1
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Hossain K, Atta S, Chakraborty AB, Karmakar S, Majumdar A. Nonheme binuclear transition metal complexes with hydrosulfide and polychalcogenides. Chem Commun (Camb) 2024; 60:4979-4998. [PMID: 38654604 DOI: 10.1039/d4cc00929k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
The intriguing chemistry of chalcogen (S, Se)-containing ligands and their capability to bridge multiple metal centres have resulted in a plethora of reports on transition metal complexes featuring hydrosulfide (HS-) and polychalcogenides (En2-, E = S, Se). While a large number of such molecules are strictly organometallic complexes, examples of non-organometallic complexes featuring HS- and En2- with N-/O-donor ligands are relatively rare. The general synthetic procedure for the transition metal-hydrosulfido complexes involves the reaction of the corresponding metal salts with HS-/H2S and this is prone to generate sulfido bridged oligomers in the absence of sterically demanding ligands. On the other hand, the synthetic methods for the preparation of transition metal-polychalcogenido complexes include the reaction of the corresponding metal salts with En2- or the two electron oxidation of low-valent metals with elemental chalcogen, often at an elevated temperature and/or for a long time. Recently, we have developed new synthetic methods for the preparation of two new classes of binuclear transition metal complexes featuring either HS-, or Sn2- and Sen2- ligands. The new method for the synthesis of transition metal-hydrosulfido complexes involved transition metal-mediated hydrolysis of thiolates at room temperature (RT), while the method for the synthesis of transition metal-polychalcogenido complexes involved redox reaction of coordinated thiolates and exogenous elemental chalcogens at RT. An overview of the synthetic aspects, structural properties and intriguing reactivity of these two new classes of transition metal complexes is presented.
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Affiliation(s)
- Kamal Hossain
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India.
| | - Sayan Atta
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India.
| | - Anuj Baran Chakraborty
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India.
| | - Soumik Karmakar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India.
| | - Amit Majumdar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India.
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2
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Wang A, Mao Y, Chen X, Lu L, Jiang C, Lu H. A purine-based fluorescent probe for H 2S detection and imaging of cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 308:123674. [PMID: 38042125 DOI: 10.1016/j.saa.2023.123674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/16/2023] [Accepted: 11/20/2023] [Indexed: 12/04/2023]
Abstract
Hydrogen sulfide (H2S) is a gas with a toxic odor that plays an irreplaceable role in physiological activities within the mammalian body. Therefore, it is important to do the distribution and quantitative detection of H2S in mammalian cells. In this paper, a fluorescence probe (EDPH) based on purine scaffold was designed and synthesized with high sensitivity and good selectivity. H2S induced ether bond breakage in EDPH, resulting in a significant redshift of the absorption band (from 370 nm to 500 nm) with a Stokes shift of 130 nm. After the addition of H2S, the fluorescence intensity of EDPH showed a good linear correlation with the concentration of H2S, which enabled the quantitative detection of H2S with a low limit of detection (41 nM). Finally, the EDPH was applied to the cellular Hele, and the probe has good cellularity imaging capability for the detection of H2S in living systems.
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Affiliation(s)
- Anguan Wang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, 212000 Zhenjiang, China
| | - Yanxia Mao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, 212000 Zhenjiang, China
| | - Xu Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, 212000 Zhenjiang, China
| | - Linchuan Lu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, 212000 Zhenjiang, China
| | - Chunhui Jiang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, 212000 Zhenjiang, China.
| | - Hongfei Lu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, 212000 Zhenjiang, China.
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3
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Strianese M, Ferrara G, Vykhovanets V, Blal N, Guarnieri D, Landi A, Lamberti M, Peluso A, Pellecchia C. Sol-Gel Dipping Devices for H 2S Visualization. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23042023. [PMID: 36850620 PMCID: PMC9965526 DOI: 10.3390/s23042023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 05/14/2023]
Abstract
In this contribution we report the synthesis and full characterization, via a combination of different spectroscopies (e.g., 1H NMR, UV-vis, fluorescence, MALDI), of a new family of fluorescent zinc complexes with extended π-conjugated systems, with the final aim of setting up higher performance H2S sensing devices. Immobilization of the systems into a polymeric matrix for use in a solid-state portable device was also explored. The results provided proof-of-principle that the title complexes could be successfully implemented in a fast, simple and cost-effective H2S sensing device.
