-Jazi, Max Oliver Wiedorn, Dominik Oberthür, Hugh Marman, Luigi Adriano, Nasser Al-Qudami, Saša Bajt, Imrich Barák, Sadia Bari, Johan Bielecki, Sandor Brockhauser, Mathew A. Coleman, Francisco Cruz-Mazo, Cyril Danilevski, Katerina Dörner, Alfonso M. Gañán-Calvo, Rita Graceffa, Hans Fanghor, Michael Heymann, Matthias Frank, Alexander Kaukher, Yoonhee Kim, Bostjan Kobe, Juraj Knoška, Torsten Laurus, Romain Letrun, Luis Maia, Marc Messerschmidt, Markus Metz, Thomas Michelat, Grant Mills, Serguei Molodtsov, Diana Monteiro, Andrew J. Morgan, Astrid Münnich, Gisel E. Peña Murillo, Gianpietro Previtali, Adam Round, Tokushi Sato, Robin Schubert, Joachim Schulz, Megan Shelby, Carolin Seuring, Jonas A. Sellberg, Marcin Sikorski, Alessandro Silenzi, Stephan Stern, Jola Sztuk-Dambietz, Janusz Szuba, Martin Trebbin, Patrick Vagovic, Thomas Ve, Britta Weinhausen, Krzysztof Wrona, Paul Lourdu Xavier, Chen Xu, Oleksandr Yefanov, Keith A. Nugent, Henry Chapman, Adrian P. Mancuso, Anton Barty, Brian Abbey, Connie Darmanin

    http://dx.doi.org/10.1038/s41467-022-32434-6 AbstractThe European X-ray Free Electron Laser (XFEL) and Linac Coherent Light Source (LCLS) II are extremely intense sources of X-rays capable of generating Serial Femtosecond Crystallography (SFX) data at megahertz (MHz) repetition rates. Previous work …

  61. Structural and biophysical properties of FopA, a major outer membrane protein of Francisella tularensis

    01 Aug 2022 | BioXFEL Publications | Contributor(s): Nirupa Nagaratnam, Jose M. Martin-Garcia, Jay-How Yang, Matthew R. Goode, Gihan Kaushylal Ketawala, Felicia M. Craciunescu, James D Zook, Manashi Sonowal, Dewight Williams, Thomas D. Grant, Raimund Fromme, Debra T. Hansen, Petra Fromme

    http://dx.doi.org/10.1371/journal.pone.0267370 Francisella tularensis is an extremely infectious pathogen and a category A bioterrorism agent. It causes the highly contagious zoonosis, Tularemia. Currently, FDA approved vaccines against tularemia are unavailable. F. tularensis outer membrane …

  62. Structure Determination from Multiple-Scattering Electron Crystallography

    22 Jul 2022 | BioXFEL Publications | Contributor(s): Jeffrey Donatelli, John Spence

    http://dx.doi.org/10.1017/s1431927622010418 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Donatelli, J., & Spence, J. (2022). Structure Determination from Multiple-Scattering Electron Crystallography. Microscopy and Microanalysis, 28(S1), 2766–2767. …

  63. Pump–probe capabilities at the SPB/SFX instrument of the European XFEL

    21 Jul 2022 | BioXFEL Publications | Contributor(s): Jayanath C. P. Koliyadu, Romain Letrun, Henry J. Kirkwood, Jia Liu, Man Jiang, Moritz Emons, Richard Bean, Valerio Bellucci, Johan Bielecki, Sarlota Birnsteinova, Raphael De Wijn, Thomas Dietze, Juncheng E, Jan Grünert, Daniel Kane, Chan Kim, Yoonhee Kim, Max Lederer, Bradley Manning, Grant Mills, Luis L. Morillo, Nadja Reimers, Dimitrios Rompotis, Adam Round, Marcin Sikorski, Cedric M. S. Takem, Patrik Vagovič, Sandhya Venkatesan, Jinxiong Wang, Ulrike Wegner, Adrian P. Mancuso, Tokushi Sato

    http://dx.doi.org/10.1107/s1600577522006701 Pump–probe experiments at X-ray free-electron laser (XFEL) facilities are a powerful tool for studying dynamics at ultrafast and longer timescales. Observing the dynamics in diverse scientific cases requires optical laser systems with a wide range of …

