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NMR and molecular simulation studies on the structure elucidation of the amphotericin B ion channel using 13C and 19F labelling
Yuichi Umegawa, Hiroshi Tsuchikawa, Wataru Shinoda, Michio Murata
Organic & Biomolecular Chemistry Vol. 23 No. 6 p. 1233-1252 2025年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)
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Combined effect of the head groups and alkyl chains of archaea lipids when interacting with bacteriorhodopsin.
Yuichi Umegawa, Satoshi Kawatake, Michio Murata, Shigeru Matsuoka
Biophysical chemistry Vol. 294 p. 106959-106959 2023年3月 研究論文(学術雑誌)
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Amphotericin B assembles into seven-molecule ion channels: An NMR and molecular dynamics study.
Yuichi Umegawa, Tomoya Yamamoto, Mayank Dixit, Kosuke Funahashi, Sangjae Seo, Yasuo Nakagawa, Taiga Suzuki, Shigeru Matsuoka, Hiroshi Tsuchikawa, Shinya Hanashima, Tohru Oishi, Nobuaki Matsumori, Wataru Shinoda, Michio Murata
Science advances Vol. 8 No. 24 2022年6月17日 研究論文(学術雑誌)
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The Amphotericin B–Ergosterol Complex Spans a Lipid Bilayer as a Single-Length Assembly
Tomoya Yamamoto, Yuichi Umegawa, Hiroshi Tsuchikawa, Shinya Hanashima, Nobuaki Matsumori, Kosuke Funahashi, Sangjae Seo, Wataru Shinoda, Michio Murata
Biochemistry Vol. 58 No. 51 p. 5188-5196 2019年12月24日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Lipid Compositions of Liquid-Ordered and Liquid-Disordered Phases in Ternary Membranes of Sphingomyelin, Cholesterol, and Dioleoylphosphatidylcholine Determined by 2H NMR: Stearoyl-Sphingomyelin Compared with Its Palmitoyl Counterpart
Shinya Hanashima, Ayana Yamanaka, Yuki Ibata, Tomokazu Yasuda, Yuichi Umegawa, Michio Murata
Langmuir 2024年10月21日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society (ACS)
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Mode of molecular interaction of triterpenoid saponin ginsenoside Rh2 with membrane lipids in liquid-disordered phases
Darcy Garza-Miyazato, Shinya Hanashima, Yuichi Umegawa, Michio Murata, Masanao Kinoshita, Nobuaki Matsumori, Peter Greimel
Biochimica et Biophysica Acta (BBA) - Biomembranes Vol. 1866 No. 7 p. 184366-184366 2024年10月 研究論文(学術雑誌)
出版者・発行元:Elsevier BV
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Protein-lipid acyl chain interactions: Depth-dependent changes of segmental mobility of phospholipid in contact with bacteriorhodopsin.
Yuichi Umegawa, Sho Kato, Sangjae Seo, Wataru Shinoda, Satoshi Kawatake, Shigeru Matsuoka, Michio Murata
Biophysical chemistry Vol. 308 p. 107204-107204 2024年2月22日 研究論文(学術雑誌)
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A Fluorescent Probe for C24 Fatty Acids to Report the Deep Interior of Lipid Bilayers
Yuichi Umegawa, Michio Murata, Shiho Fukunaga, Tomokazu Yasuda
Synlett 2023年12月15日 研究論文(学術雑誌)
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NMR Studies on the Structure and Functions of Small Biomolecules with Highly Flexible Conformation
Michio Murata, Yuichi Umegawa, Shinya Hanashima
Bulletin of the Chemical Society of Japan Vol. 96 No. 10 p. 1156-1168 2023年10月15日 研究論文(学術雑誌)
出版者・発行元:The Chemical Society of Japan
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Effect of the number of sugar units on the interaction between diosgenyl saponin and membrane lipids.
