51
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Convergence of biological nitration and nitrosation via symmetrical nitrous anhydride. Nat Chem Biol 2015; 11:504-10. [PMID: 26006011 PMCID: PMC4472503 DOI: 10.1038/nchembio.1814] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 04/06/2015] [Indexed: 02/06/2023]
Abstract
Current perspective holds that the generation of secondary signaling mediators from nitrite (NO2−) requires acidification to nitrous acid (HNO2) or metal catalysis. Herein, the use of stable isotope-labeled NO2− and LC-MS/MS analysis of products revealed that NO2− also participates in fatty acid nitration and thiol S-nitrosation at neutral pH. These reactions occur in the absence of metal centers and are stimulated by nitric oxide (•NO) autoxidation via symmetrical dinitrogen trioxide (nitrous anhydride, symN2O3) formation. While theoretical models have predicted physiological symN2O3 formation, its generation is now demonstrated in aqueous reaction systems, cell models and in viv, with the concerted reactions of •NO and NO2− shown to be critical for symN2O3 formation. These results reveal new mechanisms underlying the NO2− propagation of •NO signaling and the regulation of both biomolecule function and signaling network activity via NO2−-dependent nitrosation and nitration reactions.
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52
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Hematian S, Kenkel I, Shubina TE, Dürr M, Liu JJ, Siegler MA, Ivanovic-Burmazovic I, Karlin KD. Nitrogen Oxide Atom-Transfer Redox Chemistry; Mechanism of NO(g) to Nitrite Conversion Utilizing μ-oxo Heme-Fe(III)-O-Cu(II)(L) Constructs. J Am Chem Soc 2015; 137:6602-15. [PMID: 25974136 DOI: 10.1021/jacs.5b02174] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
While nitric oxide (NO, nitrogen monoxide) is a critically important signaling agent, its cellular concentrations must be tightly controlled, generally through its oxidative conversion to nitrite (NO2(-)) where it is held in reserve to be reconverted as needed. In part, this reaction is mediated by the binuclear heme a3/CuB active site of cytochrome c oxidase. In this report, the oxidation of NO(g) to nitrite is shown to occur efficiently in new synthetic μ-oxo heme-Fe(III)-O-Cu(II)(L) constructs (L being a tridentate or tetradentate pyridyl/alkylamino ligand), and spectroscopic and kinetic investigations provide detailed mechanistic insights. Two new X-ray structures of μ-oxo complexes have been determined and compared to literature analogs. All μ-oxo complexes react with 2 mol equiv NO(g) to give 1:1 mixtures of discrete [(L)Cu(II)(NO2(-))](+) plus ferrous heme-nitrosyl compounds; when the first NO(g) equiv reduces the heme center and itself is oxidized to nitrite, the second equiv of NO(g) traps the ferrous heme thus formed. For one μ-oxo heme-Fe(III)-O-Cu(II)(L) compound, the reaction with NO(g) reveals an intermediate species ("intermediate"), formally a bis-NO adduct, [(NO)(porphyrinate)Fe(II)-(NO2(-))-Cu(II)(L)](+) (λmax = 433 nm), confirmed by cryo-spray ionization mass spectrometry and EPR spectroscopy, along with the observation that cooling a 1:1 mixture of [(L)Cu(II)(NO2(-))](+) and heme-Fe(II)(NO) to -125 °C leads to association and generation of the key 433 nm UV-vis feature. Kinetic-thermodynamic parameters obtained from low-temperature stopped-flow measurements are in excellent agreement with DFT calculations carried out which describe the sequential addition of NO(g) to the μ-oxo complex.
