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Tsushima S, Kretzschmar J, Doi H, Okuwaki K, Kaneko M, Mochizuki Y, Takao K. Towards tailoring hydrophobic interaction with uranyl(VI) oxygen for C-H activation. Chem Commun (Camb) 2024; 60:4769-4772. [PMID: 38563824 DOI: 10.1039/d4cc01030b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Bovine serum albumin (BSA) has a uranyl(VI) binding hotspot where uranium is tightly bound by three carboxylates. Uranyl oxygen is "soaked" into the hydrophobic core of BSA. Isopropyl hydrogen of Val is trapped near UO22+ and upon photoexcitation, C-H bond cleavage is initiated. A unique hydrophobic contact with "yl"-oxygen, as observed here, can be used to induce C-H activation.
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Affiliation(s)
- Satoru Tsushima
- Institute of Resource Ecology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, 01328, Germany.
- International Research Frontiers Initiative (IRFI), Institute of Innovative Research, Tokyo Institute of Technology, Tokyo, 152-8550, Japan
| | - Jérôme Kretzschmar
- Institute of Resource Ecology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, 01328, Germany.
| | - Hideo Doi
- Department of Chemistry and Research Center for Smart Molecules, Rikkyo University, Tokyo, 171-8501, Japan
| | - Koji Okuwaki
- Department of Chemistry and Research Center for Smart Molecules, Rikkyo University, Tokyo, 171-8501, Japan
| | - Masashi Kaneko
- Department of Chemistry, Osaka University, Osaka, 560-0043, Japan
| | - Yuji Mochizuki
- Department of Chemistry, Osaka University, Osaka, 560-0043, Japan
- Institute of Industrial Science, The University of Tokyo, Tokyo, 153-8505, Japan
| | - Koichiro Takao
- Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology, Tokyo, 152-8550, Japan
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2
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Yan Q, Miao Y, Wang X, Ma J, Diwu J, Zhu Y, Wang S, Fan C. ssDNA functionalized nanodiamonds for uranium decorporation. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.03.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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3
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Tsushima S, Takao K. Hydrophobic core formation and secondary structure elements in uranyl(VI)-binding peptides. Phys Chem Chem Phys 2022; 24:4455-4461. [PMID: 35113097 DOI: 10.1039/d1cp05401e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Cyclic peptides as well as a modified EF-hand motif of calmodulin have been newly designed to achieve high affinity towards uranyl(VI). Cyclic peptides may be engineered to bind uranyl(VI) to its backbone under acidic conditions, which may enhance its selectivity. For the modified EF-hand motif of calmodulin, strong electrostatic interactions between uranyl(VI) and negatively charged side chains play an important role in achieving high affinity; however, it is also essential to have a secondary structure element and formation of hydrophobic cores in the metal-bound state of the peptide.
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Affiliation(s)
- Satoru Tsushima
- Institute of Resource Ecology, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), 01328, Dresden, Germany. .,World Research Hub Initiative (WRHI), Institute of Innovative Research, Tokyo Institute of Technology, 152-8550 Tokyo, Japan
| | - Koichiro Takao
- Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology, 152-8550 Tokyo, Japan
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Tong YJ, Yu LD, Huang Y, Fu Q, Li N, Peng S, Ouyang S, Ye YX, Xu J, Zhu F, Pawliszyn J, Ouyang G. Polymer Ligand-Sensitized Lanthanide Metal-Organic Frameworks for an On-Site Analysis of a Radionuclide. Anal Chem 2021; 93:9226-9234. [PMID: 34165288 DOI: 10.1021/acs.analchem.1c01490] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, a new strategy to increase the sensitivity of a lanthanide metal-organic framework (Ln-MOF) to UO22+ was proposed by using polymeric ligands. By utilizing [Tb(1,3,5-benzenetrisbenzoate)]n (Tb-TBT) MOF as the host, preloaded 2-vinyl terephthalic acid (VTP) was polymerized in situ, which produced a novel fluorescent composite denoted as PVTP⊂Tb-TBT. Benefiting from the coordination of PVTP to the Tb nodes, the polymeric chains performed both as molecular scaffolds that improved the water stability of the framework and as additional antennae that sensitized the photoluminescence of the Tb nodes. More importantly, the detection sensitivity and selectivity of PVTP⊂Tb-TBT to UO22+ were much improved compared to those of Tb-TBT. Detailed characterizations indicated that the incorporation of PVTP efficiently enriched UO22+ in the probe, which promoted the energy dissipation to UO22+. Besides, UO22+ was also supposed to release PVTP from PVTP⊂Tb-TBT and, thus, exposed the open metal sites to water molecules, which interrupted the sensitization effect of PVTP and induced a nonradiative energy dissipation. A limit of detection (LOD) as low as 0.75 nm was recorded by suspending the PVTP⊂Tb-TBT probe in a water sample, far below the limit in drinking water set by the United States Environmental Protection Agency (130 nm). Furthermore, a remotely controlled sampling and an on-site analysis of real water samples were realized by facilely loading PVTP⊂Tb-TBT on thin films (TFs). The LOD for UO22+ was 2.5 nm by using the TFs. This study reports a new strategy for boosting the sensitivity and selectivity of Ln-MOF to monitor UO22+ and expands the application of the strategy to an on-site analysis.