Joan Candice Ondevilla, Shinya Hanashima, Akane Mukogawa, Darcy Garza Miyazato, Yuichi Umegawa, Michio Murata
Biochimica et biophysica acta. Biomembranes Vol. 1865 No. 5 p. 184145-184145 2023年3月11日 研究論文(学術雑誌)
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Behavior of Triterpenoid Saponin Ginsenoside Rh2 in Ordered and Disordered Phases in Model Membranes Consisting of Sphingomyelin, Phosphatidylcholine, and Cholesterol
Darcy Lacanilao Garza, Shinya Hanashima, Yuichi Umegawa, Michio Murata, Masanao Kinoshita, Nobuaki Matsumori, Peter Greimel
Langmuir 2022年8月19日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society (ACS)
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LnDOTA‐d8 , a versatile chemical‐shift thermometer for 2H solid‐state NMR
Yuichi Umegawa, Takeshi Shimonishi, Hiroshi Tsuchikawa, Michio Murata
Magnetic Resonance in Chemistry 2022年8月17日 研究論文(学術雑誌)
出版者・発行元:Wiley
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Lipid chain-driven interaction of a lipidated Src-family kinase Lyn with the bilayer membrane.
Shinya Hanashima, Kanako Mito, Yuichi Umegawa, Michio Murata, Hironobu Hojo
Organic & biomolecular chemistry Vol. 20 No. 32 p. 6436-6444 2022年8月17日 研究論文(学術雑誌)
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Depth-Dependent Segmental Melting of the Sphingomyelin Alkyl Chain in Lipid Bilayers.
Hiroshi Tsuchikawa, Mami Monji, Yuichi Umegawa, Tomokazu Yasuda, J Peter Slotte, Michio Murata
Langmuir : the ACS journal of surfaces and colloids Vol. 38 No. 18 p. 5515-5524 2022年5月10日 研究論文(学術雑誌)
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Diosgenin-induced physicochemical effects on phospholipid bilayers in comparison with cholesterol
Joan C, ice Ondevilla, Shinya Hanashima, Akane Mukogawa, Yuichi Umegawa, Michio Murata
Bioorganic & Medicinal Chemistry Letters Vol. 36 p. 127816-127816 2021年3月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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Conformation and Orientation of Branched Acyl Chains Responsible for the Physical Stability of Diphytanoylphosphatidylcholine
Hiroshi Tsuchikawa, Takuya Ono, Masaki Yamagami, Yuichi Umegawa, Wataru Shinoda, Michio Murata
Biochemistry Vol. 59 No. 40 p. 3929-3938 2020年10月13日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Average Conformation of Branched Chain Lipid PGP-Me That Accounts for the Thermal Stability and High-Salinity Resistance of Archaeal Membranes
Masaki Yamagami, Hiroshi Tsuchikawa, Jin Cui, Yuichi Umegawa, Yusuke Miyazaki, Sangjae Seo, Wataru Shinoda, Michio Murata
Biochemistry Vol. 58 No. 37 p. 3869-3879 2019年9月17日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Cholesterol-Induced Conformational Change in the Sphingomyelin Headgroup
Shinya Hanashima, Kazuhiro Murakami, Michihiro Yura, Yo Yano, Yuichi Umegawa, Hiroshi Tsuchikawa, Nobuaki Matsumori, Sangjae Seo, Wataru Shinoda, Michio Murata
Biophysical Journal Vol. 117 No. 2 p. 307-318 2019年7月23日 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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The Perpendicular Orientation of Amphotericin B Methyl Ester in Hydrated Lipid Bilayers Supports the Barrel-Stave Model
Tomoya Yamamoto, Yuichi Umegawa, Masaki Yamagami, Taiga Suzuki, Hiroshi Tsuchikawa, Shinya Hanashima, Nobuaki Matsumori, Michio Murata
Biochemistry Vol. 58 No. 17 p. 2282-2291 2019年4月30日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Small structural alterations greatly influence the membrane affinity of lipophilic ligands: Membrane interactions of bafilomycin A1 and its desmethyl derivative bearing 19F-labeling