  64. Insights into the structural stability of major groove RNA triplexes by WAXS-guided MD simulations

    11 Jul 2022 | BioXFEL Publications | Contributor(s): Yen-Lin Chen, Weiwei He, Serdal Kirmizialtin, Lois Pollack

    http://dx.doi.org/10.1016/j.xcrp.2022.100971 journal-article Chen, Y.-L., He, W., Kirmizialtin, S., & Pollack, L. (2022). Insights into the structural stability of major groove RNA triplexes by WAXS-guided MD simulations. Cell Reports Physical Science, 3(7), 100971. …

  65. A Brief Atlas of Insulin

    13 Jun 2022 | BioXFEL Publications | Contributor(s): Hasan Demirci, Esra Ayan

    http://dx.doi.org/10.2174/1573399819666220610150342 Abstract: Insulin is an essential factor for mammalian organisms: a regulator of glucose metabolism and other key signaling pathways. Insulin is also a multifunctional hormone whose absence can cause many diseases. Recombinant insulin is widely …

  66. The mechanisms of catalysis and ligand binding for the SARS-CoV-2 NSP3 macrodomain from neutron and x-ray diffraction at room temperature

    27 May 2022 | BioXFEL Publications | Contributor(s): Galen J. Correy, Daniel W. Kneller, Gwyndalyn Phillips, Swati Pant, Silvia Russi, Aina E. Cohen, George Meigs, James Holton, Stefan Gahbauer, Michael Thompson, Alan Ashworth, Leighton Coates, Andrey Kovalevsky, Flora Meilleur, James Fraser

    http://dx.doi.org/10.1126/sciadv.abo5083 The nonstructural protein 3 (NSP3) macrodomain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (Mac1) removes adenosine diphosphate (ADP) ribosylation posttranslational modifications, playing a key role in the immune evasion capabilities of …

  67. The Gamification of XFEL Education Using XFEL Crystal Blaster

    06 May 2022 | BioXFEL Publications | Contributor(s): Fiacre Kabayiza, Sarah Woodruff, William J. Bauer

    http://dx.doi.org/10.3390/cryst12050671 Novel groundbreaking techniques, such as serial femtosecond crystallography (SFX), which utilizes X-ray free-electron lasers (XFELs), have led to impressive advances in the field of structural biology. However, educating the next generation of scientists on …

  68. Embedding classical dynamics in a quantum computer

    03 May 2022 | BioXFEL Publications | Contributor(s): Dimitrios Giannakis, Abbas Ourmazd, Philipp Pfeffer, Jörg Schumacher, Joanna Slawinska

    http://dx.doi.org/10.1103/physreva.105.052404 journal-article Giannakis, D., Ourmazd, A., Pfeffer, P., Schumacher, J., & Slawinska, J. (2022). Embedding classical dynamics in a quantum computer. Physical Review A, 105(5). https://doi.org/10.1103/physreva.105.052404 Dimitrios Giannakis and Abbas …

  69. From Alignment Laser to 3D Structures: Determining Structures of GPCRs in a Compact X‐ray Light Source

    03 May 2022 | BioXFEL Publications | Contributor(s): Gabriela Diaz‐Figueroa, Marc Messerschimdt, Jong Woo‐Kim, Tien Olson

    http://dx.doi.org/10.1096/fasebj.2022.36.s1.r3457 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Diaz‐Figueroa, G., Messerschimdt, M., Woo‐Kim, J., & Olson, T. (2022). From Alignment Laser to 3D Structures: Determining Structures of GPCRs in a Compact X‐ray Light Source. The …