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4
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Heiser C, Merzweiler K. Synthesis and Crystal Structures of a Series of Five [M{Me
2
Si(NPh)
2
}L
2
] Complexes (M=Cr, Mn, Fe, Co, Zn) With NHC Co‐ligands. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202200257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Christian Heiser
- Institut für Chemie Naturwissenschaftliche Fakultät II Universität Halle Kurt-Mothes-Str. 2 06120 Halle
| | - Kurt Merzweiler
- Institut für Chemie Naturwissenschaftliche Fakultät II Universität Halle Kurt-Mothes-Str. 2 06120 Halle
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5
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Bieza S, Mazzeo A, Pellegrino J, Doctorovich F. H 2S/Thiols, NO •, and NO -/HNO: Interactions with Iron Porphyrins. ACS OMEGA 2022; 7:1602-1611. [PMID: 35071856 PMCID: PMC8771695 DOI: 10.1021/acsomega.1c06427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/17/2021] [Indexed: 05/14/2023]
Abstract
In the past decade, gasotransmitters NO• and H2S have been thoroughly studied in biological contexts, as their biosynthesis and physiological effects became known. Moreover, an additional intricate crosstalk reaction scheme between these compounds and related species is thought to exist as part of the cascade signaling processes in physiological conditions. In this context, heme enzymes, as modeled by iron porphyrins, play a central role in catalyzing the key interconversions involved. In this work, iron porphyrin interactions with sulfide and nitric-oxide-related species are described. The stability and reactivity of mixed ternary systems are also described, and future perspectives are discussed.
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6
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Strianese M, Brenna S, Attilio Ardizzoia G, Guarnieri D, Lamberti M, D'Auria I, Pellecchia C. Imidazo-pyridine-based zinc(II) complexes as fluorescent hydrogen sulfide probes. Dalton Trans 2021; 50:17075-17085. [PMID: 34779449 DOI: 10.1039/d1dt02489b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this work we explore the interaction of HS- with a family of fluorescent zinc complexes. In particular we selected a family of complexes with N,O-bidentate ligands aiming at assessing whether the zinc-chelating ligand plays a role in influencing the reactivity of HS- with the complexes under investigation. Different experiments, performed by diverse spectroscopic techniques, provide evidence that HS- binds the zinc center of all the complexes included in this study. The results highlight the potential of the devised systems to be used as HS-/H2S fluorescent sensors via a coordinative-based approach. To shed light on the species formed in solution when HS-/H2S interacts with the title complexes and aiming to rationalize the photophysical properties of the sensing constructs, we performed a computational analysis based on the time dependent density functional theory (TD-DFT). Preliminary bio-imaging experiments were also performed and the results indicate the potential of this class of compounds as probes for the detection of H2S in living cells.
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Affiliation(s)
- Maria Strianese
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy.
| | - Stefano Brenna
- Dipartimento di Scienza e Alta tecnologia, Università dell'Insubria and CIRCC, via Valleggio, 9, 22100 Como, Italy
| | - G Attilio Ardizzoia
- Dipartimento di Scienza e Alta tecnologia, Università dell'Insubria and CIRCC, via Valleggio, 9, 22100 Como, Italy
| | - Daniela Guarnieri
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy.
| | - Marina Lamberti
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy.
| | - Ilaria D'Auria
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy.
| | - Claudio Pellecchia
- Dipartimento di Chimica e Biologia "Adolfo Zambelli", Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy.
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7
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Diz V, Bieza SA, Oviedo Rouco S, Estrin DA, Murgida DH, Bari SE. Reactivity of inorganic sulfide species towards a pentacoordinated heme model system. J Inorg Biochem 2021; 220:111459. [PMID: 33894504 DOI: 10.1016/j.jinorgbio.2021.111459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/30/2021] [Accepted: 04/03/2021] [Indexed: 02/07/2023]
Abstract
The reactivity of inorganic sulfide towards ferric bis(N-acetyl)- microperoxidase 11 in sodium dodecyl sulfate has been explored by means of visible absorption and resonance Raman spectroscopies. The reaction has been previously studied in buffered solutions at neutral pH and in the presence of excess sulfide, revealing the formation of a moderately stable hexacoordinated low spin ferric sulfide complex that yields the ferrous form in the hour's timescale. In the surfactant solution, instead, the ferrous form is rapidly formed. The spectroscopic characterization of the heme structure in the surfactant milieu revealed the stabilization of a major ferric mono-histidyl high spin heme, which may be ascribed to out of plane distortions prompting the detachment of the axially ligated water molecule, thus leading to a differential reactivity. The ferric bis(N-acetyl)- microperoxidase 11 in sodium dodecyl sulfate provides a model for pentacoordinated heme platforms with an imidazole-based ligand.