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Affiliation(s)
- Yuan-Jun Tong
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Lu-Dan Yu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Yanjun Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Qi Fu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Nan Li
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Sheng Peng
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Sai Ouyang
- College of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, Hunan, China
| | - Yu-Xin Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Jianqiao Xu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Fang Zhu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo N2L3G1, Ontario, Canada
| | - Gangfeng Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China.,Chemistry College, Center of Advanced Analysis and Gene Sequencing, Zhengzhou University, Kexue Avenue 100, Zhengzhou 450001, China.,Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Institute of Analysis (China National Analytical Center Guangzhou), Guangdong Academy of Sciences, 100 Xianlie Middle Road, Guangzhou 510070, China
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5
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MOCHIZUKI Y, NAKANO T, SATO S, SAKAKURA K, WATANABE H, OKUWAKI K, OHSHIMA S, KATAGIRI T. Development Status of ABINIT-MP in 2021. JOURNAL OF COMPUTER CHEMISTRY-JAPAN 2021. [DOI: 10.2477/jccj.2022-0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yuji MOCHIZUKI
- Department of Chemistry, Rikkyo University (Nishi-Ikebukuro 3-34-1, Toshima-ku, Tokyo, 171-8501, Japan)
| | - Tatsuya NAKANO
- National Institute of Health Sciences (Tonomachi 3-25-26, Kawasaki-ku, Kawasaki-shi Kanagawa, 210-951, Japan)
| | - Shinya SATO
- NEC Solution Innovators, Ltd. (Shiromi 1-4-24, NEC Kansai Building, Chuo-ku, Osaka, 540-8551, Japan)
| | - Kota SAKAKURA
- Foundation for Computational Science (Minatojima Minamicho 7-1-28 Computational Science Center Building 1F, Chuo-ku, Kobe, 650-0047, Japan)
| | - Hiromasa WATANABE
- HPC Systems Inc. (Kaigan 3-9-15 LOOP-X 8F, Minato-ku, Tokyo, 108-0022, Japan)
| | - Koji OKUWAKI
- Department of Chemistry, Rikkyo University (Nishi-Ikebukuro 3-34-1, Toshima-ku, Tokyo, 171-8501, Japan)
| | - Satoshi OHSHIMA
- Information Technology Center, Nagoya University (Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan)
| | - Takahiro KATAGIRI
- Information Technology Center, Nagoya University (Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan)
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Akisawa K, Hatada R, Okuwaki K, Mochizuki Y, Fukuzawa K, Komeiji Y, Tanaka S. Interaction analyses of SARS-CoV-2 spike protein based on fragment molecular orbital calculations. RSC Adv 2021; 11:3272-3279. [PMID: 35424290 PMCID: PMC8694004 DOI: 10.1039/d0ra09555a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 01/06/2021] [Indexed: 12/13/2022] Open
Abstract
At the stage of SARS-CoV-2 infection in human cells, the spike protein consisting of three chains, A, B, and C, with a total of 3300 residues plays a key role, and thus its structural properties and the binding nature of receptor proteins to host human cells or neutralizing antibodies has attracted considerable interest. Here, we report on interaction analyses of the spike protein in both closed (PDB-ID: 6VXX) and open (6VYB) structures, based on large-scale fragment molecular orbital (FMO) calculations at the level of up to the fourth-order Møller–Plesset perturbation with singles, doubles, and quadruples (MP4(SDQ)). Inter-chain interaction energies were evaluated for both structures, and a mutual comparison indicated considerable losses of stabilization energies in the open structure, especially in the receptor binding domain (RBD) of chain-B. The role of charged residues in inter-chain interactions was illuminated as well. By two separate calculations for the RBD complexes with angiotensin-converting enzyme 2 (ACE2) (6M0J) and B38 Fab antibody (7BZ5), it was found that the binding with ACE2 or antibody partially compensated for this stabilization loss of RBD. Visualized IFIE results seen from chain-B of spike protein.![]()
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Affiliation(s)
- Kazuki Akisawa
- Department of Chemistry and Research Center for Smart Molecules
- Faculty of Science
- Rikkyo University
- Toshima-ku
- Japan