  70. Correlated motions in enzymes

    03 May 2022 | BioXFEL Publications | Contributor(s): Nozomi Ando, Steve P. Meisburger, David Case

    http://dx.doi.org/10.1096/fasebj.2022.36.s1.0i154 Correlated motions in proteins arising from the collective movements of residues have long been proposed to be fundamentally important to key properties of proteins, from catalysis and allostery to evolvability. Recent breakthroughs in structural …

  71. Intersubunit Coupling Enables Fast CO2-Fixation by Reductive Carboxylases

    25 Apr 2022 | BioXFEL Publications | Contributor(s): Hasan Demirci, Yashas Rao, Gabriele M. Stoffel, Bastian Vögeli, Kristina Schell, Aharon Gomez, Alexander Batyuk, Cornelius Gati, Raymond G. Sierra, Mark S. Hunter, E. Han Dao, Halil I. Ciftci, Brandon Hayes, Fredric Poitevin, Po-Nan Li, Manat Kaur, Kensuke Tono, David Adrian Saez, Samuel Deutsch, Yasuo Yoshikuni, Helmut Grubmüller, Tobias J. Erb, Esteban Vöhringer-Martinez, Soichi Wakatsuki

    http://dx.doi.org/10.1021/acscentsci.2c00057 journal-article DeMirci, H., Rao, Y., Stoffel, G. M., Vögeli, B., Schell, K., Gomez, A., Batyuk, A., Gati, C., Sierra, R. G., Hunter, M. S., Dao, E. H., Ciftci, H. I., Hayes, B., Poitevin, F., Li, P.-N., Kaur, M., Tono, K., Saez, D. A., Deutsch, S., …

  72. Transient state measurements on proteins by time-resolved crystallography

    22 Apr 2022 | BioXFEL Publications | Contributor(s): Tek Narsingh Malla, Marius Schmidt

    http://dx.doi.org/10.1016/j.sbi.2022.102376 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Malla, T. N., & Schmidt, M. (2022). Transient state measurements on proteins by time-resolved crystallography. Current Opinion in Structural Biology, 74, 102376. …

  73. Optical Funnel to Guide and Focus Virus Particles for X-Ray Diffractive Imaging

    22 Apr 2022 | BioXFEL Publications | Contributor(s): Salah Awel, Sebastian Lavin-Varela, Nils Roth, Daniel A. Horke, Andrei V. Rode, Richard Kirian, Jochen Küpper, Henry Chapman

    http://dx.doi.org/10.1103/physrevapplied.17.044044 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Awel, S., Lavin-Varela, S., Roth, N., Horke, D. A., Rode, A. V., Kirian, R. A., Küpper, J., & Chapman, H. N. (2022). Optical Funnel to Guide and Focus Virus Particles for X-Ray …

  74. MIMAS: microfluidic platform in tandem with MALDI mass spectrometry for protein quantification from small cell ensembles

    06 Apr 2022 | BioXFEL Publications | Contributor(s): Jorvani Cruz Villarreal, Rory Kruithoff, Ana Egatz-Gomez, Paul D. Coleman, Robert Ros, Todd R. Sandrin, Alexandra Ros

    http://dx.doi.org/10.1007/s00216-022-04038-y journal-article Cruz Villarreal, J., Kruithoff, R., Egatz-Gomez, A., Coleman, P. D., Ros, R., Sandrin, T. R., & Ros, A. (2022). MIMAS: microfluidic platform in tandem with MALDI mass spectrometry for protein quantification from small cell ensembles. …