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Affiliation(s)
- Virginia Diz
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Inorgánica, Analítica y Química Física, Buenos Aires, Argentina
| | - Silvina A Bieza
- CONICET-Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), Buenos Aires, Argentina
| | - Santiago Oviedo Rouco
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Inorgánica, Analítica y Química Física, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), Buenos Aires, Argentina
| | - Darío A Estrin
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Inorgánica, Analítica y Química Física, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), Buenos Aires, Argentina
| | - Daniel H Murgida
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Inorgánica, Analítica y Química Física, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), Buenos Aires, Argentina
| | - Sara E Bari
- CONICET-Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), Buenos Aires, Argentina.
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8
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Norvaiša K, Yeow K, Twamley B, Roucan M, Senge MO. Strategic Synthesis of 'Picket Fence' Porphyrins Based on Nonplanar Macrocycles. European J Org Chem 2021; 2021:1871-1882. [PMID: 33889056 PMCID: PMC8048935 DOI: 10.1002/ejoc.202100154] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/04/2021] [Indexed: 12/31/2022]
Abstract
Traditional 'picket fence' porphyrin systems have been a topic of interest for their capacity to direct steric shielding effects selectively to one side of the macrocycle. Sterically overcrowded porphyrin systems that adopt macrocycle deformations have recently drawn attention for their applications in organocatalysis and sensing. Here we explore the combined benefits of nonplanar porphyrins and the old molecular design to bring new concepts to the playing field. The challenging ortho-positions of meso-phenyl residues in dodecasubstituted porphyrin systems led us to transition to less hindered para- and meta-sites and develop selective demethylation based on the steric interplay. Isolation of the symmetrical target compound [2,3,7,8,12,13,17,18-octaethyl-5,10,15,20-tetrakis(3,5-dipivaloyloxyphenyl)porphyrin] was investigated under two synthetic pathways. The obtained insight was used to isolate unsymmetrical [2,3,7,8,12,13,17,18-octaethyl-5,10,15,20-tetrakis(2-nitro-5-pivaloyloxyphenyl)porphyrin]. Upon separation of the atropisomers, a detailed single-crystal X-ray crystallographic analysis highlighted intrinsic intermolecular interactions. The nonplanarity of these systems in combination with 'picket fence' motifs provides an important feature in the design of supramolecular ensembles.
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Affiliation(s)
- Karolis Norvaiša
- Chair of Organic ChemistrySchool of ChemistryTrinity Biomedical Sciences InstituteTrinity College DublinThe University of Dublin152–160 Pearse StreetDublin2Ireland
| | - Kathryn Yeow
- Chair of Organic ChemistrySchool of ChemistryTrinity Biomedical Sciences InstituteTrinity College DublinThe University of Dublin152–160 Pearse StreetDublin2Ireland
| | - Brendan Twamley
- School of ChemistryTrinity College DublinThe University of DublinDublin2Ireland
| | - Marie Roucan
- Chair of Organic ChemistrySchool of ChemistryTrinity Biomedical Sciences InstituteTrinity College DublinThe University of Dublin152–160 Pearse StreetDublin2Ireland
| | - Mathias O. Senge
- Chair of Organic ChemistrySchool of ChemistryTrinity Biomedical Sciences InstituteTrinity College DublinThe University of Dublin152–160 Pearse StreetDublin2Ireland
- Institute for Advanced Study (TUM-IAS)Technical University of MunichLichtenbergstrasse 2a85748GarchingGermany
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9
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Strianese M, Guarnieri D, Lamberti M, Landi A, Peluso A, Pellecchia C. Fluorescent salen-type Zn(II) Complexes As Probes for Detecting Hydrogen Sulfide and Its Anion: Bioimaging Applications. Inorg Chem 2020; 59:15977-15986. [PMID: 33047602 PMCID: PMC8015222 DOI: 10.1021/acs.inorgchem.0c02499] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Indexed: 12/11/2022]
Abstract
In this work, we investigate the mode of interaction of a family of fluorescent zinc complexes with HS- and H2S. Different experiments, performed by diverse spectroscopic techniques, provide evidence that HS- binds the zinc center of all the complexes under investigation. Treatment with neutral H2S exhibits a markedly different reactivity which indicates selectivity for HS- over H2S of the systems under investigation. Striking color changes, visible to the naked eye, occur when treating the systems with HS- or by an H2S flow. Accordingly, also the fluorescence is modulated by the presence of HS-, with the possible formation of multiple adducts. The results highlight the potential of the devised systems to be implemented as HS-/H2S colorimetric and fluorescent sensors. Bioimaging experiments indicate the potential of using this class of compounds as probes for the detection of H2S in living cells.
