1
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Seo WM, Ballesteros M, Tsui EY. Sulfane Decreases the Nucleophilic Reactivity of Zinc Thiolates: Implications for Biological Reactive Sulfur Species. J Am Chem Soc 2022; 144:20630-20640. [DOI: 10.1021/jacs.2c07380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- W.T. Michael Seo
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana46556, United States
| | - Moises Ballesteros
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana46556, United States
| | - Emily Y. Tsui
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana46556, United States
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2
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Abstract
The synthesis and a detailed reactivity study of a binuclear zinc(II) bis(benzenethiolate) complex, [Zn2(BPMP)(SPh)2]+ (4), and an unprecedented binuclear zinc(II) pentasulfido complex, [Zn2(BPMP)(μ2-S5)]+ (6), are presented. While one-electron oxidation of the coordinated benzenethiolate ligands in 4 by Cp2Fe+ produces diphenyl disulfide and [Zn2(BPMP)(μ2-OH)]2+ (5), a two-electron redox reaction between coordinated benzenethiolate ligands in 4 and elemental S (S8) generated diphenyl disulfide and the binuclear zinc(II) pentasulfido complex 6. Complex 6 features a chelating, dianionic, pentasulfido (S52-) chain and can consume up to a maximum of 3 equiv of PPh3 to generate Ph3PS and 5, while the reaction of 6 with 1 equiv of diphenylphosphinoethane allowed the isolation of [Zn2(BPMP)(μ2-S4)]+ (7). A proteolysis reaction of the coordinated S52- chain in 6 with fluoroboric acid (HBF4), benzoic acid (PhCOOH), and thioacetic acid (MeCOSH) generates the complexes [Zn2(BPMP)(MeCN)2]3+ (1), [Zn2(BPMP)(μ2-PhCOO)2]+ (8), and [Zn2(BPMP)(μ2-SCOMe)2]+ (9), respectively, while the protonated S52- chain liberates S8 and hydrogen sulfide (H2S). Finally, the transfer of the coordinated benzenethiolate ligands in 4 and the S52- chain in 6 to selected organic compounds, namely, PhCH2Br and PhC(O)Cl, for the generation of various organosulfur compounds is demonstrated.
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Affiliation(s)
- Kamal Hossain
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Amit Majumdar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
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3
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Cordeiro LL, Dmitrenko O, Yap GPA, Riordan CG. Synthesis and Reactivity Studies of a Series of Nickel(II) Arylchalcogenolates. Inorg Chem 2021; 60:6327-6338. [PMID: 33851821 DOI: 10.1021/acs.inorgchem.1c00066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Two series of high-spin nickel complexes, [TpPh,Me]Ni(EAr) (E = O, Se, Te; Ar = C6H5) and [TpPh,Me]Ni(SeC6H4-4-X) (X = H, Cl, Me, OMe), were prepared by metathetical reaction of the nickel(II) halide precursor with sodium salts of the corresponding chalcogen, NaEAr. X-ray crystallographic characterization and spectroscopic studies have established the geometric and electronic structures of these complexes. The observed spectroscopic and structural characteristics reveal distinct trends in accordance with the variation of the identity of the arylchalcogenolate and para substituent. Reaction of the [TpPh,Me]Ni(EAr) complexes with methyl iodide proceeded readily, producing the corresponding methylarylchalcogen and [TpPh,Me]NiI. A kinetic and computational analysis of the reaction of [TpPh,Me]Ni(SeC6H5) with MeI supports that the electrophilic alkylation reactions occur via an associative mechanism via a classical SN2 transition state.