| | - Ryo Hatada
- Department of Chemistry and Research Center for Smart Molecules
- Faculty of Science
- Rikkyo University
- Toshima-ku
- Japan
| | - Koji Okuwaki
- Department of Chemistry and Research Center for Smart Molecules
- Faculty of Science
- Rikkyo University
- Toshima-ku
- Japan
| | - Yuji Mochizuki
- Department of Chemistry and Research Center for Smart Molecules
- Faculty of Science
- Rikkyo University
- Toshima-ku
- Japan
| | - Kaori Fukuzawa
- Institute of Industrial Science
- The University of Tokyo
- Meguro-ku
- Japan
- School of Pharmacy and Pharmaceutical Sciences
| | - Yuto Komeiji
- Health and Medical Research Institute
- AIST
- Tsukuba
- Japan
| | - Shigenori Tanaka
- Graduate School of System Informatics
- Department of Computational Science
- Kobe University
- Kobe 657-8501
- Japan
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Kretzschmar J, Tsushima S, Drobot B, Steudtner R, Schmeide K, Stumpf T. Trimeric uranyl(vi)-citrate forms Na +, Ca 2+, and La 3+ sandwich complexes in aqueous solution. Chem Commun (Camb) 2020; 56:13133-13136. [PMID: 33006343 DOI: 10.1039/d0cc05460g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
M. Basile, et al., Chem. Commun., 2015, 51, 5306-5309, showed that a sodium ion is sandwiched by uranyl(vi) oxygen atoms of two 3 : 3 uranyl(vi)-citrate complex molecules in single-crystals. By means of NMR spectroscopy supported by DFT calculations we provide unambiguous evidence for this complex to persist in aqueous solution above a critical concentration of 3 mM uranyl citrate. Unprecedented Ca2+ and La3+ coordination by a bis-(η3-uranyl(vi)-oxo) motif advances the understanding of uranium's aqueous chemistry. As determined from 17O NMR, Ca2+ and more distinctly La3+ cause strong O[double bond, length as m-dash]U[double bond, length as m-dash]O polarization, which opens up new ways for uranyl(vi)-oxygen activation and functionalization.
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Affiliation(s)
- Jerome Kretzschmar
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Resource Ecology, Bautzner Landstr. 400, 01328 Dresden, Germany.
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Kato K, Honma T, Fukuzawa K. Intermolecular interaction among Remdesivir, RNA and RNA-dependent RNA polymerase of SARS-CoV-2 analyzed by fragment molecular orbital calculation. J Mol Graph Model 2020; 100:107695. [PMID: 32702590 PMCID: PMC7363421 DOI: 10.1016/j.jmgm.2020.107695] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/30/2020] [Accepted: 07/06/2020] [Indexed: 01/18/2023]
Abstract
COVID-19, a disease caused by a new strain of coronavirus (SARS-CoV-2) originating from Wuhan, China, has now spread around the world, triggering a global pandemic, leaving the public eagerly awaiting the development of a specific medicine and vaccine. In response, aggressive efforts are underway around the world to overcome COVID-19. In this study, referencing the data published on the Protein Data Bank (PDB ID: 7BV2) on April 22, we conducted a detailed analysis of the interaction between the complex structures of the RNA-dependent RNA polymerase (RdRp) of SARS-CoV-2 and Remdesivir, an antiviral drug, from the quantum chemical perspective based on the fragment molecular orbital (FMO) method. In addition to the hydrogen bonding and intra-strand stacking between complementary strands as seen in normal base pairs, Remdesivir bound to the terminus of an primer-RNA strand was further stabilized by diagonal π-π stacking with the -1A' base of the complementary strand and an additional hydrogen bond with an intra-strand base, due to the effect of chemically modified functional group. Moreover, stable OH/π interaction is also formed with Thr687 of the RdRp. We quantitatively revealed the exhaustive interaction within the complex among Remdesivir, template-primer-RNA, RdRp and co-factors, and published the results in the FMODB database.
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Affiliation(s)
- Koichiro Kato
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan; Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
| | - Teruki Honma
- RIKEN Center for Biosystems Dynamics Research, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan.
| | - Kaori Fukuzawa
- Department of Physical Chemistry, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan; Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan.