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Affiliation(s)
- Maria Strianese
- Dipartimento di Chimica e
Biologia “Adolfo Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Daniela Guarnieri
- Dipartimento di Chimica e
Biologia “Adolfo Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Marina Lamberti
- Dipartimento di Chimica e
Biologia “Adolfo Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Alessandro Landi
- Dipartimento di Chimica e
Biologia “Adolfo Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Andrea Peluso
- Dipartimento di Chimica e
Biologia “Adolfo Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
| | - Claudio Pellecchia
- Dipartimento di Chimica e
Biologia “Adolfo Zambelli”, Università degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy
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10
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Ishizuka T, Tanaka S, Uchida S, Wei L, Kojima T. Selective Convergence to Atropisomers of a Porphyrin Derivative Having Bulky Substituents at the Periphery. J Org Chem 2020; 85:12856-12869. [PMID: 32990441 DOI: 10.1021/acs.joc.0c01876] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Four kinds of possible atropisomers of a porphyrin derivative (1), having mesityl groups at one of the o-positions of each meso-aryl group, can be selectively converged to targeted atropisomers among the four isomers (αααα, αααβ, αβαβ, and ααββ) under appropriate conditions for each atropisomer. For example, protonation and subsequent neutralization of a free base porphyrin (H2-1) induces a convergence reaction to the αβαβ atropisomer, H2-1-αβαβ, from an atropisomeric mixture. The αααα isomer, H2-1-αααα, was also obtained by heating a solution of H2-1 in CHCl3 in 60% isolated yield, probably owing to a template effect of the solvent molecule. Remarkably, when an atropisomeric mixture of its zinc complex, Zn-1, was heated at 70 °C in a ClCH2CH2Cl/MeOH mixed solvent, crystals composed of only Zn-1-αααα were formed. The hydrophobic space formed by the four mesityl groups in the αααα isomer can be used for repeatable molecular encapsulation of benzene, and the encapsulation structure was elucidated by powder X-ray diffraction analysis. Heating the solid of an atropisomeric mixture of Zn-1 to 400 °C afforded the ααββ isomer almost quantitatively. On the other hand, the solid of H2-1-αααα can be converted by heating, successively to H2-1-αααβ at 286 °C and then to H2-1-ααββ at 350 °C.
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Affiliation(s)
- Tomoya Ishizuka
- Department of Chemistry, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan.,PRESTO, Japan Science and Technology Agency (JST), Kawaguchi 332-0012, Japan
| | - Shogo Tanaka
- Department of Chemistry, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
| | - Sayaka Uchida
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Lianyu Wei
- Department of Chemistry, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
| | - Takahiko Kojima
- Department of Chemistry, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
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11
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Strianese M, Lamberti M, Persico A, Pellecchia C. Reactivity of monohydrogensulfide with a suite of pyridoxal-based complexes: A combined NMR, ESI-MS, UV–visible and fluorescence study. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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12
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Boubeta FM, Bieza SA, Bringas M, Palermo JC, Boechi L, Estrin DA, Bari SE. Hemeproteins as Targets for Sulfide Species. Antioxid Redox Signal 2020; 32:247-257. [PMID: 31530164 DOI: 10.1089/ars.2019.7878] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Significance: Sulfides are endogenous and ubiquitous signaling species that share the hemeproteins as biochemical targets with O2, nitric oxide, and carbon monoxide. The description of the binding mechanisms is mandatory to anticipate the biochemical relevance of the interaction. Recent Advances: The binding of sulfide to ferric hemeproteins has been described in more than 40 systems, including native proteins, mutants, and model systems. Mechanisms of sulfide binding to ferric hemeproteins have been examined by a combination of kinetic and computational experiments. The distal control of the association process, dissected into the migration of the ligand to the active site and the binding event, reveals that neutral hydrogen sulfide (H2S) reaches the active site and is the predominant binding ligand, while the HS- is excluded by the protein matrix. Experiments with model compounds, devoid of a protein scaffold, reveal that both H2S and HS- can bind the ferric heme if accessing the site. A critical role of the proximal ligand in the prevention of the metal-centered reduction has been experimentally assessed. For metmyoglobin and methemoglobin, the coordination of sulfide leads to noncanonical functions: sulfide storage and its oxidative detoxification have been evidenced under physiological and excess sulfide concentrations, respectively. Critical Issues: The bound species is suggested to predominate in the monoprotonated form, although spectroscopic evidence is pending. Future Directions: A description of the role of hemeproteins as biochemical targets for inorganic sulfide requires understanding the reactivity of bound sulfide, for example: the metal-centered reduction, the reaction with excess sulfide, oxidants, or other gasotransmitters, among other biomolecules.