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Affiliation(s)
- Lauren L Cordeiro
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Olga Dmitrenko
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Glenn P A Yap
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Charles G Riordan
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
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4
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de Araujo AD, Nguyen HT, Fairlie DP. Late-Stage Hydrocarbon Conjugation and Cyclisation in Synthetic Peptides and Proteins. Chembiochem 2021; 22:1784-1789. [PMID: 33506598 DOI: 10.1002/cbic.202000796] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/07/2021] [Indexed: 12/26/2022]
Abstract
The conventional S-alkylation of cysteine relies upon using activated electrophiles. Here we demonstrate high-yielding and selective S-alkylation and S-lipidation of cysteines in unprotected synthetic peptides and proteins by using weak electrophiles and a Zn2+ promoter. Linear or branched iodoalkanes can S-alkylate cysteine in an unprotected 38-residue Myc peptide fragment and in a 91-residue miniprotein Omomyc, thus highlighting selective late-stage synthetic modifications. Metal-assisted cysteine alkylation is also effective for incorporating dehydroalanine into unprotected peptides and for peptide cyclisation via aliphatic thioether crosslinks, including customising macrocycles to stabilise helical peptides for enhanced uptake and delivery to proteins inside cells. Chemoselective and efficient late-stage Zn2+ -promoted cysteine alkylation in unprotected peptides and proteins promises many useful applications.
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Affiliation(s)
- Aline D de Araujo
- ARC Centre of Excellence for Innovations in Peptide and Protein Science, Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Huy T Nguyen
- ARC Centre of Excellence for Innovations in Peptide and Protein Science, Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - David P Fairlie
- ARC Centre of Excellence for Innovations in Peptide and Protein Science, Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
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5
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Naskar T, Pal N, Majumdar A. Synthesis and redox reactions of binuclear zinc( ii)–thiolate complexes with elemental sulfur. NEW J CHEM 2021. [DOI: 10.1039/d1nj03012d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The synthesis, characterization and reactivity of a series of binuclear zinc(ii) complexes are described featuring the redox reaction of coordinated thiolates with elemental sulfur.
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Affiliation(s)
- Tilak Naskar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Nabhendu Pal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Amit Majumdar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
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6
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Galland M, Le Bahers T, Banyasz A, Lascoux N, Duperray A, Grichine A, Tripier R, Guyot Y, Maynadier M, Nguyen C, Gary‐Bobo M, Andraud C, Monnereau C, Maury O. A “Multi‐Heavy‐Atom” Approach toward Biphotonic Photosensitizers with Improved Singlet‐Oxygen Generation Properties. Chemistry 2019; 25:9026-9034. [DOI: 10.1002/chem.201901047] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/09/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Margaux Galland
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182Université Claude Bernard Lyon 1 69342 Lyon France
| | - Tangui Le Bahers
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182Université Claude Bernard Lyon 1 69342 Lyon France
| | - Akos Banyasz
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182Université Claude Bernard Lyon 1 69342 Lyon France
| | - Noëlle Lascoux
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182Université Claude Bernard Lyon 1 69342 Lyon France
| | - Alain Duperray
- INSERM, U1209Université Grenoble Alpes, IAB 38000 Grenoble France
| | - Alexei Grichine
- INSERM, U1209Université Grenoble Alpes, IAB 38000 Grenoble France
| | - Raphaël Tripier
- UFR des Sciences et TechniquesUniv Brest, UMR CNRS-UBO 6521 CEMCA, IBSAM 6 avenue Victor le Gorgeu, C.S. 93837 29238 Brest, Cedex 3 France
| | - Yannick Guyot
- Univ. LyonInstitut Lumière Matière, UMR 5306 CNRS-Université Claude Bernard Lyon 1 10 rue Ada Byron 69622 Villeurbanne Cedex France
| | | | - Christophe Nguyen
- Faculté de PharmacieInstitut de Biomolécules Max Mousseron, UMR 5247 CNRS-UM 15 Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Magali Gary‐Bobo
- Faculté de PharmacieInstitut de Biomolécules Max Mousseron, UMR 5247 CNRS-UM 15 Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Chantal Andraud
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182Université Claude Bernard Lyon 1 69342 Lyon France
| | - Cyrille Monnereau
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182Université Claude Bernard Lyon 1 69342 Lyon France
| | - Olivier Maury
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182Université Claude Bernard Lyon 1 69342 Lyon France
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7
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Mazmanian K, Dudev T, Lim C. How First Shell–Second Shell Interactions and Metal Substitution Modulate Protein Function. Inorg Chem 2018; 57:14052-14061. [DOI: 10.1021/acs.inorgchem.8b01029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Karine Mazmanian
- Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
- Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 10617, Taiwan
- Taiwan and Institute of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
| | - Todor Dudev
- Faculty of Chemistry and Pharmacy, Sofia University, Sofia 1164, Bulgaria
| | - Carmay Lim
- Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
- Department of Chemistry, National Tsing Hua University, Hsinchu 300, Taiwan
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8
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Bui AT, Beyler M, Grichine A, Duperray A, Mulatier JC, Guyot Y, Andraud C, Tripier R, Brasselet S, Maury O. Near infrared two photon imaging using a bright cationic Yb(iii) bioprobe spontaneously internalized into live cells. Chem Commun (Camb) 2018; 53:6005-6008. [PMID: 28516180 DOI: 10.1039/c7cc02835k] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An Yb(iii) complex based on a dimethyl cyclen macrocyclic ligand functionalized by charge transfer antennae was prepared. This cationic [YbL3]+ complex is stable and soluble in water and presents interesting photophysical nonlinear properties. It is spontaneously internalized and accumulates in live cells. High quality images have been obtained both in a classical NIR-to-vis configuration and in the more challenging NIR-to-NIR one.
