Laboratory of Physical Chemistry, Grad. Sch. of Pharmaceutical Sciences, University of Tokyo

How does a molecule drive life?

A life is driven by a variety of biomolecules that function dynamically in an enclosed hierarchical system, such as body, tissue, and cells that retain necessary and sufficient connections to the environments. We are trying to understand how dynamic behaviors of a biomolecule drive biological functions through detailed observation and appropriate manipulation of the molecule by using nuclear magnetic resonance (NMR) and other biophysical techniques.

Latest News

2025/5/21

Publication We have published a paper in Journal of Magnetic Resonance presenting a theoretical framework for proton decoupling used in fluorine NMR.

Evaluating the effect of 1H decoupling on 19F longitudinal relaxation and signal line shape in 5-Fluorotryptophan. Toyama Y, Takeuchi K, Shimada I. J Magn Reson. 2025 Aug;377:107899. doi: 10.1016/j.jmr.2025.107899

2025/8/25

Publication A paper describing an in-cell NMR technique for the simultaneous analysis of cellular uptake and intracellular target engagement of medium-sized molecules has been published in Analytical Chemistry,

Cell Permeability and Target Engagement of Middle-Sized Molecules Quantified by In-Cell NMR. Sukigara Y, Kamoshida H, Tokunaga Y, Fujisaki M, Imai M, Kobayashi Y, Kofuku Y, Ueda T, Shimada I, Takeuchi K. Anal Chem. 2025 Aug 25. doi: 10.1021/acs.analchem.5c01494

2025/8/28

Publication A paper has been published in Nature Communications describing the molecular mechanism by which the RNA helicase DDX3X, which recognizes mRNA and regulates translation, selectively identifies specific mRNAs.

https://www.nature.com/articles/s41467-025-62806-7

2025/7/31

Publication Our paper on the target recognition mechanism of a therapeutic drug for age-related macular degeneration has been accepted for publication in the journal RNA.

Two-step target recognition for the competitive inhibition activity of an anti-VEGF aptamer. Takeuchi K, Ueda T, Imai M, Fujisaki M, Tsujimura M, Tokunaga Y, Kofuku Y, Shimada I. RNA. 2025 Jul 31:rna.080524.125. doi: 10.1261/rna.080524.125

2025/6/17

Publication A groundbreaking NMR method for observing the aromatic side chains of ultra-high molecular weight proteins was published a paper in Nature Chemistry.

Leveraging relaxation-optimized 1H-13CF correlations in 4-19F-phenylalanine as atomic beacons for probing structure and dynamics of large proteins. *Boeszoermenyi A, Radeva DL, Schindler S, Valadares V, Padmanabha Das KM, Dubey A, Viennet T, Schmitt M, Kast P, Gelev VM, Stoyanov N, Burdzhiev N, Petrov O, Ficarro S, Marto J  ...

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Laboratory name Graduate School of Pharmaceutical Sciences, the University of Tokyo
Laboratory of Physical Chemistry
Address 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
Pharmaceutical Sciences Research Building, 2nd floor
Tel & Fax+81-(3)-5841-4811

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