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Affiliation(s)
- Shabnam Hematian
- †Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21211, United States
| | - Isabell Kenkel
- ‡Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen 91058, Germany
| | - Tatyana E Shubina
- ‡Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen 91058, Germany
| | - Maximilian Dürr
- ‡Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen 91058, Germany
| | - Jeffrey J Liu
- †Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21211, United States
| | - Maxime A Siegler
- †Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21211, United States
| | | | - Kenneth D Karlin
- †Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21211, United States
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53
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Gogoi K, Deka H, Kumar V, Mondal B. Oxo Transfer from Nitrogen Dioxide to Nitrito Group in a Copper(II) Complex. Inorg Chem 2015; 54:4799-805. [DOI: 10.1021/acs.inorgchem.5b00242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kuldeep Gogoi
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Hemanta Deka
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Vikash Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Biplab Mondal
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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54
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Suarez SA, Neuman NI, Muñoz M, Álvarez L, Bikiel DE, Brondino CD, Ivanović-Burmazović I, Miljkovic JL, Filipovic MR, Martí MA, Doctorovich F. Nitric Oxide Is Reduced to HNO by Proton-Coupled Nucleophilic Attack by Ascorbate, Tyrosine, and Other Alcohols. A New Route to HNO in Biological Media? J Am Chem Soc 2015; 137:4720-7. [DOI: 10.1021/ja512343w] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Sebastián A. Suarez
- Departamento
de Química Inorgánica, Analítica y Química
Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria, (C1428EGA) Buenos Aires, Argentina
| | - Nicolás I. Neuman
- Departamento
de Química Inorgánica, Analítica y Química
Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria, (C1428EGA) Buenos Aires, Argentina
- Departamento
de Física, Facultad de Bioquímica y Ciencias Biológicas,
Universidad Nacional del Litoral, Ciudad Universitaria, Paraje
El Pozo, Santa Fe 3000, Argentina
| | - Martina Muñoz
- Departamento
de Química Inorgánica, Analítica y Química
Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria, (C1428EGA) Buenos Aires, Argentina
| | - Lucı́a Álvarez
- Departamento
de Química Inorgánica, Analítica y Química
Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria, (C1428EGA) Buenos Aires, Argentina
| | - Damián E. Bikiel
- Departamento
de Química Inorgánica, Analítica y Química
Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria, (C1428EGA) Buenos Aires, Argentina
| | - Carlos D. Brondino
- Departamento
de Física, Facultad de Bioquímica y Ciencias Biológicas,
Universidad Nacional del Litoral, Ciudad Universitaria, Paraje
El Pozo, Santa Fe 3000, Argentina
| | - Ivana Ivanović-Burmazović
- Department
of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nuremberg, Egerlandstrasse 1, 91058 Erlangen, Germany
| | - Jan Lj. Miljkovic
- Department
of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nuremberg, Egerlandstrasse 1, 91058 Erlangen, Germany
| | - Milos R. Filipovic
- Department
of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nuremberg, Egerlandstrasse 1, 91058 Erlangen, Germany
| | - Marcelo A. Martí
- Departamento
de Química Inorgánica, Analítica y Química
Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria, (C1428EGA) Buenos Aires, Argentina
- Departamento
de Química Biológica, Facultad de Ciencias Exactas y
Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab. II, (C1428EGA) Buenos Aires, Argentina
| | - Fabio Doctorovich
- Departamento
de Química Inorgánica, Analítica y Química
Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria, (C1428EGA) Buenos Aires, Argentina
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55
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Crestoni ME, Chiavarino B, Fornarini S. Nitrosyl–heme and anion–arene complexes: structure, reactivity and spectroscopy. PURE APPL CHEM 2015. [DOI: 10.1515/pac-2014-1203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
AbstractTwo topics are selected and illustrated to exemplify (i) a biological and (ii) an organic ionic intermediate. The reactivity behavior of NO adducts with ferric and ferrous hemes has shown remarkable similarities when examined in the gas phase, demonstrating that the largely different NO affinity displayed in solution and in biological media is due to the different coordination environment. In fact, ferrous hemes present a vacant or highly labile axial coordination site, prone to readily bind NO. The vibrational signatures of the NO ligand have also been probed in vacuo for the first time in the nitrosyl complexes deriving from ferrous and ferric hemes under strictly comparable five-coordination at the metal center. Negatively charged σ-adducts, from the association of anions with 1,3,5-trinitrobenzene, an exemplary π-electron-deficient arene, have been probed by IRMPD spectroscopy and found to display variable binding motifs from a strongly covalent σ-adduct (Meisenheimer complex) to a weakly covalent σ-complex, depending on the anion basicity.
