Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Hitomi Sawai"'
Autor:
Vu Ngoc Hieu, Le Thi Thanh Thuy, Hoang Hai, Ninh Quoc Dat, Dinh Viet Hoang, Ngo Vinh Hanh, Dong Minh Phuong, Truong Huu Hoang, Hitomi Sawai, Yoshitsugu Shiro, Misako Sato-Matsubara, Daisuke Oikawa, Fuminori Tokunaga, Katsutoshi Yoshizato, Norifumi Kawada
Publikováno v:
Redox Biology, Vol 52, Iss , Pp 102286- (2022)
Background & aims: Hepatic stellate cells (HSCs) are the primary cell type in liver fibrosis, a significant global health care burden. Cytoglobin (CYGB), a globin family member expressed in HSCs, inhibits HSC activation and reduces collagen productio
Externí odkaz:
https://doaj.org/article/b3caf10566394e3283c064a7fac5dd97
Autor:
Megumi Nishinaga, Hiroshi Sugimoto, Yudai Nishitani, Seina Nagai, Satoru Nagatoishi, Norifumi Muraki, Takehiko Tosha, Kouhei Tsumoto, Shigetoshi Aono, Yoshitsugu Shiro, Hitomi Sawai
Publikováno v:
Communications Biology, Vol 4, Iss 1, Pp 1-12 (2021)
Nishinaga et al. present structural characterization of the transcription regulator PefR from S. agalactiae in different states (apo-, DNAbound, heme-bound, CO-heme-bound and CN-heme-bound-PefRs). Structural comparison revealed that unique heme coord
Externí odkaz:
https://doaj.org/article/07128172ea764ecdbc5f4b432580abbb
Integrated bio-metal science: New frontiers of bio-metal science opened with cutting-edge techniques
Autor:
Hitomi Sawai, Koichiro Ishimori
Publikováno v:
Biophysics and Physicobiology, Vol 17 (2020)
Externí odkaz:
https://doaj.org/article/b29be8ad963a4ce6ac6824212933816e
Autor:
Takehiko Tosha, Takashi Nomura, Takuma Nishida, Naoya Saeki, Kouta Okubayashi, Raika Yamagiwa, Michihiro Sugahara, Takanori Nakane, Keitaro Yamashita, Kunio Hirata, Go Ueno, Tetsunari Kimura, Tamao Hisano, Kazumasa Muramoto, Hitomi Sawai, Hanae Takeda, Eiichi Mizohata, Ayumi Yamashita, Yusuke Kanematsu, Yu Takano, Eriko Nango, Rie Tanaka, Osamu Nureki, Osami Shoji, Yuka Ikemoto, Hironori Murakami, Shigeki Owada, Kensuke Tono, Makina Yabashi, Masaki Yamamoto, Hideo Ago, So Iwata, Hiroshi Sugimoto, Yoshitsugu Shiro, Minoru Kubo
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Using photosensitive caged-compound for femtosecond crystallography at X-ray free electron lasers would allow the structure determination of reaction intermediates. Here the authors demonstrate the feasibility of this approach with a caged NO-compoun
Externí odkaz:
https://doaj.org/article/09d185f659f54420bd7260a89d764ebf
Autor:
Hitomi SAWAI
Publikováno v:
Seibutsu Butsuri. 63:102-103
Publikováno v:
Chemistry Letters. 50:280-288
Nitric oxide (NO) is generated in some biological systems. Due to its radical character, it exhibits high reactivity, but biological system can manage NO without sustaining any damage to bio-compou...
Autor:
Chinar Pathak, Takehiko Tosha, Hitomi Sawai, Mahdi Hussain, Hiroshi Sugimoto, Yoshitsugu Shiro, Natalia Stefanou, Hironori Murakami, Anna J Bailey, Go Ueno, Keitaro Yamashita, Kunio Hirata, Alistair J. Fielding, Jaswir Basran, Masaki Yamamoto, Samuel L. Freeman, Hazel A. Sparkes, Kensuke Tono, Peter C. E. Moody, Hanna Kwon, Hideo Ago, Emma Lloyd Raven
Publikováno v:
Angewandte Chemie (International Ed. in English)
Kwon, H, Basran, J, Pathak, C, Hussain, M, Freeman, S L, Fielding, A, Bailey, A, Stefanou, N, Sparkes, H A, Tosha, T, Yamashita, K, Hirata, K, Murakami, H, Ueno, G, Ago, H, Tono, K, Yamamoto, M, Sawai, H, Shiro, Y, Sugimoto, H, Raven, E & Moody, P 2021, ' XFEL Crystal Structures of Peroxidase Compound II ', Angewandte Chemie-International Edition, vol. 60, no. 26, pp. 14578-14585 . https://doi.org/10.1002/anie.202103010
Kwon, H, Basran, J, Pathak, C, Hussain, M, Freeman, S L, Fielding, A, Bailey, A, Stefanou, N, Sparkes, H A, Tosha, T, Yamashita, K, Hirata, K, Murakami, H, Ueno, G, Ago, H, Tono, K, Yamamoto, M, Sawai, H, Shiro, Y, Sugimoto, H, Raven, E & Moody, P 2021, ' XFEL Crystal Structures of Peroxidase Compound II ', Angewandte Chemie-International Edition, vol. 60, no. 26, pp. 14578-14585 . https://doi.org/10.1002/anie.202103010
Oxygen activation in all heme enzymes requires the formation of high oxidation states of iron, usually referred to as ferryl heme. There are two known intermediates: Compound I and Compound II. The nature of the ferryl heme—and whether it is an FeI
Autor:
Yoshitsugu Shiro, Hitomi Sawai, Takehiko Tosha, Satoru Nagatoishi, Hiroshi Sugimoto, Megumi Nishinaga, Yudai Nishitani, Kouhei Tsumoto, Shigetoshi Aono, Seina Nagai, Norifumi Muraki
Publikováno v:
Communications Biology
Communications Biology, Vol 4, Iss 1, Pp 1-12 (2021)
Communications Biology, Vol 4, Iss 1, Pp 1-12 (2021)
Hemes (iron-porphyrins) are critical for biological processes in all organisms. Hemolytic bacteria survive by acquiring b-type heme from hemoglobin in red blood cells from their animal hosts. These bacteria avoid the cytotoxicity of excess heme durin
Autor:
Taku Yamashita, Hirofumi Tsujino, Hitomi Sawai, Koji Oohora, Shumpei Hanai, Ryo Torii, Tadayuki Uno, Yoshitsugu Shiro, Takashi Hayashi
Publikováno v:
Journal of Inorganic Biochemistry. 179:1-9
Cytoglobin (Cygb) is a member of the hexacoordinated globin protein family and is expressed ubiquitously in rat and human tissues. Although Cygb is reportedly upregulated under hypoxic conditions both in vivo and in vitro, suggesting a physiological
Autor:
Hideo Nishitani, Gareth S. A. Wright, Hitomi Sawai, Akane Saeki, Svetlana V. Antonyuk, Hiro Nakamura, Yoko Nishizono, Takaaki Hikima, Kohei Nukina, Misaki Kamaya, Masaki Yamamoto, Tamao Hisano, Yoshitsugu Shiro, S. Samar Hasnain
Publikováno v:
Science Signaling
SCIENCE SIGNALING
SCIENCE SIGNALING
The symbiotic nitrogen-fixing bacterium Bradyrhizobium japonicum is critical to the agro-industrial production of soybean because it enables the production of high yields of soybeans with little use of nitrogenous fertilizers. The FixL and FixJ two-c