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Affiliation(s)
- Fernando Martín Boubeta
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía. (INQUIMAE) CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Silvina Andrea Bieza
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía. (INQUIMAE) CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mauro Bringas
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía. (INQUIMAE) CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina.,Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Juan Cruz Palermo
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía. (INQUIMAE) CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Leonardo Boechi
- Facultad de Ciencias Exactas y Naturales, Instituto de Cálculo, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Darío Ariel Estrin
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía. (INQUIMAE) CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina.,Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Sara Elizabeth Bari
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía. (INQUIMAE) CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina
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13
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Pluth MD, Tonzetich ZJ. Hydrosulfide complexes of the transition elements: diverse roles in bioinorganic, cluster, coordination, and organometallic chemistry. Chem Soc Rev 2020; 49:4070-4134. [DOI: 10.1039/c9cs00570f] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Molecules containing transition metal hydrosulfide linkages are diverse, spanning a variety of elements, coordination environments, and redox states, and carrying out multiple roles across several fields of chemistry.
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Affiliation(s)
- Michael D. Pluth
- Department of Chemistry and Biochemistry
- Materials Science Institute
- Knight Campus for Accelerating Scientific Impact
- Institute of Molecular Biology
- University of Oregon
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14
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Caulfield KP, Conradie J, Arman HD, Ghosh A, Tonzetich ZJ. Iron(II) Corrole Anions. Inorg Chem 2019; 58:15225-15235. [DOI: 10.1021/acs.inorgchem.9b02209] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Kenneth P. Caulfield
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Jeanet Conradie
- Department of Chemistry, University of Tromsø-The Arctic University of Norway, N-9037 Tromsø, Norway
- Department of Chemistry, University of the Free State, P.O. Box 339, 9300 Bloemfontein, Republic of South Africa
| | - Hadi D. Arman
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Abhik Ghosh
- Department of Chemistry, University of Tromsø-The Arctic University of Norway, N-9037 Tromsø, Norway
| | - Zachary J. Tonzetich
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
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15
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Strianese M, Palm GJ, Kohlhause D, Ndamba LA, Tabares LC, Pellecchia C. Azurin and HS-
: Towards Implementation of a Sensor for HS-
Detection. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801399] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Maria Strianese
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”; Università di Salerno; Via Giovanni Paolo II, 132 84084 Fisciano (SA) Italy
| | - Gottfried J. Palm
- Institute for Biochemistry; University of Greifswald; Felix-Hausdorff-Str. 4 17489 Greifswald Germany
| | - David Kohlhause
- Institute for Biochemistry; University of Greifswald; Felix-Hausdorff-Str. 4 17489 Greifswald Germany
| | - Lionel A. Ndamba
- Leiden; Leiden University; P.O. Box 9504 2300 RA Leiden Netherlands
| | - Leandro C. Tabares
- Institute for Integrative Biology of the Cell (I2BC); Department of Biochemistry, Biophysics and Structural Biology; Université Paris-Saclay, CEA, CNRS UMR 9198; 91198 Gif-sur-Yvette France
| | - Claudio Pellecchia
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”; Università di Salerno; Via Giovanni Paolo II, 132 84084 Fisciano (SA) Italy
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16
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Pal N, Majumdar A. Transfer of hydrosulfide from thiols to iron(ii): a convenient synthetic route to nonheme diiron(ii)–hydrosulfide complexes. Dalton Trans 2019; 48:5903-5908. [DOI: 10.1039/c8dt04092c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The synthesis and reactivity of an unprecedented nonheme diiron(ii)–hydrosulfide complex via Fe(ii) mediated C–S bond cleavage of thiols.