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Affiliation(s)
- Maria Elisa Crestoni
- 1Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, I-00185, Roma, Italy
| | - Barbara Chiavarino
- 1Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, I-00185, Roma, Italy
| | - Simonetta Fornarini
- 1Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, I-00185, Roma, Italy
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56
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He C, Howes BD, Smulevich G, Rumpel S, Reijerse EJ, Lubitz W, Cox N, Knipp M. Nitrite Dismutase Reaction Mechanism: Kinetic and Spectroscopic Investigation of the Interaction between Nitrophorin and Nitrite. J Am Chem Soc 2015; 137:4141-50. [DOI: 10.1021/ja512938u] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Chunmao He
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany
| | - Barry D. Howes
- Department
of Chemistry “Ugo Schiff”, University of Florence, Via della Lastruccia 3-13, I-50019 Sesto Fiorentino(Fi), Italy
| | - Giulietta Smulevich
- Department
of Chemistry “Ugo Schiff”, University of Florence, Via della Lastruccia 3-13, I-50019 Sesto Fiorentino(Fi), Italy
| | - Sigrun Rumpel
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany
| | - Edward J. Reijerse
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany
| | - Wolfgang Lubitz
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany
| | - Nicholas Cox
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany
| | - Markus Knipp
- Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470 Mülheim an der Ruhr, Germany
- Faculty
of Chemistry and Biochemistry, Ruhr University, Universitätsstrasse 150, D-44780 Bochum, Germany
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57
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Foi A, Di Salvo F, Doctorovich F, Roy TG, Stirnat K, Biewer C, Klein A. Tracing the Iron Nitrosyl Complex [Fe(2,2′‐bipyridine)(CN)
3
(NO)]
–. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201403145] [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)
- Ana Foi
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE‐CONICET, Ciudad Universitaria, Pabellón 2, Piso 3, C1428EHA Buenos Aires, Argentina
| | - Florencia Di Salvo
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE‐CONICET, Ciudad Universitaria, Pabellón 2, Piso 3, C1428EHA Buenos Aires, Argentina
| | - Fabio Doctorovich
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE‐CONICET, Ciudad Universitaria, Pabellón 2, Piso 3, C1428EHA Buenos Aires, Argentina
| | | | - Kathrin Stirnat
- Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, 50939 Köln, http://www.klein.uni‐koeln.de/
| | - Christian Biewer
- Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, 50939 Köln, http://www.klein.uni‐koeln.de/
| | - Axel Klein
- Universität zu Köln, Institut für Anorganische Chemie, Greinstraße 6, 50939 Köln, http://www.klein.uni‐koeln.de/
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58
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Tejero J, Sparacino-Watkins CE, Ragireddy V, Frizzell S, Gladwin MT. Exploring the mechanisms of the reductase activity of neuroglobin by site-directed mutagenesis of the heme distal pocket. Biochemistry 2015; 54:722-33. [PMID: 25554946 PMCID: PMC4410703 DOI: 10.1021/bi501196k] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Neuroglobin
(Ngb) is a six-coordinate globin that can catalyze
the reduction of nitrite to nitric oxide. Although this reaction is
common to heme proteins, the molecular interactions in the heme pocket
that regulate this reaction are largely unknown. We have shown that
the H64L Ngb mutation increases the rate of nitrite reduction by 2000-fold
compared to that of wild-type Ngb [Tiso, M., et al. (2011) J. Biol. Chem. 286, 18277–18289]. Here we explore
the effect of distal heme pocket mutations on nitrite reduction. For
this purpose, we have generated mutations of Ngb residues Phe28(B10),
His64(E7), and Val68(E11). Our results indicate a dichotomy in the
reactivity of deoxy five- and six-coordinate globins toward nitrite.
In hemoglobin and myoglobin, there is a correlation between faster
rates and more negative potentials. However, in Ngb, reaction rates
are apparently related to the distal pocket volume, and redox potential
shows a poor relationship with the rate constants. This suggests a
relationship between the nitrite reduction rate and heme accessibility
in Ngb, particularly marked for His64(E7) mutants. In five-coordinate
globins, His(E7) facilitates nitrite reduction, likely through proton
donation. Conversely, in Ngb, the reduction mechanism does not rely
on the delivery of a proton from the histidine side chain, as His64
mutants show the fastest reduction rates. In fact, the rate observed
for H64A Ngb (1120 M–1 s–1) is
to the best of our knowledge the fastest reported for a heme nitrite
reductase. These differences may be related to a differential stabilization
of the iron–nitrite complexes in five- and six-coordinate globins.