Tatsuru Hayashi, Hiroshi Tsuchikawa, Yuichi Umegawa, Michio Murata
Bioorganic & Medicinal Chemistry Vol. 27 No. 8 p. 1677-1682 2019年4月15日 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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A Synthetic Approach to the Channel Complex Structure of Antibiotic in a Membrane: Backbone 19F-Labeled Amphotericin B for Solid-State NMR Analysis
Hiroshi Tsuchikawa, Yuichi Umegawa, Michio Murata, Tohru Oishi
Journal of Synthetic Organic Chemistry, Japan Vol. 76 No. 11 p. 1197-1205 2018年11月1日 研究論文(学術雑誌)
出版者・発行元:The Society of Synthetic Organic Chemistry, Japan
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Evaluation of diacylphospholipids as boundary lipids for bacteriorhodopsin from structural and functional aspects
Satoshi Kawatake, Yuichi Umegawa, Shigeru Matsuoka, Michio Murata, Masashi Sonoyama
Biochimica et Biophysica Acta (BBA) - Biomembranes Vol. 1858 No. 9 p. 2106-2115 2016年9月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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The Structure of the Bimolecular Complex between Amphotericin B and Ergosterol in Membranes Is Stabilized by Face-to-Face van der Waals Interaction with Their Rigid Cyclic Cores
Yasuo Nakagawa, Yuichi Umegawa, Naohiro Matsushita, Tomoya Yamamoto, Hiroshi Tsuchikawa, Shinya Hanashima, Tohru Oishi, Nobuaki Matsumori, Michio Murata
Biochemistry Vol. 55 No. 24 p. 3392-3402 2016年6月21日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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13C-TmDOTA as versatile thermometer compound for solid-state NMR of hydrated lipid bilayer membranes
Yuichi Umegawa, Yuya Tanaka, Matsumori Nobuaki, Michio Murata
Magnetic Resonance in Chemistry Vol. 54 No. 3 p. 227-233 2016年3月 研究論文(学術雑誌)
出版者・発行元:Wiley
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Role of polyol moiety of amphotericin B in ion channel formation and sterol selectivity in bilayer membrane
Tomoya Yamamoto, Yuichi Umegawa, Hiroshi Tsuchikawa, Nobuaki Matsumori, Shinya Hanashima, Michio Murata, Resul Haser, Bernard J. Rawlings, Patrick Caffrey
Bioorganic & Medicinal Chemistry Vol. 23 No. 17 p. 5782-5788 2015年9月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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Centerband-only analysis of rotor-unsynchronized spin echo for measurement of lipid31P chemical shift anisotropy
Yuichi Umegawa, Toshiyuki Yamaguchi, Michio Murata, Shigeru Matsuoka
Magnetic Resonance in Chemistry Vol. 53 No. 7 p. 514-519 2015年7月 研究論文(学術雑誌)
出版者・発行元:Wiley
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Axial Hydrogen at C7 Position and Bumpy Tetracyclic Core Markedly Reduce Sterol’s Affinity to Amphotericin B in Membrane
Yasuo Nakagawa, Yuichi Umegawa, Kenichi Nonomura, Naohiro Matsushita, Tetsuro Takano, Hiroshi Tsuchikawa, Shinya Hanashima, Tohru Oishi, Nobuaki Matsumori, Michio Murata
Biochemistry Vol. 54 No. 2 p. 303-312 2015年1月20日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Erratum: Stereoselective synthesis of the head group of archaeal phospholipid PGP-Me to investigate bacteriorhodopsin-lipid interactions (Organic and Biomolecular Chemistry (015) DOI:10.1039/ c5ob01252j)
Jin Cui, Satoshi Kawatake, Yuichi Umegawa, Sébastien Lethu, Masaki Yamagami, Shigeru Matsuoka, Fuminori Sato, Nobuaki Matsumori, Michio Murata
Organic and Biomolecular Chemistry Vol. 13 No. 42 2015年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry