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Affiliation(s)
- Anh Thy Bui
- Univ. Lyon, Ecole Normale Supérieure de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, Laboratoire de Chimie, 46 allée d'Italie, 69364 Lyon, France.
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9
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Maiti BK, Almeida RM, Moura I, Moura JJ. Rubredoxins derivatives: Simple sulphur-rich coordination metal sites and its relevance for biology and chemistry. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.10.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Chalcogen bonding interactions between reducible sulfur and selenium compounds and models of zinc finger proteins. J Inorg Biochem 2016; 157:94-103. [DOI: 10.1016/j.jinorgbio.2016.01.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Revised: 01/07/2016] [Accepted: 01/09/2016] [Indexed: 02/04/2023]
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11
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Carrano CJ. A Family of Homo- and Heteroscorpionate Ligands: Applications to Bioinorganic Chemistry. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201501476] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Carl J. Carrano
- Department of Chemistry and Biochemistry; San Diego State University; 92182-1030 San Diego CA USA
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12
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Isaia F, Aragoni MC, Arca M, Bettoschi A, Caltagirone C, Castellano C, Demartin F, Lippolis V, Pivetta T, Valletta E. Zinc(II)-methimazole complexes: synthesis and reactivity. Dalton Trans 2015; 44:9805-14. [PMID: 25928254 DOI: 10.1039/c5dt00917k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The tetrahedral S-coordinated complex [Zn(MeImHS)4](ClO4)2, synthesised from the reaction of [Zn(ClO4)2] with methimazole (1-methyl-3H-imidazole-2-thione, MeImHS), reacts with triethylamine to yield the homoleptic complex [Zn(MeImS)2] (MeImS = anion methimazole). ESI-MS and MAS (13)C-NMR experiments supported MeImS acting as a (N,S)-chelating ligand. The DFT-optimised structure of [Zn(MeImS)2] is also reported and the main bond lengths compared to those of related Zn-methimazole complexes. The complex [Zn(MeImS)2] reacts under mild conditions with methyl iodide and separates the novel complex [Zn(MeImSMe)2I2] (MeImSMe = S-methylmethimazole). X-ray diffraction analysis of the complex shows a ZnI2N2 core, with the methyl thioethers uncoordinated to zinc. Conversely, the reaction of [Zn(MeImS)2] with hydroiodic acid led to the formation of the complex [Zn(MeImHS)2I2] having a ZnI2S2 core with the neutral methimazole units S-coordinating the metal centre. The Zn-coordinated methimazole can markedly modify the coordination environment when changing from its thione to thionate form and vice versa. The study of the interaction of the drug methimazole with the complex [Zn(MeIm)4](2+) (MeIm = 1-methylimidazole) - as a model for Zn-enzymes containing a N4 donor set from histidine residues - shows that methimazole displaces only one of the coordinated MeIm molecules; the formation constant of the mixed complex [Zn(MeIm)3(MeImHS)](2+) was determined.
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Affiliation(s)
- Francesco Isaia
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria, 09042 Monserrato (CA), Italy.