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Affiliation(s)
- Jesús Tejero
- Vascular Medicine Institute, University of Pittsburgh , Pittsburgh, Pennsylvania 15261, United States
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59
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60
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Kurtikyan TS, Hayrapetyan VA, Mehrabyan MM, Ford PC. Six-coordinate nitrito and nitrato complexes of manganese porphyrin. Inorg Chem 2014; 53:11948-59. [PMID: 25369232 DOI: 10.1021/ic5014329] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reaction of small increments of NO2 gas with sublimed amorphous layers of Mn(II)(TPP) (TPP = meso-tetra-phenylporphyrinato dianion) in a vacuum cryostat leads to formation of the 5-coordinate monodentate nitrato complex Mn(III)(TPP)(η(1)-ONO2) (II). This transformation proceeds through the two distinct steps with initial formation of the five coordinate O-nitrito complex Mn(III)(TPP)(η(1)-ONO) (I) as demonstrated by the electronic absorption spectra and by FTIR spectra using differently labeled nitrogen dioxide. A plausible mechanism for the second stage of reaction is offered based on the spectral changes observed upon subsequent interaction of (15)NO2 and NO2 with the layered Mn(TPP). Low-temperature interaction of I and II with the vapors of various ligands L (L = O-, S-, and N-donors) leads to formation of the 6-coordinate O-nitrito Mn(III)(TPP)(L)(η(1)-ONO) and monodentate nitrato Mn(III)(TPP)(L)(η(1)-ONO2) complexes, respectively. Formation of the 6-coordinate O-nitrito complex is accompanied by the shifts of the ν(N═O) band to lower frequency and of the ν(N-O) band to higher frequency. The frequency difference between these bands Δν = ν(N═O) - ν(N-O) is a function of L and is smaller for the stronger bases. Reaction of excess NH3 with I leads to formation of Mn(TPP)(NH3)(η(1)-ONO) and of the cation [Mn(TPP)(NH3)2](+) plus ionic nitrite. The nitrito complexes are relatively unstable, but several of the nitrato species can be observed in the solid state at room temperature. For example, the tetrahydrofuran complex Mn(TPP)(THF)(η(1)-ONO2) is stable in the presence of THF vapors (∼5 mm), but it loses this ligand upon high vacuum pumping at RT. When L = dimethylsulfide (DMS), the nitrato complex is stable only to ∼-30 °C. Reactions of II with the N-donor ligands NH3, pyridine, or 1-methylimidazole are more complex. With these ligands, the nitrato complexes Mn(III)(TPP)(L)(η(1)-ONO2) and the cationic complexes [Mn(TPP)(L)2](+) coexist in the layer at room temperature, the latter formed as a result of NO3(-) displacement when L is in excess.
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Affiliation(s)
- T S Kurtikyan
- Molecule Structure Research Centre (MSRC) of the Scientific and Technological Centre of Organic and Pharmaceutical Chemistry NAS , 375014, Yerevan, Armenia
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61
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Roche CJ, Talwar A, Palmer AF, Cabrales P, Gerfen G, Friedman JM. Evaluating the capacity to generate and preserve nitric oxide bioactivity in highly purified earthworm erythrocruorin: a giant polymeric hemoglobin with potential blood substitute properties. J Biol Chem 2014; 290:99-117. [PMID: 25371199 PMCID: PMC4281771 DOI: 10.1074/jbc.m114.583260] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The giant extracellular hemoglobin (erythrocruorin) from the earth worm (Lumbricus terrestris) has shown promise as a potential hemoglobin-based oxygen carrier (HBOC) in in vivo animal studies. An important beneficial characteristic of this hemoglobin (LtHb) is the large number of heme-based oxygen transport sites that helps overcome issues of osmotic stress when attempting to provide enough material for efficient oxygen delivery. A potentially important additional property is the capacity of the HBOC either to generate nitric oxide (NO) or to preserve NO bioactivity to compensate for decreased levels of NO in the circulation. The present study compares the NO-generating and NO bioactivity-preserving capability of LtHb with that of human adult hemoglobin (HbA) through several reactions including the nitrite reductase, reductive nitrosylation, and still controversial nitrite anhydrase reactions. An assignment of a heme-bound dinitrogen trioxide as the stable intermediate associated with the nitrite anhydrase reaction in both LtHb and HbA is supported based on functional and EPR spectroscopic studies. The role of the redox potential as a factor contributing to the NO-generating activity of these two proteins is evaluated. The results show that LtHb undergoes the same reactions as HbA and that the reduced efficacy for these reactions for LtHb relative to HbA is consistent with the much higher redox potential of LtHb. Evidence of functional heterogeneity in LtHb is explained in terms of the large difference in the redox potential of the isolated subunits.
