Data acquisition system for X-ray free-electron laser experiments at SACLA
Yasumasa Joti,Takashi Kameshima,Mitsuhiro Yamaga,Takashi Sugimoto,Kensuke Okada,Toshinori Abe,Yukito Furukawa,Toru Ohata,Ryotaro Tanaka,Takaki Hatsui,Makina Yabashi +10 more
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TLDR
A data acquisition, control, and storage system for user experiments at the X-ray Free Electron Laser facility, SACLA, at the SPring-S site, which has been stably operating for the public users experiments since March 2012.Abstract:
A data acquisition system for X-ray free-electron laser experiments at SACLA has been developed. The system has been designed for reliable shot-to-shot data storage with a high data stream greater than 4 Gbps and massive data analysis. Configuration of the system and examples of prompt data analysis during experiments are presented. Upgrade plans for the system to extend flexibility are described.read more
Citations
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Journal ArticleDOI
Overview of the SACLA facility.
TL;DR: An overview of SACLA operating as a user facility and the updated status of the light source and the beamline is summarized.
Journal ArticleDOI
Hydroxyethyl cellulose matrix applied to serial crystallography
Michihiro Sugahara,Takanori Nakane,Tetsuya Masuda,Mamoru Suzuki,Shigeyuki Inoue,Changyong Song,Rie Tanaka,Toru Nakatsu,Eiichi Mizohata,Fumiaki Yumoto,Kensuke Tono,Yasumasa Joti,Takashi Kameshima,Takaki Hatsui,Makina Yabashi,Osamu Nureki,Keiji Numata,Eriko Nango,So Iwata +18 more
TL;DR: A hydroxyethyl cellulose-matrix carrier is introduced, to determine the structure of three proteins, and the de novo structure determination of proteinase K from single-wavelength anomalous diffraction by utilizing the anomalous signal of the praseodymium atom was demonstrated.
Journal ArticleDOI
Data processing pipeline for serial femtosecond crystallography at SACLA
Takanori Nakane,Yasumasa Joti,Kensuke Tono,Makina Yabashi,Eriko Nango,So Iwata,Ryuichiro Ishitani,Osamu Nureki +7 more
TL;DR: A data processing pipeline for SACLA was developed, based on Cheetah and CrystFEL, and real-time analysis and rapid structure solution were enabled.
Journal ArticleDOI
Native sulfur/chlorine SAD phasing for serial femtosecond crystallography.
Takanori Nakane,Changyong Song,Mamoru Suzuki,Eriko Nango,Jun Kobayashi,Tetsuya Masuda,Shigeyuki Inoue,Eiichi Mizohata,Toru Nakatsu,Tomoyuki Tanaka,Rie Tanaka,Tatsuro Shimamura,K. Tono,Yasumasa Joti,Takashi Kameshima,Takaki Hatsui,Makina Yabashi,Osamu Nureki,So Iwata,Michihiro Sugahara +19 more
TL;DR: Sulfur SAD phasing facilitates the structure determination of diverse native proteins using femtosecond X-rays from free-electron lasers via serial femTosecond crystallography.
References
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Phase retrieval algorithms: a comparison.
TL;DR: Iterative algorithms for phase retrieval from intensity data are compared to gradient search methods and it is shown that both the error-reduction algorithm for the problem of a single intensity measurement and the Gerchberg-Saxton algorithm forThe problem of two intensity measurements converge.
Journal ArticleDOI
First lasing and operation of an ångstrom-wavelength free-electron laser
Paul Emma,R. Akre,J. Arthur,Richard M. Bionta,Christoph Bostedt,John D. Bozek,Axel Brachmann,Philip H. Bucksbaum,Ryan Coffee,F.-J. Decker,Y. Ding,David H. Dowell,S. A. Edstrom,Alan Fisher,Josef Frisch,Sasha Gilevich,Jerome B. Hastings,G. Hays,Ph. Hering,Zhirong Huang,R. H. Iverson,Henrik Loos,Marc Messerschmidt,A. Miahnahri,Stefan Moeller,Heinz-Dieter Nuhn,G. Pile,Daniel Ratner,J. Rzepiela,D. Schultz,T. Smith,P. Stefan,H. Tompkins,Joshua J. Turner,J. Welch,William E. White,Juhao Wu,Gerald Yocky,J. Galayda +38 more
TL;DR: The Linac Coherent Light Source free-electron laser has achieved coherent X-ray generation down to a wavelength of 1.2 A and at a brightness that is nearly ten orders of magnitude higher than conventional synchrotrons.
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Mixture models : inference and applications to clustering
TL;DR: The Mixture Likelihood Approach to Clustering and the Case Study Homogeneity of Mixing Proportions Assessing the Performance of the Mixture likelihood approach toClustering.
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