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13
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Yu Y, Mukherjee S, van der Donk WA. Product Formation by the Promiscuous Lanthipeptide Synthetase ProcM is under Kinetic Control. J Am Chem Soc 2015; 137:5140-8. [PMID: 25803126 DOI: 10.1021/jacs.5b01409] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Lanthipeptides are natural products that belong to the family of ribosomally synthesized and post-translationally modified peptides (RiPPs). They contain characteristic lanthionine (Lan) or methyllanthionine (MeLan) structures that contribute to their diverse biological activities. Despite its structurally diverse set of 30 substrates, the highly substrate-tolerant lanthipeptide synthetase ProcM is shown to display high selectivity for formation of a single product from selected substrates. Mutation of the active site zinc ligands to alanine or the unique zinc ligand Cys971 to histidine resulted in a decrease of the cyclization rate, especially for the second cyclization of the substrates ProcA1.1, ProcA2.8, and ProcA3.3. Surprisingly, for ProcA3.3 these mutations also altered the regioselectivity of cyclization resulting in a new major product. ProcM was not able to correct the ring topology of incorrectly cyclized intermediates and products, suggesting that thermodynamic control is not operational. Collectively, the data in this study suggest that the high regioselectivity of product formation is governed by the selectivity of the initially formed ring.
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Affiliation(s)
- Yi Yu
- †Department of Biochemistry, ‡Department of Chemistry, and §Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave. Urbana, Illinois 61801, United States
| | - Subha Mukherjee
- †Department of Biochemistry, ‡Department of Chemistry, and §Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave. Urbana, Illinois 61801, United States
| | - Wilfred A van der Donk
- †Department of Biochemistry, ‡Department of Chemistry, and §Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave. Urbana, Illinois 61801, United States
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14
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Deb T, Jensen MP. Electrophilic alkylation of pseudotetrahedral nickel(II) arylthiolate complexes. Inorg Chem 2015; 54:87-96. [PMID: 25494529 DOI: 10.1021/ic5018328] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A kinetic study is reported for reactions of pseudotetrahedral nickel(II) arylthiolate complexes [(Tp(R,Me))Ni-SAr] (Tp(R,Me) = hydrotris{3-R-5-methyl-1-pyrazolyl}borate, R = Me, Ph, and Ar = C6H5, C6H4-4-Cl, C6H4-4-Me, C6H4-4-OMe, 2,4,6-Me3C6H2, 2,4,6-(i)Pr3C6H2) with organic electrophiles R'X (i.e., MeI, EtI, BzBr) in low-polarity organic solvents (toluene, THF, chloroform, dichloromethane, or 1,2-dichloroethane), yielding a pseudotetrahedral halide complex [(Tp(R,Me))Ni-X] (X = Cl, Br, I) and the corresponding organosulfide R'SAr. Competitive reactions with halogenated solvents and adventitious air were also examined. Akin to reactions of analogous and biomimetic zinc complexes, a pertinent mechanistic question is the nature of the reactive nucleophile, either an intact thiolate complex or a free arylthiolate resulting from a dissociative pre-equilibrium. The observed kinetics conformed to a second-order rate law, first order with respect to the complex and electrophile, and no intermediate complexes were observed. In the absence of a mechanistically diagnostic rate law, a variety of mechanistic probes were examined, including kinetic effects of varying the metal, solvent, electrophile, and temperature, as well as the 3-pyrazolyl and arylthiolate substituents. Compared to zinc analogues, the effect of Ni-SAr covalency is also of interest herein. The results are broadly interpreted with respect to the disparate mechanistic pathways.