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Affiliation(s)
- Camille J Roche
- From the Department of Physiology and Biophysics, Albert Einstein College of Medicine, Bronx, New York 10461
| | - Abhinav Talwar
- From the Department of Physiology and Biophysics, Albert Einstein College of Medicine, Bronx, New York 10461, Herricks High School, New Hyde Park, New York 11040
| | - Andre F Palmer
- William G. Lawrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, and
| | - Pedro Cabrales
- Department of Bioengineering, University of California, San Diego, La Jolla, California 92093-0412
| | - Gary Gerfen
- From the Department of Physiology and Biophysics, Albert Einstein College of Medicine, Bronx, New York 10461
| | - Joel M Friedman
- From the Department of Physiology and Biophysics, Albert Einstein College of Medicine, Bronx, New York 10461,
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62
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Eslami A, Hasani N, Yeganegi S. A Differential Scanning Calorimetry and Theoretical Study on the Isomerization oftrans-[Co(cyclam)(ONO)2]X (X = PF6-, ClO4-). Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201402174] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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63
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Affiliation(s)
- Luisa B. Maia
- REQUIMTE/CQFB, Departamento
de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - José J. G. Moura
- REQUIMTE/CQFB, Departamento
de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
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64
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Ghosh K, Kumar S, Kumar R. Ruthenium-Nitrosyl Complexes Derived from Ligands Containing Two Carboxylate Functional Groups and Studies on the Photolability of Coordinated NO. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201301225] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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65
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Nitrosyl-Centered Redox and Acid–Base Interconversions in [Ru(Me3[9]aneN3)(bpy)(NO)]3,2,1+. The pKa of HNO for its Nitroxyl Derivative in Aqueous Solution. Inorg Chem 2014; 53:981-97. [DOI: 10.1021/ic402448p] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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66
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Gonorazky G, Distéfano AM, García-Mata C, Lamattina L, Laxalt AM. Phospholipases in Nitric Oxide-Mediated Plant Signaling. SIGNALING AND COMMUNICATION IN PLANTS 2014. [DOI: 10.1007/978-3-642-42011-5_8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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67
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Domínguez SE, Alborés P, Fagalde F. Photoinduced linkage isomerization in new rhenium(I) tricarbonyl complexes coordinated to N-nitrite and O-nitrite. Polyhedron 2014. [DOI: 10.1016/j.poly.2013.10.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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68
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Kurtikyan TS, Eksuzyan SR, Goodwin JA, Hovhannisyan GS. Nitric oxide interaction with oxy-coboglobin models containing trans-pyridine ligand: two reaction pathways. Inorg Chem 2013; 52:12046-56. [PMID: 24090349 DOI: 10.1021/ic4018689] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The oxy-cobolglobin models of the general formula (Py)Co(Por)(O2) (Por = meso-tetraphenyl- and meso-tetra-p-tolylporphyrinato dianions) were constructed by sequential low-temperature interaction of Py and dioxygen with microporous layers of Co-porphyrins. At cryogenic temperatures small increments of NO were introduced into the cryostat and the following reactions were monitored by the FTIR and UV-visible spectroscopy during slow warming. Similar to the recently studied (NH3)Co(Por)(O2) system (Kurtikyan et al. J. Am. Chem. Soc., 2012, 134, 13671-13680), this interaction leads to the nitric oxide dioxygenation reaction with the formation of thermally unstable nitrato complexes (Py)Co(Por)(η(1)-ONO2). The reaction proceeds through the formation of the six-coordinate peroxynitrite adducts (Py)Co(Por)(OONO), as was demonstrated by FTIR measurements with the use of isotopically labeled (18)O2, (15)NO, N(18)O, and (15)N(18)O species and DFT calculations. In contrast to the ammonia system, however, the binding of dioxygen in (Py)Co(Por)(O2) is weaker and the second reaction pathway takes place due to autoxidation of NO by rebound O2 that in NO excess gives N2O3 and N2O4 species adsorbed in the layer. This leads eventually to partial formation of (Py)Co(Por)(NO) and (Py)Co(Por)(NO2) as a result of NO and NO2 reactions with five-coordinate Co(Por)(Py) complexes that are present in the layer after the O2 has been released. The former is thermally unstable and at room temperature passes to the five-coordinate nitrosyl complex, while the latter is a stable compound. In these experiments at 210 K, the layer consists mostly of six-coordinate nitrato complexes and some minor quantities of six-coordinate nitro and nitrosyl species. Their relative quantities depend on the experimental conditions, and the yield of nitrato species is proportional to the relative quantity of peroxynitrite intermediate. Using differently labeled nitrogen oxide isotopomers in different stages of the process the formation of the caged radical pair after homolytic disruption of the O-O bond in peroxynitrite moiety is clearly shown. The composition of the layers upon farther warming to room temperature depends on the experimental conditions. In vacuo the six-coordinate nitrato complexes decompose to give nitrate anion and oxidized cationic complex Co(III)(Por)(Py)2. In the presence of NO excess, however, the nitro-pyridine complexes (Py)Co(Por)(NO2) are predominantly formed formally indicating the oxo-transfer reactivity of (Py)Co(Por)(η(1)-ONO2) with regard to NO. Using differently labeled nitrogen in nitric oxide and coordinated nitrate a plausible mechanism of this reaction is suggested based on the isotope distribution in the nitro complexes formed.