  75. Serial macromolecular crystallography at ALBA Synchrotron Light Source

    04 Apr 2022 | BioXFEL Publications | Contributor(s): Jose M. Martin-Garcia, Sabine Botha, Hao Hu, Rebecca Jeanne Jernigan, Albert Castellví, Stella Lisova, Fernando Gil, Barbara Calisto, Isidro Crespo, Shatabdi Roy-Chowdhury, Alice Grieco, Gihan Kaushylal Ketawala, Uwe Weierstall, John Spence, Petra Fromme, Nadia Zatsepin, Dirk Roeland Boer, Xavi Carpena

    http://dx.doi.org/10.1107/s1600577522002508 The increase in successful adaptations of serial crystallography at synchrotron radiation sources continues. To date, the number of serial synchrotron crystallography (SSX) experiments has grown exponentially, with over 40 experiments reported so far. In …

  76. A Metropolis Monte Carlo algorithm for merging single-particle diffraction intensities

    04 Apr 2022 | BioXFEL Publications | Contributor(s): B. R. Mobley, K. E. Schmidt, J. P. J. Chen, R. A. Kirian

    http://dx.doi.org/10.1107/s2053273322001395 Single-particle imaging with X-ray free-electron lasers depends crucially on algorithms that merge large numbers of weak diffraction patterns despite missing measurements of parameters such as particle orientations. The expand–maximize–compress (EMC) …

  77. Observations of phase changes in monoolein during high viscous injection

    21 Mar 2022 | BioXFEL Publications | Contributor(s): Daniel J. Wells, Peter Berntsen, Eugeniu Balaur, Cameron M. Kewish, Patrick Adams, Andrew Aquila, Jack Binns, Sébastien Boutet, Hayden Broomhall, Carl Caleman, Andrew Christofferson, Charlotte E. Conn, Caroline Dahlqvist, Leonie Flueckiger, Francisco Gian Roque, Tamar L. Greaves, Majid Hejazian, Mark S. Hunter, Marjan Hadian Jazi, H. Olof Jönsson, Sachini Kadaoluwa Pathirannahalage, Richard Kirian, Alex Kozlov, Ruslan P. Kurta, Hugh Marman, Derek Mendez, Andrew Morgan, Keith Nugent, Dominik Oberthuer, Harry Quiney, Juliane Reinhardt, Saumitra Saha, Jonas A. Sellberg, Raymond Sierra, Max Oliver Wiedorn, Brian Abbey, Andrew V. Martin, Connie Darmanin

    http://dx.doi.org/10.1107/s1600577522001862 Serial crystallography of membrane proteins often employs high-viscosity injectors (HVIs) to deliver micrometre-sized crystals to the X-ray beam. Typically, the carrier medium is a lipidic cubic phase (LCP) media, which can also be used to nucleate and …

  78. Ligand binding remodels protein side-chain conformational heterogeneity

    21 Mar 2022 | BioXFEL Publications | Contributor(s): Stephanie A Wankowicz, Saulo H De Oliveira, Daniel W Hogan, Henry Van Den Bedem, James Fraser

    http://dx.doi.org/10.7554/elife.74114 While protein conformational heterogeneity plays an important role in many aspects of biological function, including ligand binding, its impact has been difficult to quantify. Macromolecular X-ray diffraction is commonly interpreted with a static structure, but …

  79. Amyloid‐β analysis from brain cells using microfluidics and mass spectrometry

    15 Mar 2022 | BioXFEL Publications | Contributor(s): Jorvani Cruz Villarreal, Ana Egatz‐Gomez, Jiawei Liu, Robert Ros, George T. Noutsios, Todd R. Sandrin, Paul D. Coleman, Alexandra Ros

    http://dx.doi.org/10.1002/alz.054274 journal-article Villarreal, J. C., Egatz‐Gomez, A., Liu, J., Ros, R., Noutsios, G. T., Sandrin, T. R., Coleman, P. D., & Ros, A. (2021). Amyloid‐β analysis from brain cells using microfluidics and mass spectrometry. Alzheimer’s & Dementia, 17(S3). …