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Affiliation(s)
- Nabhendu Pal
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Amit Majumdar
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
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17
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Weak coordination of H2S to the solid-state ferrous porphyrin complexes with diatomic molecules. Characterization of 6-coordinate adducts at low temperature. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.07.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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18
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Boubeta FM, Bieza SA, Bringas M, Estrin DA, Boechi L, Bari SE. Mechanism of Sulfide Binding by Ferric Hemeproteins. Inorg Chem 2018; 57:7591-7600. [DOI: 10.1021/acs.inorgchem.8b00478] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Fernando M. Boubeta
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), CONICET and Universidad de Buenos Aires, Buenos Aires 1053, Argentina
| | - Silvina A. Bieza
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), CONICET and Universidad de Buenos Aires, Buenos Aires 1053, Argentina
| | - Mauro Bringas
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), CONICET and Universidad de Buenos Aires, Buenos Aires 1053, Argentina
| | - Darío A. Estrin
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), CONICET and Universidad de Buenos Aires, Buenos Aires 1053, Argentina
| | | | - Sara E. Bari
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), CONICET and Universidad de Buenos Aires, Buenos Aires 1053, Argentina
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19
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Filipovic MR, Zivanovic J, Alvarez B, Banerjee R. Chemical Biology of H 2S Signaling through Persulfidation. Chem Rev 2018; 118:1253-1337. [PMID: 29112440 PMCID: PMC6029264 DOI: 10.1021/acs.chemrev.7b00205] [Citation(s) in RCA: 562] [Impact Index Per Article: 93.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Signaling by H2S is proposed to occur via persulfidation, a posttranslational modification of cysteine residues (RSH) to persulfides (RSSH). Persulfidation provides a framework for understanding the physiological and pharmacological effects of H2S. Due to the inherent instability of persulfides, their chemistry is understudied. In this review, we discuss the biologically relevant chemistry of H2S and the enzymatic routes for its production and oxidation. We cover the chemical biology of persulfides and the chemical probes for detecting them. We conclude by discussing the roles ascribed to protein persulfidation in cell signaling pathways.
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Affiliation(s)
- Milos R. Filipovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Jasmina Zivanovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Beatriz Alvarez
- Laboratorio de Enzimología, Facultad de Ciencias and Center for Free Radical and Biomedical Research, Universidad de la Republica, 11400 Montevideo, Uruguay
| | - Ruma Banerjee
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0600, United States
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20
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Strianese M, Lamberti M, Pellecchia C. Interaction of monohydrogensulfide with a family of fluorescent pyridoxal-based Zn(ii) receptors. Dalton Trans 2018; 47:17392-17400. [DOI: 10.1039/c8dt03969k] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We studied the reactivity of HS− with a family of fluorescent zinc complexes. In the case of complexes 1 and 3, we have evidence that the interaction with HS− results in the displacement of the coordinated ligand from the Zn center. For complex 2, our data points to the coordination of HS− to the metal center likely assisted by hydrogen bondings with the OH of the pyridoxal moiety.
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Affiliation(s)
- Maria Strianese
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università degli Studi di Salerno
- 84084 Fisciano (SA)
- Italy
| | - Marina Lamberti
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università degli Studi di Salerno
- 84084 Fisciano (SA)
- Italy
| | - Claudio Pellecchia
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”
- Università degli Studi di Salerno
- 84084 Fisciano (SA)
- Italy
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21
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Mirra S, Strianese M, Pellecchia C. A Cyclam-Based Fluorescent Ligand as a Molecular Beacon for Cu2+
and H2
S Detection. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700623] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Silvia Mirra
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”; Università degli Studi di Salerno; Via Giovanni Paolo II, 132 84084 Fisciano SA Italy
| | - Maria Strianese
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”; Università degli Studi di Salerno; Via Giovanni Paolo II, 132 84084 Fisciano SA Italy
| | - Claudio Pellecchia
- Dipartimento di Chimica e Biologia “Adolfo Zambelli”; Università degli Studi di Salerno; Via Giovanni Paolo II, 132 84084 Fisciano SA Italy