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Stereoselective synthesis of the head group of archaeal phospholipid PGP-Me to investigate bacteriorhodopsin–lipid interactions
Jin Cui, Satoshi Kawatake, Yuichi Umegawa, S{\'{e } }bastien Lethu, Masaki Yamagami, Shigeru Matsuoka, Fuminori Sato, Nobuaki Matsumori, Michio Murata
Organic & Biomolecular Chemistry Vol. 13 No. 41 p. 10279-10284 2015年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry ({RSC})
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Effect of Sterol Side Chain on Ion Channel Formation by Amphotericin B in Lipid Bilayers
Yasuo Nakagawa, Yuichi Umegawa, Tetsuro Takano, Hiroshi Tsuchikawa, Nobuaki Matsumori, Michio Murata
Biochemistry Vol. 53 No. 19 p. 3088-3094 2014年5月20日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Possible conformation of amphotericin B dimer in membrane-bound assembly as deduced from solid-state NMR
Yuichi Umegawa, Takeshi Adachi, Nobuaki Matsumori, Michio Murata
Bioorganic & Medicinal Chemistry Vol. 20 No. 19 p. 5699-5704 2012年10月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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Head-to-Tail Interaction between Amphotericin B and Ergosterol Occurs in Hydrated Phospholipid Membrane
Yuichi Umegawa, Yasuo Nakagawa, Kazuaki Tahara, Hiroshi Tsuchikawa, Nobuaki Matsumori, Tohru Oishi, Michio Murata
Biochemistry Vol. 51 No. 1 p. 83-89 2012年1月10日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Ion channel complex of antibiotics as viewed by NMR
Michio Murata, Yusuke Kasai, Yuichi Umegawa, Naohiro Matsushita, Hiroshi Tsuchikawa, Nobuaki Matsumori, Tohru Oishi
Pure and Applied Chemistry Vol. 81 No. 6 p. 1123-1129 2009年5月5日 研究論文(学術雑誌)
出版者・発行元:Walter de Gruyter {GmbH}
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Ergosterol Increases the Intermolecular Distance of Amphotericin B in the Membrane-Bound Assembly As Evidenced by Solid-State NMR
Yuichi Umegawa, Nobuaki Matsumori, Tohru Oishi, Michio Murata
Biochemistry Vol. 47 No. 51 p. 13463-13469 2008年12月23日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})
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Self-Assembled Amphotericin B Is Probably Surrounded by Ergosterol: Bimolecular Interactions as Evidenced by Solid-State NMR and CD Spectra
Yusuke Kasai, Nobuaki Matsumori, Yuichi Umegawa, Shigeru Matsuoka, Hiroyuki Ueno, Hiroki Ikeuchi, Tohru Oishi, Michio Murata
Chemistry - A European Journal Vol. 14 No. 4 p. 1178-1185 2008年1月28日 研究論文(学術雑誌)
出版者・発行元:Wiley
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Amphotericin B covalent dimers with carbonyl-amino linkage: a new probe for investigating ion channel assemblies
Yuichi Umegawa, Nobuaki Matsumori, Tohru Oishi, Michio Murata
Tetrahedron Letters Vol. 48 No. 19 p. 3393-3396 2007年5月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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Membrane interaction of amphotericin B as single-length assembly examined by solid state NMR for uniformly 13C-enriched agent
Shigeru Matsuoka, Hiroki Ikeuchi, Yuichi Umegawa, Nobuaki Matsumori, Michio Murata
Bioorganic & Medicinal Chemistry Vol. 14 No. 19 p. 6608-6614 2006年10月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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Bioactive fluorinated derivative of amphotericin B
Nobuaki Matsumori, Yuichi Umegawa, Tohru Oishi, Michio Murata
Bioorganic & Medicinal Chemistry Letters Vol. 15 No. 15 p. 3565-3567 2005年8月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}