  80. Energy landscape of the SARS-CoV-2 reveals extensive conformational heterogeneity

    08 Mar 2022 | BioXFEL Publications | Contributor(s): Ghoncheh Mashayekhi, John Vant, Abhigna Polavarapu, Abbas Ourmazd, Abhishek Singharoy

    http://dx.doi.org/10.1016/j.crstbi.2022.02.001 journal-article Mashayekhi, G., Vant, J., Polavarapu, A., Ourmazd, A., & Singharoy, A. (2022). Energy landscape of the SARS-CoV-2 reveals extensive conformational heterogeneity. Current Research in Structural Biology, 4, 68–77. …

  81. Accurate positioning of functional residues with robotics-inspired computational protein design

    07 Mar 2022 | BioXFEL Publications | Contributor(s): Cody Krivacic, Kale Kundert, Xingjie Pan, Roland A. Pache, Lin Liu, Shane O Conchúir, Jeliazko R. Jeliazkov, Jeffrey J. Gray, Michael Thompson, James Fraser, Tanja Kortemme

    http://dx.doi.org/10.1073/pnas.2115480119 Significance Computational protein design promises to advance applications in medicine and biotechnology by creating proteins with many new and useful functions. However, new functions require the design of specific and often irregular atom-level …

  82. Comprehensive Research on Past and Future Therapeutic Strategies Devoted to Treatment of Amyotrophic Lateral Sclerosis

    22 Feb 2022 | BioXFEL Publications | Contributor(s): Belgin Sever, Halilibrahim Ciftci, Hasan Demirci, Hilal Sever, Firdevs Ocak, Burak Yulug, Hiroshi Tateishi, Takahisa Tateishi, Masami Otsuka, Mikako Fujita, Ayşe Nazlı Başak

    http://dx.doi.org/10.3390/ijms23052400 Amyotrophic lateral sclerosis (ALS) is a rapidly debilitating fatal neurodegenerative disorder, causing muscle atrophy and weakness, which leads to paralysis and eventual death. ALS has a multifaceted nature affected by many pathological mechanisms, including …

  83. Structural basis for context-specific inhibition of translation by oxazolidinone antibiotics

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    11 Feb 2022 | BioXFEL Publications | Contributor(s): Iris Diane Young, James Fraser

    http://dx.doi.org/10.1016/j.bpj.2021.11.2781 journal-article Young, I. D., & Fraser, J. S. (2022). Curiosity: a tool for exploring density features in crystallographic and cryoEM maps. Biophysical Journal, 121(3), 528a. https://doi.org/10.1016/j.bpj.2021.11.2781 Iris D. Young and James S. Fraser

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  86. Integration of software tools for integrative modeling of biomolecular systems

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    http://dx.doi.org/10.1016/j.bpj.2021.11.2555 journal-article Hancock, M., Peulen, T.-O., Webb, B., Fraser, J. S., Adams, P. D., & Sali, A. (2022). Integration of software tools for integrative modeling of biomolecular systems. Biophysical Journal, 121(3), 31a. …

  87. Dismantling antibiotic resistance one variant at a time: in vitro and computational analysis of VatD

    11 Feb 2022 | BioXFEL Publications | Contributor(s): Alexis M. Kelley, Christian B. Macdonald, James Fraser

    http://dx.doi.org/10.1016/j.bpj.2021.11.2487 journal-article Kelley, A. M., Macdonald, C. B., & Fraser, J. (2022). Dismantling antibiotic resistance one variant at a time: in vitro and computational analysis of VatD. Biophysical Journal, 121(3), 48a. https://doi.org/10.1016/j.bpj.2021.11.2487 …

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    http://dx.doi.org/10.1016/j.bpj.2021.11.1313 journal-article Menon, C. S. K., Karpos, K., Grant, T. D., Struts, A. V., Fried, S. D. E., Alvarez, R. C., Perera, S. M. D. C., Kosheleva, I. V., Grossfield, A., Fromme, P., Kirian, R. A., & Brown, M. F. (2022). Time-resolved functional expansion of …