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Affiliation(s)
- Tigran S Kurtikyan
- Molecule Structure Research Centre (MSRC), Scientific and Technological Centre of Organic and Pharmaceutical Chemistry NAS , 0014, Yerevan, Armenia
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69
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Suárez SA, Bikiel DE, Wetzler DE, Martí MA, Doctorovich F. Time-Resolved Electrochemical Quantification of Azanone (HNO) at Low Nanomolar Level. Anal Chem 2013; 85:10262-9. [DOI: 10.1021/ac402134b] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Sebastián A. Suárez
- Departamento
de Química Inorgánica, Analítica
y Química Física/INQUIMAE-CONICET, and ‡Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Damian E. Bikiel
- Departamento
de Química Inorgánica, Analítica
y Química Física/INQUIMAE-CONICET, and ‡Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Diana E. Wetzler
- Departamento
de Química Inorgánica, Analítica
y Química Física/INQUIMAE-CONICET, and ‡Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Marcelo A. Martí
- Departamento
de Química Inorgánica, Analítica
y Química Física/INQUIMAE-CONICET, and ‡Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Fabio Doctorovich
- Departamento
de Química Inorgánica, Analítica
y Química Física/INQUIMAE-CONICET, and ‡Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab. II, C1428EHA, Buenos Aires, Argentina
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Abstract
Despite its reactivity and hence toxicity to living cells, sulfite is readily converted by various microorganisms using distinct assimilatory and dissimilatory metabolic routes. In respiratory pathways, sulfite either serves as a primary electron donor or terminal electron acceptor (yielding sulfate or sulfide, respectively), and its conversion drives electron transport chains that are coupled to chemiosmotic ATP synthesis. Notably, such processes are also seen to play a general role in sulfite detoxification, which is assumed to have an evolutionary ancient origin. The diversity of sulfite conversion is reflected by the fact that the range of microbial sulfite-converting enzymes displays different cofactors such as siroheme, heme c, or molybdopterin. This chapter aims to summarize the current knowledge of microbial sulfite metabolism and focuses on sulfite catabolism. The structure and function of sulfite-converting enzymes and the emerging picture of the modular architecture of the corresponding respiratory/detoxifying electron transport chains is emphasized.
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Affiliation(s)
- Jörg Simon
- Department of Biology, Microbial Energy Conversion and Biotechnology, Technische Universität Darmstadt, Schnittspahnstrasse 10, 64287 Darmstadt, Germany.
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71
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Heinrich TA, da Silva RS, Miranda KM, Switzer CH, Wink DA, Fukuto JM. Biological nitric oxide signalling: chemistry and terminology. Br J Pharmacol 2013; 169:1417-29. [PMID: 23617570 PMCID: PMC3724101 DOI: 10.1111/bph.12217] [Citation(s) in RCA: 175] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 03/05/2013] [Accepted: 03/26/2013] [Indexed: 12/12/2022] Open
Abstract
Biological nitrogen oxide signalling and stress is an area of extreme clinical, pharmacological, toxicological, biochemical and chemical research interest. The utility of nitric oxide and derived species as signalling agents is due to their novel and vast chemical interactions with a variety of biological targets. Herein, the chemistry associated with the interaction of the biologically relevant nitrogen oxide species with fundamental biochemical targets is discussed. Specifically, the chemical interactions of nitrogen oxides with nucleophiles (e.g. thiols), metals (e.g. hemeproteins) and paramagnetic species (e.g. dioxygen and superoxide) are addressed. Importantly, the terms associated with the mechanisms by which NO (and derived species) react with their respective biological targets have been defined by numerous past chemical studies. Thus, in order to assist researchers in referring to chemical processes associated with nitrogen oxide biology, the vernacular associated with these chemical interactions is addressed.
