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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
Ultrafast structural changes direct the first molecular events of vision
Thomas Gruhl,Tobias Weinert,Matthew J. Rodrigues,Christopher J. Milne,Giorgia Ortolani,Karol Nass,Eriko Nango,Saumik Sen,P. Johnson,Claudio Cirelli,Antonia Furrer,S. Mous,Petr Skopintsev,Daniel James,Florian S. N. Dworkowski,Petra Båth,Demet Kekilli,Dmitry Ozerov,Rie Tanaka,Hannah Glover,Camila Bacellar,Steffen Brünle,Cecilia M. Casadei,Azeglio D Diethelm,Dardan Gashi,Guillaume Gotthard,Ramon Guixà-González,Yasumasa Joti,Victoria Kabanova,Gregor Knopp,Elena Lesca,Pikyee Ma,Isabelle Martiel,Jonas Mühle,Shigeki Owada,Filip Pamula,Daniel Sarabi,Oliver Tejero,Ching-Ju Tsai,Niranjan Varma,Anna Wach,Sébastien Boutet,Kensuke Tono,Przemyslaw Nogly,Xavier Deupi,So Iwata,Richard Neutze,Jörg Standfuss,Gebhard F. X. Schertler,Valerie Panneels +49 more
TL;DR: In this paper , the authors used ultrafast time-resolved crystallography at room temperature to determine how an isomerized twisted all-trans retinal stores the photon energy that is required to initiate the protein conformational changes associated with the formation of the G protein-binding signalling state.
Journal ArticleDOI
Coherent diffraction imaging of non-isolated object with apodized illumination.
Krishna P. Khakurel,Takashi Kimura,Yasumasa Joti,Satoshi Matsuyama,Kazuto Yamauchi,Yoshinori Nishino +5 more
TL;DR: It is believed that the result of phase contrast imaging at an optical wavelength can be extended to the quantitative phase imaging of cells and tissues.
Journal ArticleDOI
Gaussian mixture model for coarse-grained modeling from XFEL
TL;DR: It is demonstrated that GMMs serve as useful coarse-grained models for hybrid approach in XFEL single particle experiments and the resolution that GMM can accurately reproduce is proportional to the cubic root of the number of Gaussians used in the modeling.
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Towards single particle imaging of human chromosomes at SACLA
Ian K. Robinson,Ian K. Robinson,Ian K. Robinson,Joerg Schwenke,Joerg Schwenke,Mohammed Yusuf,Mohammed Yusuf,Ana Katrina Estandarte,Ana Katrina Estandarte,Fucai Zhang,Fucai Zhang,Bo Chen,Bo Chen,Bo Chen,Jesse N. Clark,Changyong Song,Daewoong Nam,Yasumasa Joti,Kensuke Tono,Makina Yabashi,Gina Ratnasari,Kohei Kaneyoshi,Hideaki Takata,Kiichi Fukui +23 more
TL;DR: In this article, the authors report their first attempt at single particle imaging (SPI) using the SACLA XFEL facility in June 2015, which was limited to experience with the instrumentation and examples of data because they have not yet had time to invert them to images.
Journal ArticleDOI
Strategy for Stabilization of CutA1 Proteins Due to Ion–Ion Interactions at Temperatures of over 100 °C
Yoshinori Matsuura,Michiyo Takehira,George I. Makhatadze,Yasumasa Joti,Hisashi Naitow,Naoki Kunishima,Katsuhide Yutani +6 more
TL;DR: The Td of ionic mutants linearly increases with the increments of the computed energy of ion- ion interactions for ionic mutant proteins even up to the temperatures near 140 °C, suggesting that ion-ion interactions cumulatively contribute to the stabilization of a protein at high temperatures.