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Amplified electrochemical determination of UO 22+ based on the cleavage of the DNAzyme and DNA-modified gold nanoparticle network structure. Mikrochim Acta 2020; 187:311. [PMID: 32367432 DOI: 10.1007/s00604-020-04263-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 04/03/2020] [Indexed: 12/27/2022]
Abstract
A superior electrochemical biosensor was designed for the determination of UO22+ in aqueous solution by integration of DNAzyme and DNA-modified gold nanoparticle (DNA-AuNP) network structure. Key features of this method include UO22+ inducing the cleavage of the DNAzyme and signal amplification of DNA-AuNP network structure. In this electrochemical method, the DNA-AuNP network structure can be effectively modified on the surface of gold electrode and then employed as an ideal signal amplification unit to generate amplified electrochemical response by inserting a large amount of electrochemically active indicator methylene blue (MB). In the presence of UO22+, the specific sites on DNA-AuNP network structure can be cleaved by UO22+, releasing the DNA-AuNP network structure with detectable reduction of electrochemical response intensity. The electrochemical response intensity is related to the concentration of UO22+. The logarithm of electrochemical response intensity and UO22+ concentration showed a wide linear range of 10~100 pM, and the detection limit reached 8.1 pM (S/N = 3). This method is successfully used for determination of UO22+ in water samples. Graphical abstract Fabricated DNAzyme network structure for enhanced electrical signal. Numerical experiments show that the current signal decreases as the concentration of UO22+ increases. It can be seen that the biosensors could be used to detect UO22+ in aqueous solution effectively.
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MOCHIZUKI Y, SAKAKURA K, WATANABE H, OKUWAKI K, KATO K, WATANABE N, OKIYAMA Y, FUKUZAWA K, NAKANO T. Development Status of ABINIT-MP in 2020. JOURNAL OF COMPUTER CHEMISTRY-JAPAN 2020. [DOI: 10.2477/jccj.2021-0015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yuji MOCHIZUKI
- Department of Chemistry, Rikkyo University (Nishi-Ikebukuro 3-34-1, Toshima-ku, Tokyo, 171-8501, Japan)
- Institute of Industrial Science, The University of Tokyo (Komaba 4-6-1, Meguro-ku, Tokyo, 153-8505, Japan)
| | - Kota SAKAKURA
- Foundation for Computational Science (Minatojima Minamicho 7-1-28 Computational Science Center Building 1F, Chuo-ku, Kobe, 650-0047, Japan)
| | - Hiromasa WATANABE
- HPC Systems Inc. (Kaigan 3-9-15 LOOP-X 8F, Minato-ku, Tokyo, 108-0022, Japan)
| | - Koji OKUWAKI
- Department of Chemistry, Rikkyo University (Nishi-Ikebukuro 3-34-1, Toshima-ku, Tokyo, 171-8501, Japan)
| | - Koichiro KATO
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University (744 Moto-oka, Nishi-ku, Fukuoka, 819-0395, Japan)
| | - Naoki WATANABE
- Mizuho Information & Research Institute, Inc. (Kanda-Nishikicho 2-3, Chiyoda-ku, Tokyo, 101-8443, Japan)
| | - Yoshio OKIYAMA
- National Institute of Health Sciences (Tonomachi 3-25-26, Kawasaki-ku, Kawasaki-shi Kanagawa, 210-951, Japan)
| | - Kaori FUKUZAWA
- Institute of Industrial Science, The University of Tokyo (Komaba 4-6-1, Meguro-ku, Tokyo, 153-8505, Japan)
- School of Pharmacy and Pharmaceutical Sciences, Hoshi University (Ebara 2-4-41, Shinagawa-ku, Tokyo, 142-8501, Japan)
| | - Tatsuya NAKANO
- National Institute of Health Sciences (Tonomachi 3-25-26, Kawasaki-ku, Kawasaki-shi Kanagawa, 210-951, Japan)
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Tsushima S. Lanthanide-induced conformational change of methanol dehydrogenase involving coordination change of cofactor pyrroloquinoline quinone. Phys Chem Chem Phys 2019; 21:21979-21983. [DOI: 10.1039/c9cp03953h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Classical molecular dynamics simulations combined with fragment molecular orbital calculations were employed to rationalize the enzymatic activities of MDH carrying different lanthanides.
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Affiliation(s)
- Satoru Tsushima
- Institute of Resource Ecology
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR)
- Dresden
- Germany
- Tokyo Tech World Research Hub Initiative (WRHI)
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