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22
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Strianese M, Mirra S, Lamberti M, Pellecchia C. Zinc (II) porphyrins as viable scaffolds to stabilize hydrogen sulfide binding at the metal center. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2017.06.069] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Arndt S, Baeza-Garza CD, Logan A, Rosa T, Wedmann R, Prime TA, Martin JL, Saeb-Parsy K, Krieg T, Filipovic MR, Hartley RC, Murphy MP. Assessment of H 2S in vivo using the newly developed mitochondria-targeted mass spectrometry probe MitoA. J Biol Chem 2017; 292:7761-7773. [PMID: 28320864 PMCID: PMC5427258 DOI: 10.1074/jbc.m117.784678] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 03/17/2017] [Indexed: 01/07/2023] Open
Abstract
Hydrogen sulfide (H2S) is produced endogenously in vivo and has multiple effects on signaling pathways and cell function. Mitochondria can be both an H2S source and sink, and many of the biological effects of H2S relate to its interactions with mitochondria. However, the significance of mitochondrial H2S is uncertain, in part due to the difficulty of assessing changes in its concentration in vivo Although a number of fluorescent H2S probes have been developed these are best suited to cells in culture and cannot be used in vivo To address this unmet need we have developed a mitochondria-targeted H2S probe, MitoA, which can be used to assess relative changes in mitochondrial H2S levels in vivo MitoA comprises a lipophilic triphenylphosphonium (TPP) cation coupled to an aryl azide. The TPP cation leads to the accumulation of MitoA inside mitochondria within tissues in vivo There, the aryl azido group reacts with H2S to form an aryl amine (MitoN). The extent of conversion of MitoA to MitoN thus gives an indication of the levels of mitochondrial H2S in vivo Both compounds can be detected sensitively by liquid chromatography tandem mass spectrometry (LC-MS/MS) analysis of the tissues, and quantified relative to deuterated internal standards. Here we describe the synthesis and characterization of MitoA and show that it can be used to assess changes in mitochondrial H2S levels in vivo As a proof of principle we used MitoA to show that H2S levels increase in vivo during myocardial ischemia.
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Affiliation(s)
- Sabine Arndt
- From the MRC Mitochondrial Biology Unit, University of Cambridge, Hills Road, Cambridge CB2 0XY, United Kingdom
| | - Carlos D Baeza-Garza
- the WestCHEM School of Chemistry, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Angela Logan
- From the MRC Mitochondrial Biology Unit, University of Cambridge, Hills Road, Cambridge CB2 0XY, United Kingdom
| | - Tiziana Rosa
- the Department of Medicine, University of Cambridge, Biomedical Campus, Cambridge, CB2 2QQ, United Kingdom
| | - Rudolf Wedmann
- the Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstrasse,1, 91058 Erlangen, Germany
| | - Tracy A Prime
- From the MRC Mitochondrial Biology Unit, University of Cambridge, Hills Road, Cambridge CB2 0XY, United Kingdom
| | - Jack L Martin
- the Department of Surgery and Cambridge NIHR Biomedical Research Centre, Biomedical Campus, University of Cambridge, Cambridge CB2 2QQ, United Kingdom
| | - Kourosh Saeb-Parsy
- the Department of Surgery and Cambridge NIHR Biomedical Research Centre, Biomedical Campus, University of Cambridge, Cambridge CB2 2QQ, United Kingdom
| | - Thomas Krieg
- the Department of Medicine, University of Cambridge, Biomedical Campus, Cambridge, CB2 2QQ, United Kingdom
| | - Milos R Filipovic
- the Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstrasse,1, 91058 Erlangen, Germany
- the University of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France, and
| | - Richard C Hartley
- the WestCHEM School of Chemistry, University of Glasgow, Glasgow G12 8QQ, United Kingdom,
| | - Michael P Murphy
- From the MRC Mitochondrial Biology Unit, University of Cambridge, Hills Road, Cambridge CB2 0XY, United Kingdom,
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24
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Hartle MD, Tillotson MR, Prell JS, Pluth MD. Spectroscopic investigation of the reaction of metallo-protoporphyrins with hydrogen sulfide. J Inorg Biochem 2017; 173:152-157. [PMID: 28551529 DOI: 10.1016/j.jinorgbio.2017.04.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/10/2017] [Accepted: 04/23/2017] [Indexed: 11/16/2022]
Abstract
Hydrogen sulfide (H2S) is the most recently discovered gasotransmitter molecule joining nitric oxide and carbon monoxide. In addition to being biologically important gases, these gasotransmitters also provide distinct modes of reactivity with biomimetic metal complexes. The majority of previous investigations on the reactivity of H2S with bioinorganic models have focused on Fe-based porphyrin systems, whereas investigations with other metals remains underinvestigated. To address this gap, we report here an examination of the reactions of H2S, HS-, and S8 with MgII, CuII, CoII, ZnII, CrII, SnIV, and MnII/III protoporphyrins.