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    11 Feb 2022 | BioXFEL Publications | Contributor(s): Eric R. Greene, Erin Thompson, D. John Lee, Angelika Arada, Daphne Chen, James Fraser

    http://dx.doi.org/10.1016/j.bpj.2021.11.1035 journal-article Greene, E. R., Thompson, E., Lee, D. J., Arada, A., Chen, D., & Fraser, J. (2022). Connecting glutamine synthetase biophysics to the cellular environment. Biophysical Journal, 121(3), 348a. https://doi.org/10.1016/j.bpj.2021.11.1035 …

  90. Using deep mutational scanning to identify the determinants of antibiotic resistance

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    http://dx.doi.org/10.1016/j.bpj.2021.11.665 journal-article Macdonald, C. B., Kelley, A., Pellegrino, J., Coyote-Maestas, W., & Fraser, J. (2022). Using deep mutational scanning to identify the determinants of antibiotic resistance. Biophysical Journal, 121(3), 422a. …

  91. Integration of software tools for integrative modeling of biomolecular systems

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    07 Feb 2022 | BioXFEL Publications | Contributor(s): Surya V. S. R. K Pulavarti, Jack B. Maguire, Shirley Yuen, Joseph S. Harrison, Jermel Griffin, Lakshmanane Premkumar, Edward A. Esposito, George I. Makhatadze, Angel E. Garcia, Thomas M. Weiss, Edward Snell, Brian Kuhlman, Thomas Szyperski

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    http://dx.doi.org/10.3390/antibiotics11020158 Due to the rapid mutation of pathogenic microorganisms, drug-resistant superbugs have evolved. Antimicrobial-resistant germs may share their resistance genes with other germs, making them untreatable. The search for more combative antibiotic compounds …

  94. An advanced workflow for single-particle imaging with the limited data at an X-ray free-electron laser. Corrigendum

    24 Jan 2022 | BioXFEL Publications | Contributor(s): Dameli Assalauova, Young Yong Kim, Sergey Bobkov, Ruslan Khubbutdinov, Max Rose, Roberto Alvarez, Jakob Andreasson, Eugeniu Balaur, Alice Contreras, Hasan Demirci, Luca Gelisio, Janos Hajdu, Mark S. Hunter, Ruslan P. Kurta, Haoyuan Li, Matthew McFadden, Reza Nazari, Peter Schwander, Anton Teslyuk, Peter Walter, P. Lourdu Xavier, Chun Hong Yoon, Sahba Zaare, Viacheslav A. Ilyin, Richard Kirian, Brenda Hogue, Andrew Aquila, Ivan A. Vartanyants

    http://dx.doi.org/10.1107/s2052252522000501 An error in Fig. 3(c) of the article by Assalauova et al. [IUCrJ (2020), 7, 1102–1113] is corrected. journal-article Assalauova, D., Kim, Y. Y., Bobkov, S., Khubbutdinov, R., Rose, M., Alvarez, R., Andreasson, J., Balaur, E., Contreras, A., DeMirci, …

  95. Protocol for Structure Determination of SARS-CoV-2 Main Protease at Near-physiological-temperature by Serial Femtosecond Crystallography

    24 Jan 2022 | BioXFEL Publications | Contributor(s): Fatma Betul Ertem, Omur Guven, Cengizhan Buyukdag, Oktay Gocenler, Esra Ayan, Busra Yuksel, Mehmet Gul, Gozde Usta, Barıs Cakılkaya, J. Austin Johnson, E. Han Dao, Zhen Su, Frederic Poitevin, Chun Hong Yoon, Christopher Kupitz, Brandon Hayes, Mengning Liang, Mark S. Hunter, Alexander Batyuk, Raymond G. Sierra, Gihan Kaushylal Ketawala, Sabine Botha, Çağdaş Dağ, Hasan Demirci

    http://dx.doi.org/10.1016/j.xpro.2022.101158 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Ertem, F. B., Guven, O., Buyukdag, C., Gocenler, O., Ayan, E., Yuksel, B., Gul, M., Usta, G., Cakılkaya, B., Johnson, J. A., Dao, E. H., Su, Z., Poitevin, F., Yoon, C. H., Kupitz, C., …