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Affiliation(s)
- Tassiele A Heinrich
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto – USPRibeirão Preto, Brazil
| | - Roberto S da Silva
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto – USPRibeirão Preto, Brazil
| | - Katrina M Miranda
- Department of Chemistry and Biochemistry, University of ArizonaTucson, AZ, USA
| | - Christopher H Switzer
- Radiation Biology Branch, National Cancer Institute, National Institutes of HealthBethesda, MD, USA
| | - David A Wink
- Radiation Biology Branch, National Cancer Institute, National Institutes of HealthBethesda, MD, USA
| | - Jon M Fukuto
- Department of Chemistry, Sonoma State UniversityRohnert Park, CA, USA
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72
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Ghosh K, Kumar S, Kumar R. Donation and scavenging of nitric oxide (NO) by flipping of the denticity of carboxylate ligand in novel ruthenium complexes: Photolability of the coordinated NO. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2013.04.042] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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73
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Beck W, Fischer G, Göbel M, Evers J, Klapötke TM. A Review on Nitrosyl Metal Halides and Mass Spectroscopic Support for the Dimeric Structure of [Ni(NO)I] 2and [Pd(NO)Cl] 2. A Tribute to Walter Hieber (1895-1976) and Fritz Seel (1915-1987). Z Anorg Allg Chem 2013. [DOI: 10.1002/zaac.201200487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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74
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Roche CJ, Cassera MB, Dantsker D, Hirsch RE, Friedman JM. Generating S-nitrosothiols from hemoglobin: mechanisms, conformational dependence, and physiological relevance. J Biol Chem 2013; 288:22408-25. [PMID: 23775069 DOI: 10.1074/jbc.m113.482679] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
In vitro, ferrous deoxy-hemes in hemoglobin (Hb) react with nitrite to generate nitric oxide (NO) through a nitrite reductase reaction. In vivo studies indicate Hb with nitrite can be a source of NO bioactivity. The nitrite reductase reaction does not appear to account fully for this activity because free NO is short lived especially within the red blood cell. Thus, the exporting of NO bioactivity both out of the RBC and over a large distance requires an additional mechanism. A nitrite anhydrase (NA) reaction in which N2O3, a potent S-nitrosating agent, is produced through the reaction of NO with ferric heme-bound nitrite has been proposed (Basu, S., Grubina, R., Huang, J., Conradie, J., Huang, Z., Jeffers, A., Jiang, A., He, X., Azarov, I., Seibert, R., Mehta, A., Patel, R., King, S. B., Hogg, N., Ghosh, A., Gladwin, M. T., and Kim-Shapiro, D. B. (2007) Nat. Chem. Biol. 3, 785-794) as a possible mechanism. Legitimate concerns, including physiological relevance and the nature of the mechanism, have been raised concerning the NA reaction. This study addresses these concerns demonstrating NO and nitrite with ferric hemes under near physiological conditions yield an intermediate having the properties of the purported NA heme-bound N2O3 intermediate. The results indicate that ferric heme sites, traditionally viewed as a source of potential toxicity, can be functionally significant, especially for partially oxygenated/partially met-R state Hb that arises from the NO dioxygenation reaction. In the presence of low levels of nitrite and either NO or a suitable reductant such as L-cysteine, these ferric heme sites can function as a generator for the formation of S-nitrosothiols such as S-nitrosoglutathione and, as such, should be considered as a source of RBC-derived and exportable bioactive NO.
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Affiliation(s)
- Camille J Roche
- Department of Physiology and Biophysics, Albert Einstein College of Medicine, Bronx, New York 10461, USA
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75
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Heinecke JL, Khin C, Pereira JCM, Suárez SA, Iretskii AV, Doctorovich F, Ford PC. Nitrite reduction mediated by heme models. Routes to NO and HNO? J Am Chem Soc 2013; 135:4007-17. [PMID: 23421316 DOI: 10.1021/ja312092x] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The water-soluble ferriheme model Fe(III)(TPPS) mediates oxygen atom transfer from inorganic nitrite to a water-soluble phosphine (tppts), dimethyl sulfide, and the biological thiols cysteine (CysSH) and glutathione (GSH). The products with the latter reductant are the respective sulfenic acids CysS(O)H and GS(O)H, although these reactive intermediates are rapidly trapped by reaction with excess thiol. The nitrosyl complex Fe(II)(TPPS)(NO) is the dominant iron species while excess substrate is present. However, in slightly acidic media (pH ≈ 6), the system does not terminate at this very stable ferrous nitrosyl. Instead, it displays a matrix of redox transformations linking spontaneous regeneration of Fe(III)(TPPS) to the formation of both N2O and NO. Electrochemical sensor and trapping experiments demonstrate that HNO (nitroxyl) is formed, at least when tppts is the reductant. HNO is the likely predecessor of the N2O. A key pathway to NO formation is nitrite reduction by Fe(II)(TPPS), and the kinetics of this iron-mediated transformation are described. Given that inorganic nitrite has protective roles during ischemia/reperfusion (I/R) injury to organs, attributed in part to NO formation, and that HNO may also reduce net damage from I/R, the present studies are relevant to potential mechanisms of such nitrite protection.