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Affiliation(s)
- Matthew D Hartle
- Department of Chemistry & Biochemistry, Materials Science Institute, Institute of Molecular Biology, University of Oregon, Eugene, OR 97403-1253, USA
| | - McKinna R Tillotson
- Department of Chemistry & Biochemistry, Materials Science Institute, Institute of Molecular Biology, University of Oregon, Eugene, OR 97403-1253, USA
| | - James S Prell
- Department of Chemistry & Biochemistry, Materials Science Institute, Institute of Molecular Biology, University of Oregon, Eugene, OR 97403-1253, USA
| | - Michael D Pluth
- Department of Chemistry & Biochemistry, Materials Science Institute, Institute of Molecular Biology, University of Oregon, Eugene, OR 97403-1253, USA.
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25
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Meininger DJ, Arman HD, Tonzetich ZJ. Synthesis, characterization, and binding affinity of hydrosulfide complexes of synthetic iron(II) porphyrinates. J Inorg Biochem 2017; 167:142-149. [DOI: 10.1016/j.jinorgbio.2016.08.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 08/23/2016] [Accepted: 08/25/2016] [Indexed: 01/23/2023]
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26
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Galardon E, Huguet F, Herrero C, Ricoux R, Artaud I, Padovani D. Reactions of persulfides with the heme cofactor of oxidized myoglobin and microperoxidase 11: reduction or coordination. Dalton Trans 2017; 46:7939-7946. [DOI: 10.1039/c7dt01638g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Persulfides reduce both met- and ferryl-oxidized forms of myoglobin, and coordinate to N-acetylated microperoxidase-11.
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Affiliation(s)
- Erwan Galardon
- UMR 8601
- LCBPT
- CNRS-Université Paris Descartes
- 75006 Paris
- France
| | - Florian Huguet
- UMR 8601
- LCBPT
- CNRS-Université Paris Descartes
- 75006 Paris
- France
| | - Christian Herrero
- UMR 8182
- ICMMO
- Institut de Chimie Moléculaire et des Matériaux d'Orsay
- Université Paris-Sud
- 91405 Orsay Cedex
| | - Rémy Ricoux
- UMR 8182
- ICMMO
- Institut de Chimie Moléculaire et des Matériaux d'Orsay
- Université Paris-Sud
- 91405 Orsay Cedex
| | - Isabelle Artaud
- UMR 8601
- LCBPT
- CNRS-Université Paris Descartes
- 75006 Paris
- France
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27
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Rodriguez KJ, Hanlon AM, Lyon CK, Cole JP, Tuten BT, Tooley CA, Berda EB, Pazicni S. Porphyrin-Cored Polymer Nanoparticles: Macromolecular Models for Heme Iron Coordination. Inorg Chem 2016; 55:9493-9496. [DOI: 10.1021/acs.inorgchem.6b01113] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Kyle J. Rodriguez
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
| | - Ashley M. Hanlon
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
| | - Christopher K. Lyon
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
| | - Justin P. Cole
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
| | - Bryan T. Tuten
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
| | - Christian A. Tooley
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
| | - Erik B. Berda
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
| | - Samuel Pazicni
- Department of Chemistry and ‡Materials Science
Program, University of New Hampshire, 23 Academic Way, Durham, New Hampshire 03824, United States
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28
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Zhao Z, Wang D, Wang M, Sun X, Wang L, Huang X, Ma L, Li Z. Proximal environment controlling the reactivity between inorganic sulfide and heme-peptide model. RSC Adv 2016. [DOI: 10.1039/c6ra14100e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Synthesized deuterohemin-peptide, which is lack of the distal protein structure, is used as a heme model to investigate the effects of the proximal environment on the reactivity of inorganic sulfide to heme center.
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Affiliation(s)
- Zijian Zhao
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education
- College of Life Science
- Jilin University
- Changchun 130012
- PR China
| | - Dandan Wang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education
- College of Life Science
- Jilin University
- Changchun 130012
- PR China
| | - Mingyang Wang
- National Engineering Laboratory for AIDS Vaccine
- Jilin University
- Changchun 130012
- PR China
| | - Xiaoli Sun
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- PR China
| | - Liping Wang
- National Engineering Laboratory for AIDS Vaccine
- Jilin University
- Changchun 130012
- PR China
| | - Xuri Huang
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- PR China
| | - Li Ma
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education
- College of Life Science
- Jilin University
- Changchun 130012
- PR China
| | - Zhengqiang Li
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education
- College of Life Science
- Jilin University
- Changchun 130012
- PR China
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