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Yasumasa Joti
Researcher at University of Tokyo
Publications - 116
Citations - 5693
Yasumasa Joti is an academic researcher from University of Tokyo. The author has contributed to research in topics: SACLA & Laser. The author has an hindex of 32, co-authored 105 publications receiving 4773 citations. Previous affiliations of Yasumasa Joti include Yokohama City University & Kyoto University.
Papers
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Journal ArticleDOI
Redox-coupled proton transfer mechanism in nitrite reductase revealed by femtosecond crystallography
Yohta Fukuda,Yohta Fukuda,Ka Man Tse,Takanori Nakane,Toru Nakatsu,Mamoru Suzuki,Michihiro Sugahara,Shigeyuki Inoue,Tetsuya Masuda,Fumiaki Yumoto,Naohiro Matsugaki,Eriko Nango,K. Tono,Yasumasa Joti,Takashi Kameshima,Changyong Song,Takaki Hatsui,Makina Yabashi,Osamu Nureki,Michael E. P. Murphy,Tsuyoshi Inoue,So Iwata,Eiichi Mizohata +22 more
TL;DR: A redox-coupled proton switch model is proposed, which provides an explanation for proton-Coupled electron transfer (PCET) in CuNiR and demonstrates the potential of SFX as a powerful tool to study redox processes in metalloenzymes.
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Diverse application platform for hard X-ray diffraction in SACLA (DAPHNIS): application to serial protein crystallography using an X-ray free-electron laser.
K. Tono,Eriko Nango,Michihiro Sugahara,Changyong Song,Jaehyun Park,Tomoyuki Tanaka,Rie Tanaka,Yasumasa Joti,Takashi Kameshima,Shun Ono,Takaki Hatsui,Eiichi Mizohata,Mamoru Suzuki,Tatsuro Shimamura,Yoshiki Tanaka,So Iwata,Makina Yabashi +16 more
TL;DR: An experimental platform for serial femtosecond crystallography using an X-ray free-electron laser and its applications at SACLA are described.
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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.
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A soft X‐ray free‐electron laser beamline at SACLA: the light source, photon beamline and experimental station
Shigeki Owada,Kazuaki Togawa,Takahiro Inagaki,Toru Hara,Takashi Tanaka,Yasumasa Joti,Takahisa Koyama,Kyo Nakajima,Haruhiko Ohashi,Yasunori Senba,Tadashi Togashi,Kensuke Tono,Mitsuhiro Yamaga,Hirokatsu Yumoto,Makina Yabashi,Hitoshi Tanaka,Tetsuya Ishikawa +16 more
TL;DR: The status of a soft X-ray free-electron laser beamline at SACLA is reported.
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.