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Affiliation(s)
- Tapash Deb
- Department of Chemistry and Biochemistry, Ohio University , Athens, Ohio 45701, United States
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15
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Daniel AG, Farrell NP. The dynamics of zinc sites in proteins: electronic basis for coordination sphere expansion at structural sites. Metallomics 2014; 6:2230-41. [PMID: 25329367 DOI: 10.1039/c4mt00213j] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The functional role assumed by zinc in proteins is closely tied to the variable dynamics around its coordination sphere arising by virtue of its flexibility in bonding. Modern experimental and computational methods allow the detection and study of previously unknown features of bonding between zinc and its ligands in protein environment. These discoveries are occurring just in time as novel biological functions of zinc, which involve rather unconventional coordination trends, are emerging. In this sense coordination sphere expansion of structural zinc sites, as observed in our previous experiments, is a novel phenomenon. Here we explore the electronic and structural requirements by simulating this phenomenon in structural zinc sites using DFT computations. For this purpose, we have chosen MPW1PW91 and a mixed basis set combination as the DFT method through benchmarking, because it accurately reproduces structural parameters of experimentally characterized zinc compounds. Using appropriate models, we show that the greater ionic character of zinc coordination would allow for coordination sphere expansion if the steric and electrostatic repulsions of the ligands are attenuated properly. Importantly, through the study of electronic and structural aspects of the models used, we arrive at a comprehensive bonding model, explaining the factors that influence coordination of zinc in proteins. The proposed model along with the existing knowledge would enhance our ability to predict zinc binding sites in proteins, which is today of growing importance given the predicted enormity of the zinc proteome.
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Affiliation(s)
- A Gerard Daniel
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA.
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16
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Biela A, Coste F, Culard F, Guerin M, Goffinont S, Gasteiger K, Cieśla J, Winczura A, Kazimierczuk Z, Gasparutto D, Carell T, Tudek B, Castaing B. Zinc finger oxidation of Fpg/Nei DNA glycosylases by 2-thioxanthine: biochemical and X-ray structural characterization. Nucleic Acids Res 2014; 42:10748-61. [PMID: 25143530 PMCID: PMC4176347 DOI: 10.1093/nar/gku613] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
DNA glycosylases from the Fpg/Nei structural superfamily are base excision repair enzymes involved in the removal of a wide variety of mutagen and potentially lethal oxidized purines and pyrimidines. Although involved in genome stability, the recent discovery of synthetic lethal relationships between DNA glycosylases and other pathways highlights the potential of DNA glycosylase inhibitors for future medicinal chemistry development in cancer therapy. By combining biochemical and structural approaches, the physical target of 2-thioxanthine (2TX), an uncompetitive inhibitor of Fpg, was identified. 2TX interacts with the zinc finger (ZnF) DNA binding domain of the enzyme. This explains why the zincless hNEIL1 enzyme is resistant to 2TX. Crystal structures of the enzyme bound to DNA in the presence of 2TX demonstrate that the inhibitor chemically reacts with cysteine thiolates of ZnF and induces the loss of zinc. The molecular mechanism by which 2TX inhibits Fpg may be generalized to all prokaryote and eukaryote ZnF-containing Fpg/Nei-DNA glycosylases. Cell experiments show that 2TX can operate in cellulo on the human Fpg/Nei DNA glycosylases. The atomic elucidation of the determinants for the interaction of 2TX to Fpg provides the foundation for the future design and synthesis of new inhibitors with high efficiency and selectivity.
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Affiliation(s)
- Artur Biela
- Centre de Biophysique Moléculaire, UPR4301, CNRS, rue Charles Sadron, 45100 Orléans cedex02, France Institute of Biochemistry and Biophysics PAS, Pawinskiego 5A, 02-106 Warsaw, Poland
| | - Franck Coste
- Centre de Biophysique Moléculaire, UPR4301, CNRS, rue Charles Sadron, 45100 Orléans cedex02, France
| | - Françoise Culard
- Centre de Biophysique Moléculaire, UPR4301, CNRS, rue Charles Sadron, 45100 Orléans cedex02, France
| | - Martine Guerin
- Centre de Biophysique Moléculaire, UPR4301, CNRS, rue Charles Sadron, 45100 Orléans cedex02, France
| | - Stéphane Goffinont
- Centre de Biophysique Moléculaire, UPR4301, CNRS, rue Charles Sadron, 45100 Orléans cedex02, France
| | - Karola Gasteiger