  96. In Vitro and In Silico Study of Analogs of Plant Product Plastoquinone to Be Effective in Colorectal Cancer Treatment

    23 Jan 2022 | BioXFEL Publications | Contributor(s): Halilibrahim Ciftci, Belgin Sever, Firdevs Ocak, Nilüfer Bayrak, Mahmut Yıldız, Hatice Yıldırım, Hasan Demirci, Hiroshi Tateishi, Masami Otsuka, Mikako Fujita, Amaç Fatih TuYuN

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    21 Jan 2022 | BioXFEL Publications | Contributor(s): Roberto Ricardo-Gonzalez, Maya E. Kotas, Claire E. O'Leary, Iliana Tenvooren, Diana M. Marquez, Katelyn Singh, William Damsky, Andrew W. Schroeder, Jarish N. Cohen, Marlys Fassett, Jinwoo Lee, Scott G. Daniel, Kyle Bittinger, Roberto Efraín Díaz, James Fraser, Mark Ansel, Matthew Spitzer, Hong-Erh Liang, Richard M. Locksley

    http://dx.doi.org/10.2139/ssrn.4013912 journal-article Ricardo-Gonzalez, R., Kotas, M. E., O'Leary, C. E., Tenvooren, I., Marquez, D. M., Singh, K., Damsky, W., Schroeder, A. W., Cohen, J. N., Fassett, M., Lee, J., Daniel, S. G., Bittinger, K., Díaz, R. E., Fraser, J. S., Ansel, M., …

  98. Cooperative allostery and structural dynamics of streptavidin at cryogenic- and ambient-temperature

    20 Jan 2022 | BioXFEL Publications | Contributor(s): Esra Ayan, Busra Yuksel, Ebru Destan, Fatma Betul Ertem, Gunseli Yildirim, Meryem Eren, Oleksandr M. Yefanov, Anton Barty, Alexandra Tolstikova, Gihan Kaushylal Ketawala, Sabine Botha, E. Han Dao, Brandon Hayes, Mengning Liang, Matthew H. Seaberg, Mark S. Hunter, Alexander Batyuk, Valerio Mariani, Zhen Su, Frederic Poitevin, Chun Hong Yoon, Christopher Kupitz, Aina Cohen, Tzanko Doukov, Raymond G. Sierra, Çağdaş Dağ, Hasan Demirci

    http://dx.doi.org/10.1038/s42003-021-02903-7 AbstractMultimeric protein assemblies are abundant in nature. Streptavidin is an attractive protein that provides a paradigm system to investigate the intra- and intermolecular interactions of multimeric protein complexes. Also, it offers a versatile …

  99. Structural biology is solved — now what?

    11 Jan 2022 | BioXFEL Publications | Contributor(s): Abbas Ourmazd, Keith Moffat, Eaton E Lattman

    http://dx.doi.org/10.1038/s41592-021-01357-3 journal-article NSF-STC Biology with X-ray Lasers (NSF-1231306) Ourmazd, A., Moffat, K., & Lattman, E. E. (2022). Structural biology is solved — now what? Nature Methods, 19(1), 24–26. https://doi.org/10.1038/s41592-021-01357-3 Abbas Ourmazd and …

  100. Directed evolution of the rRNA methylating enzyme Cfr reveals molecular basis of antibiotic resistance

    11 Jan 2022 | BioXFEL Publications | Contributor(s): Kaitlyn Tsai, Vanja Stojković, Lianet Noda-Garcia, Iris Diane Young, Alexander G Myasnikov, Jordan Kleinman, Ali Palla, Stephen N Floor, Adam Frost, James Fraser, Dan S Tawfik, Danica Galonić Fujimori

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