Research theme for competitive and other funds (18):
2023 - 2027 Real-time structural dynamics analysis in protein crystal under controlled environmental conditions (temperature and pH).
2023 - 2026 速度論および熱力学的手法を用いた"in crystallo" 酵素反応解析
2022 - 2024 シリアルフェムト秒結晶構造解析に基づく銅含有アミン酸化酵素の触媒機構の解明
2020 - 2023 非凍結結晶を用いた“in crystallo”酵素反応解析
2020 - 2022 シリアルフェムト秒結晶構造解析による銅含有アミン酸化酵素の触媒機構の解明
2019 - 2022 Elucidation of quinone cofactor biogenesis in copper amine oxidase on the basis of proton structures and flexibility analysis
2017 - 2021 In crystallo thermodynamic analysis of the cofactor conformational change of copper amine oxidase
2016 - 2020 Elucidation of enzyme catalytic mechanism regulating transition state by linking conformational change and fluctuations of the active site
2015 - 2019 Concerted proton/electron transfer mechanism in cofactor-dependent enzyme
2014 - 2018 X-ray and neutron crystallographic structure of copper amine oxidase
2012 - 2016 Reaction specificity of pyridoxal enzymes
2011 - 2013 Structural studies for the refined reaction mechanism of copper amine oxidase.
2011 - 2012 ストレプトコッカス難治性感染症に関わるComA の生化学的解析
2011 - 2012 動的構造情報に基づく銅・TPQ含有アミン酸化酵素の反応解析
2009 - 2011 Multidimensional energy analysis of pyridoxal-enzyme and quinoenzyme reactions
2007 - 2009 Kinetic and X-ray crystallographic analysis of quantum mechanical hydrogen tunneling in enzyme-catalyzed reaction
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Papers (39):
Takeshi Murakawa, Kazuo Kurihara, Mitsuo Shoji, Naomine Yano, Katsuhiro Kusaka, Yoshiaki Kawano, Mamoru Suzuki, Yasuteru Shigeta, Takato Yano, Motoyasu Adachi, et al. Neutron Crystallography of a Semiquinone Radical Intermediate of Copper Amine Oxidase Reveals a Substrate-Assisted Conformational Change of the Peptidyl Quinone Cofactor. ACS Catalysis. 2023. 12403-12413
Kenji Fukui, Tatsuya Yamamoto, Takeshi Murakawa, Seiki Baba, Takashi Kumasaka, Takato Yano. Catalytic mechanism of the zinc-dependent MutL endonuclease reaction. Life Science Alliance. 2023. 6. 10. e202302001-e202302001
Seiki BABA, Takeshi MURAKAWA. X-ray Crystallographic Analysis of Copper Amine Oxidase in Physiological Environments using Humid Air and Glue-coating(HAG)Method. Nihon Kessho Gakkaishi. 2022. 64. 4. 285-289
Yasuo Watanabe, Youichi Suzuki, Akino Emi, Takeshi Murakawa, Takayuki Hishiki, Fumihiro Kato, Shoichi Sakaguchi, Hong Wu, Takato Yano, Chang-Kweng Lim, et al. Identification of the corticotropin-releasing factor receptor 1 antagonists as inhibitors of Chikungunya virus replication using a Gaussia luciferase-expressing subgenomic replicon. Biochemical and Biophysical Research Communications. 2022. 637. 181-188
Takeshi Murakawa, Mamoru Suzuki, Kenji Fukui, Tetsuya Masuda, Michihiro Sugahara, Kensuke Tono, Tomoyuki Tanaka, So Iwata, Eriko Nango, Takato Yano, et al. Serial femtosecond X-ray crystallography of an anaerobically formed catalytic intermediate of copper amine oxidase. Acta Crystallographica Section D Structural Biology. 2022. 78. Pt 12. 1428-1438