- Department of Chemistry, Ludwig-Maximilians-Universität (LMU), Butenandtstr. 5-13 (Haus F), München D-81377, Germany
| | - Jarosław Cieśla
- Institute of Biochemistry and Biophysics PAS, Pawinskiego 5A, 02-106 Warsaw, Poland
| | - Alicja Winczura
- Institute of Biochemistry and Biophysics PAS, Pawinskiego 5A, 02-106 Warsaw, Poland
| | - Zygmunt Kazimierczuk
- Institute of Chemistry, Warsaw University of Life Sciences, 159C Nowoursynowska St., 02-787 Warsaw, Poland
| | - Didier Gasparutto
- Laboratoire Lésions des Acides Nucléiques, SCIB/UMR E3 CEA-UJF, INAC, CEA, Grenoble, France
| | - Thomas Carell
- Department of Chemistry, Ludwig-Maximilians-Universität (LMU), Butenandtstr. 5-13 (Haus F), München D-81377, Germany
| | - Barbara Tudek
- Institute of Biochemistry and Biophysics PAS, Pawinskiego 5A, 02-106 Warsaw, Poland Institute of Genetics and Biotechnology, Warsaw University, Pawinskiego 5a, 02-106 Warsaw, Poland
| | - Bertrand Castaing
- Centre de Biophysique Moléculaire, UPR4301, CNRS, rue Charles Sadron, 45100 Orléans cedex02, France
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17
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Soulié M, Latzko F, Bourrier E, Placide V, Butler SJ, Pal R, Walton JW, Baldeck PL, Le Guennic B, Andraud C, Zwier JM, Lamarque L, Parker D, Maury O. Comparative Analysis of Conjugated Alkynyl Chromophore-Triazacyclononane Ligands for Sensitized Emission of Europium and Terbium. Chemistry 2014; 20:8636-46. [DOI: 10.1002/chem.201402415] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Indexed: 12/26/2022]
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18
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Shuvaev S, Utochnikova V, Marciniak Ł, Freidzon A, Sinev I, Van Deun R, Freire RO, Zubavichus Y, Grünert W, Kuzmina N. Lanthanide complexes with aromatic o-phosphorylated ligands: synthesis, structure elucidation and photophysical properties. Dalton Trans 2014; 43:3121-36. [DOI: 10.1039/c3dt52600c] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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19
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Lee YM, Wang YT, Duh Y, Yuan HS, Lim C. Identification of Labile Zn Sites in Drug-Target Proteins. J Am Chem Soc 2013; 135:14028-31. [DOI: 10.1021/ja406300c] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
| | | | | | | | - Carmay Lim
- Department of
Chemistry, National Tsing Hua University, Hsinchu 300, Taiwan
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20
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Chen TT, Chen YS, Chang YH, Wang JC, Tsai YF, Lee GH, Kuo TS, Hsu HF. Activation of dichloromethane by a V(iii) thiolate complex: an example of S-based nucleophilic reactivity in an early transition metal thiolate. Chem Commun (Camb) 2013; 49:1109-11. [DOI: 10.1039/c2cc37801a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Zheng AX, Si J, Tang XY, Miao LL, Yu M, Hou KP, Wang F, Li HX, Lang JP. Reactions of the Cationic Zinc Thiolate Model Complex [Zn(Tab)4](PF6)2 with N-Donor Ligands and Cobalt Dichloride. Inorg Chem 2012; 51:10262-73. [DOI: 10.1021/ic301191n] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ai-Xia Zheng
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 210093, People’s Republic of China
| | - Jing Si
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Xiao-Yan Tang
- Jiangsu Laboratory of Advanced Functional Materials, Changshu Institute of Technology, Changshu 215500,
People’s Republic of China
| | - Li-Li Miao
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Miao Yu
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Kai-Peng Hou
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Fan Wang
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Hong-Xi Li
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
| | - Jian-Ping Lang
- College of
Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s
Republic of China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 210093, People’s Republic of China
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22
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Isaac M, Latour JM, Sénèque O. Nucleophilic reactivity of Zinc-bound thiolates: subtle interplay between coordination set and conformational flexibility. Chem Sci 2012. [DOI: 10.1039/c2sc21029k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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23
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Börner J, dos Santos Vieira I, Jones MD, Döring A, Kuckling D, Flörke U, Herres-Pawlis S. Zinc Complexes with Guanidine-Pyridine Hybrid Ligands - Guanidine Effect and Catalytic Activity. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100540] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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24
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Kassim R, Ramseyer C, Enescu M. Oxidation of Zinc–Thiolate Complexes of Biological Interest by Hydrogen Peroxide: A Theoretical Study. Inorg Chem 2011; 50:5407-16. [DOI: 10.1021/ic200267x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rima Kassim
