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Maho Yagi-Utsumi
Nagoya City University
31Publications
13H-index
560Citations
Publications 31
Newest
Published on Jun 1, 2019
Yasuhiro Yunoki1
Estimated H-index: 1
(Nagoya City University),
Kentaro Ishii (Nagoya City University)+ 4 AuthorsKoichi Kato50
Estimated H-index: 50
(Nagoya City University)
The cyanobacterial clock is controlled via the interplay among KaiA, KaiB, and KaiC, which generate a periodic oscillation of KaiC phosphorylation in the presence of ATP. KaiC forms a homohexamer harboring 12 ATP-binding sites and exerts ATPase activities associated with its autophosphorylation and dephosphorylation. The KaiC nucleotide state is a determining factor of the KaiB–KaiC interaction; however, its relationship with the KaiA–KaiC interaction has not yet been elucidated. With the attemp...
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Published on Jun 1, 2019in Biological & Pharmaceutical Bulletin 1.54
Maho Yagi-Utsumi13
Estimated H-index: 13
(Nagoya City University)
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Published on May 7, 2019in International Journal of Molecular Sciences 4.18
Tadashi Satoh15
Estimated H-index: 15
,
Maho Yagi-Utsumi13
Estimated H-index: 13
+ 3 AuthorsKoichi Kato50
Estimated H-index: 50
The 26S proteasome is critical for the selective degradation of proteins in eukaryotic cells. This enzyme complex is composed of approximately 70 subunits, including the structurally homologous proteins α1–α7, which combine to form heptameric rings. The correct arrangement of these α subunits is essential for the function of the proteasome, but their assembly does not occur autonomously. Assembly of the α subunit is assisted by several chaperones, including the PAC3-PAC4 heterodimer. In this stu...
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Published on Sep 27, 2018in bioRxiv
Mahesh S. Chandak (National Institutes of Natural Sciences, Japan), テツオ ナカムラ149
Estimated H-index: 149
+ 3 AuthorsKunihiro Kuwajima34
Estimated H-index: 34
(UTokyo: University of Tokyo)
The characterization of residual structures persistent in unfolded proteins in concentrated denaturant solution is currently an important issue in studies of protein folding, because the residual structure present, if any, in the unfolded state may form a folding initiation site and guide the subsequent folding reactions. Here, we thus studied the hydrogen/deuterium (H/D)-exchange behavior of unfolded ubiquitin in 6.0 M guanidinium chloride at pH 2.6 and 20°C. We employed a dimethylsulfoxide (DM...
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Published on Apr 23, 2017
Maho Yagi-Utsumi13
Estimated H-index: 13
(Nagoya City University),
Takumi Yamaguchi15
Estimated H-index: 15
(Nagoya City University)
+ 1 AuthorsKoichi Kato50
Estimated H-index: 50
(Nagoya City University)
Glycosphingolipids, including gangliosides, can form clusters on membranes and thereby mediate a variety of physiological and pathological functions. This chapter illustrates recent nuclear magnetic resonance (NMR) approaches for elucidating the molecular mechanisms underlying the functional roles of glycosphingolipid clusters, particularly focusing on the conformational dynamics and interactions of gangliosides. Dynamic conformational ensembles of ganglioside glycans in solution have been eluci...
1 Citations Source Cite
Published on Oct 1, 2015in Biomolecular Nmr Assignments 0.58
Hirokazu Yagi20
Estimated H-index: 20
(Nagoya City University),
Ying Zhang7
Estimated H-index: 7
(Nagoya City University)
+ 4 AuthorsKoichi Kato50
Estimated H-index: 50
(Nagoya City University)
The Fc portion of immunoglobulin G (IgG) recruits complements and its cognate receptors, thereby promoting defensive mechanisms in the humoral immune system. These effector functions critically depend on N-glycosylation at the Fc region, which is therefore regarded as a crucial factor in the design and production of therapeutic antibodies. NMR spectroscopy plays a unique role in the characterization of conformational dynamics and intermolecular interactions of IgG-Fc in solutions. Here, we repor...
14 Citations Source Cite
Published on Mar 1, 2015in Nature Structural & Molecular Biology 12.11
Yu Kitago10
Estimated H-index: 10
,
Masamichi Nagae12
Estimated H-index: 12
+ 6 AuthorsJunichi Takagi47
Estimated H-index: 47
The neuronal sorting receptor SorLA protects against Alzheimer's disease by binding Aβ peptides. Three new structures of the Vps10p Aβ-binding domain in ligand-free and ligand-bound forms explain the basis of SorLA peptide recognition.
20 Citations Source Cite
Published on Jan 1, 2015in Advances in Experimental Medicine and Biology 2.13
Ying Zhang7
Estimated H-index: 7
(Nagoya City University),
Takumi Yamaguchi15
Estimated H-index: 15
(Nagoya City University)
+ 5 AuthorsKoichi Kato50
Estimated H-index: 50
Oligosaccharides play pivotal roles in physiological and pathological contexts primarily through their interactions with proteins on cell surfaces and in intracellular environments. Although crystallographic approaches provide cumulative information about the atomic details of oligosaccharides complexed with proteins, quantitative characterization of the dynamic conformation of uncomplexed oligosaccharides is essential for better understanding of the energetics of carbohydrate–protein interactio...
10 Citations Source Cite
Published on Jan 1, 2015in Chemical Communications 6.16
Sota Sato31
Estimated H-index: 31
(UTokyo: University of Tokyo),
Ryosuke Takeuchi1
Estimated H-index: 1
(UTokyo: University of Tokyo)
+ 4 AuthorsMakoto Fujita83
Estimated H-index: 83
(UTokyo: University of Tokyo)
The number of molecules constituting 1D intermolecular aggregates of the π-stacked self-assembled complex was controlled by altering the concentration and temperature. Enhanced magnetic orientation was observed for the aggregates with larger aggregation numbers. It was demonstrated that the designable complex aggregates serve as magnetic aligners to induce magnetic alignment upon an analyte protein coexisting in the solution, resulting in the observation of residual dipolar coupling (RDC) of the...
3 Citations Source Cite
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