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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.
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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.
Journal ArticleDOI
Crystal Structures of Human Orexin 2 Receptor Bound to the Subtype-Selective Antagonist EMPA.
Ryoji Suno,Kanako Terakado Kimura,Takanori Nakane,Keitaro Yamashita,Junmei Wang,Takaaki Fujiwara,Yasuaki Yamanaka,Dohyun Im,Shoichiro Horita,Hirokazu Tsujimoto,Maki S. Tawaramoto,Takatsugu Hirokawa,Eriko Nango,Kensuke Tono,Takashi Kameshima,Takaki Hatsui,Yasumasa Joti,Makina Yabashi,Keiko Shimamoto,Masaki Yamamoto,Daniel M. Rosenbaum,So Iwata,Tatsuro Shimamura,Takuya Kobayashi,Takuya Kobayashi +24 more
TL;DR: Structures of human orexin 2 receptor in complex with the subtype-selective antagonist EMPA, revealed that the residue at positions 2.61 and 3.33 were critical for the antagonist selectivity in OX2R, and should facilitate the development of antagonists for oxin receptors.
Journal ArticleDOI
Photoswitching mechanism of a fluorescent protein revealed by time-resolved crystallography and transient absorption spectroscopy.
Joyce Woodhouse,Gabriela Nass Kovacs,Nicolas Coquelle,Lucas Martinez Uriarte,Virgile Adam,Thomas R. M. Barends,Martin Byrdin,Eugenio de la Mora,R. Bruce Doak,Mikolaj Feliks,Martin J. Field,Franck Fieschi,Virginia Guillon,Stefan Jakobs,Yasumasa Joti,Pauline Macheboeuf,Koji Motomura,Karol Nass,Shigeki Owada,C.M. Roome,Cyril Ruckebusch,Giorgio Schirò,Robert L. Shoeman,Michel Thépaut,Tadashi Togashi,Kensuke Tono,Makina Yabashi,Marco Cammarata,Lutz Foucar,Dominique Bourgeois,Michel Sliwa,Jacques-Philippe Colletier,Ilme Schlichting,Martin Weik +33 more
TL;DR: The authors present the structure of an rsEGFP2 ground-state intermediate after excited state-decay that was obtained by nanosecond time-resolved serial femtosecond crystallography at an X-ray free electron laser, and time- Resolved absorption spectroscopy measurements complement their structural analysis.
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Microcrystal delivery by pulsed liquid droplet for serial femtosecond crystallography
Fumitaka Mafuné,Ken Miyajima,Kensuke Tono,Yoshihiro Takeda,Jun-ya Kohno,Naoya Miyauchi,Jun Kobayashi,Yasumasa Joti,Eriko Nango,So Iwata,Makina Yabashi +10 more
TL;DR: Liquid droplets have considerable potential as a crystal carrier for SFX with low sample consumption and by finely tuning the pulsed liquid droplets in time and space, a high hit rate of the XFEL pulses to microcrystals in the droplets was achieved for measurements.
Journal ArticleDOI
Oil-free hyaluronic acid matrix for serial femtosecond crystallography.
Michihiro Sugahara,Changyong Song,Mamoru Suzuki,Tetsuya Masuda,Shigeyuki Inoue,Takanori Nakane,Fumiaki Yumoto,Eriko Nango,Rie Tanaka,Kensuke Tono,Yasumasa Joti,Takashi Kameshima,Takaki Hatsui,Makina Yabashi,Osamu Nureki,Keiji Numata,So Iwata +16 more
TL;DR: A grease-free, water-based hyaluronic acid matrix is introduced that was able to produce electron density maps at 2.3-Å resolution for proteinase K and lysozyme proteins.