- Centre de Recherche Universitaire de Djibouti (CRUD), University of Djibouti, Avenue Georges Clemenceau, Djibouti
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25
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Lee YM, Lim C. Factors Controlling the Reactivity of Zinc Finger Cores. J Am Chem Soc 2011; 133:8691-703. [DOI: 10.1021/ja202165x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yu-Ming Lee
- Department of Chemistry, National Tsing Hua University, Hsinchu 300, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Carmay Lim
- Department of Chemistry, National Tsing Hua University, Hsinchu 300, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
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26
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Quintal SM, dePaula QA, Farrell NP. Zinc finger proteins as templates for metal ion exchange and ligand reactivity. Chemical and biological consequences. Metallomics 2011; 3:121-39. [PMID: 21253649 DOI: 10.1039/c0mt00070a] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Zinc finger reactions with inorganic ions and coordination compounds are as diverse as the zinc fingers themselves. Use of metal ions such as Co(2+) and Cd(2+) has given structural, thermodynamic and kinetic information on zinc fingers and zinc-finger-DNA/RNA interactions. It is a general truism that alteration of the coordination sphere in the finger environment will disrupt the recognition with DNA/RNA and this has implications for mechanism of toxicity and carcinogenesis of metal ions. Structural zinc fingers are susceptible to electrophilic attack and the recognition that the coordination sphere of inorganic compounds may be modulated for control of electrophilic attack on zinc fingers raises the possibility of systematic studies of zinc fingers as drug targets using inorganic chemistry. Some inorganic compounds such as those of As(III) and Au(I) may exert their biological effects through inactivation of zinc fingers and novel approaches to specifically attack the zinc-bound ligands using Co(III)-Schiff bases and Platinum(II)-Nucleobase compounds have been proposed. The genomic importance of zinc fingers suggests that the "coordination chemistry" of zinc fingers themselves is ripe for exploration to design new targets for medicinal inorganic chemistry.
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Affiliation(s)
- Susana M Quintal
- Department of Chemistry, Virginia Commonwealth University, 1001 W. Main St., Richmond, VA 23284-2006, USA
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27
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Börner J, dos Santos Vieira I, Pawlis A, Döring A, Kuckling D, Herres‐Pawlis S. Mechanism of the Living Lactide Polymerization Mediated by Robust Zinc Guanidine Complexes. Chemistry 2011; 17:4507-12. [DOI: 10.1002/chem.201002690] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2010] [Indexed: 11/10/2022]
Affiliation(s)
- Janna Börner
- Department Chemie, Anorganische Chemie, Universität Paderborn, Warburger Strasse 100, 33098 Paderborn (Germany)
| | - Ines dos Santos Vieira
- Fakultät Chemie, Anorganische Chemie II, Technische Universität Dortmund, 44221 Dortmund (Germany), Fax: (+49) 231‐7555048
| | - Alexander Pawlis
- Department Physik, Universität Paderborn, Warburger Strasse 100, 33098 Paderborn (Germany)
| | - Artjom Döring
- Department Chemie, Organische Chemie, Universität Paderborn, Warburger Strasse 100, 33098 Paderborn (Germany)
| | - Dirk Kuckling
- Department Chemie, Organische Chemie, Universität Paderborn, Warburger Strasse 100, 33098 Paderborn (Germany)
| | - Sonja Herres‐Pawlis
- Fakultät Chemie, Anorganische Chemie II, Technische Universität Dortmund, 44221 Dortmund (Germany), Fax: (+49) 231‐7555048
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28
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Börner J, dos Santos Vieira I, Flörke U, Döring A, Kuckling D, Herres-Pawlis S. Zinc Complexes with Mono- and Polydentate Behaving Guanidine Ligands and Their Application in Lactide Polymerization. ACS SYMPOSIUM SERIES 2011. [DOI: 10.1021/bk-2011-1063.ch011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Janna Börner
- Department of Chemistry, Inorganic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
- Department of Chemistry, Inorganic Chemistry II, Technische Universität Dortmund, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
- Department of Chemistry, Organic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
| | - Ines dos Santos Vieira
- Department of Chemistry, Inorganic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
- Department of Chemistry, Inorganic Chemistry II, Technische Universität Dortmund, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
- Department of Chemistry, Organic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
| | - Ulrich Flörke
- Department of Chemistry, Inorganic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
- Department of Chemistry, Inorganic Chemistry II, Technische Universität Dortmund, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
- Department of Chemistry, Organic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
| | - Artjom Döring
- Department of Chemistry, Inorganic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
- Department of Chemistry, Inorganic Chemistry II, Technische Universität Dortmund, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
- Department of Chemistry, Organic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
| | - Dirk Kuckling
- Department of Chemistry, Inorganic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
- Department of Chemistry, Inorganic Chemistry II, Technische Universität Dortmund, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
- Department of Chemistry, Organic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
| | - Sonja Herres-Pawlis
- Department of Chemistry, Inorganic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
- Department of Chemistry, Inorganic Chemistry II, Technische Universität Dortmund, Otto-Hahn-Str. 6, 44227 Dortmund, Germany
- Department of Chemistry, Organic Chemistry, Universität Paderborn Warburger Str. 100, 33098 Paderborn, Germany
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29
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Varonka MS, Warren TH. S-nitrosothiol and nitric oxide reactivity at zinc thiolates. Inorg Chem 2010; 48:5605-7. [PMID: 19469478 DOI: 10.1021/ic900664r] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
S-Nitrosothiols undergo reversible transnitrosation reactions at tris(pyrazolyl)boratozinc thiolates (iPr2)TpZn-SR. These zinc thiolates are unreactive toward anaerobic NO but rapidly react with NO in the presence of O(2) or anaerobically with NO(2) to release the S-nitrosothiol RSNO with formation of the corresponding zinc nitrate.
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Affiliation(s)
- Matthew S Varonka
- Department of Chemistry, Georgetown University, Box 571227, Washington, DC 20057, USA
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30
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Sousa SF, Carvalho ES, Ferreira DM, Tavares IS, Fernandes PA, Ramos MJ, Gomes JANF. Comparative analysis of the performance of commonly available density functionals in the determination of geometrical parameters for zinc complexes. J Comput Chem 2010; 30:2752-63. [PMID: 19399915 DOI: 10.1002/jcc.21304] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A set of 44 Zinc-ligand bond-lengths and of 60 ligand-metal-ligand bond angles from 10 diverse transition-metal complexes, representative of the coordination spheres of typical biological Zn systems, were used to evaluate the performance of a total of 18 commonly available density functionals in geometry determination. Five different basis sets were considered for each density functional, namely two all-electron basis sets (a double-zeta and triple-zeta formulation) and three basis sets including popular types of effective-core potentials: Los Alamos, Steven-Basch-Krauss, and Stuttgart-Dresden. The results show that there are presently several better alternatives to the popular B3LYP density functional for the determination of Zn-ligand bond-lengths and angles. BB1K, MPWB1K, MPW1K, B97-2 and TPSS are suggested as the strongest alternatives for this effect presently available in most computational chemistry software packages. In addition, the results show that the use of effective-core potentials (in particular Stuttgart-Dresden) has a very limited impact, in terms of accuracy, in the determination of metal-ligand bond-lengths and angles in Zinc-complexes, and is a good and safe alternative to the use of an all-electron basis set such as 6-31G(d) or 6-311G(d,p).
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Affiliation(s)
- Sérgio F Sousa
- REQUIMTE, Departamento de Química, Faculdade de Ciõncias, Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal
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31
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Affiliation(s)
- Wolfgang Maret
- Department of Preventive Medicine & Community Health, The University of Texas Medical Branch, Galveston, Texas 77555-1109, USA.
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Frison G, Ohanessian G. Metal-histidine-glutamate as a regulator of enzymatic cycles: a case study of carbonic anhydrase. Phys Chem Chem Phys 2009; 11:374-83. [DOI: 10.1039/b812916a] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Picot D, Ohanessian G, Frison G. Thermodynamic Stability Versus Kinetic Lability of ZnS4Core. Chem Asian J 2008; 5:1445-54. [DOI: 10.1002/asia.200900624] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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