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Affiliation(s)
- Julie L Heinecke
- Department of Chemistry and Biochemistry, University of California at Santa Barbara, Santa Barbara, California 93106-9510, USA
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76
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Fu H, Chen H, Wang J, Zhou G, Zhang H, Zhang L, Gao H. Crp-dependent cytochromebdoxidase confers nitrite resistance toShewanella oneidensis. Environ Microbiol 2013; 15:2198-212. [DOI: 10.1111/1462-2920.12091] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Accepted: 01/17/2013] [Indexed: 11/28/2022]
Affiliation(s)
- Huihui Fu
- Institute of Microbiology and College of Life Sciences; Zhejiang University; Hangzhou; Zhejiang; 310058; China
| | - Haijiang Chen
- Institute of Microbiology and College of Life Sciences; Zhejiang University; Hangzhou; Zhejiang; 310058; China
| | - Jixuan Wang
- Institute of Microbiology and College of Life Sciences; Zhejiang University; Hangzhou; Zhejiang; 310058; China
| | - Guangqi Zhou
- Institute of Microbiology and College of Life Sciences; Zhejiang University; Hangzhou; Zhejiang; 310058; China
| | | | - Lili Zhang
- College of Life Sciences; Tarim University; Alar; Xinjiang; 843300; China
| | - Haichun Gao
- Institute of Microbiology and College of Life Sciences; Zhejiang University; Hangzhou; Zhejiang; 310058; China
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77
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Fukuto JM, Cisneros CJ, Kinkade RL. A comparison of the chemistry associated with the biological signaling and actions of nitroxyl (HNO) and nitric oxide (NO). J Inorg Biochem 2013; 118:201-8. [DOI: 10.1016/j.jinorgbio.2012.08.027] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Revised: 08/15/2012] [Accepted: 08/24/2012] [Indexed: 10/27/2022]
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78
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Ghosh K, Kumar R, Kumar S, Meena JS. Syntheses, structures and properties of ruthenium complexes of tridentate ligands: isolation and characterization of a rare example of ruthenium nitrosyl complex containing {RuNO}5 moiety. Dalton Trans 2013; 42:13444-52. [DOI: 10.1039/c3dt00027c] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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79
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Wong JL, Sánchez RH, Logan JG, Zarkesh RA, Ziller JW, Heyduk AF. Disulfide reductive elimination from an iron(iii) complex. Chem Sci 2013. [DOI: 10.1039/c3sc22335c] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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80
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Chen Y, Song H, Mao J, Liu M, Ding C, Pan Z. Design and synthesis of two macrocyclic dinuclear copper(II) complexes with reversible binding of nitric oxide. INORG CHEM COMMUN 2013. [DOI: 10.1016/j.inoche.2012.10.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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81
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Mechanisms of Nitric Oxide Reactions Mediated by Biologically Relevant Metal Centers. NITROSYL COMPLEXES IN INORGANIC CHEMISTRY, BIOCHEMISTRY AND MEDICINE II 2013. [DOI: 10.1007/430_2013_117] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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82
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Abstract
Nitric oxide (NO) has been demonstrated as an essential regulator of several physiological processes in plants. The understanding of the molecular mechanism underlying its critical role constitutes a major field of research. NO can exert its biological function through different ways, such as the modulation of gene expression, the mobilization of second messengers, or interplays with protein kinases. Besides this signaling events, NO can be responsible of the posttranslational modifications (PTM) of target proteins. Several modifications have been identified so far, whereas metal nitrosylation, the tyrosine nitration and the S-nitrosylation can be considered as the main ones. Recent data demonstrate that these PTM are involved in the control of a wide range of physiological processes in plants, such as the plant immune system. However, a great deal of effort is still necessary to pinpoint the role of each PTM in plant physiology. Taken together, these new advances in proteomic research provide a better comprehension of the role of NO in plant signaling.
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Affiliation(s)
- Jeremy Astier
- Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany.
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83
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Hematian S, Siegler MA, Karlin KD. Heme/copper assembly mediated nitrite and nitric oxide interconversion. J Am Chem Soc 2012; 134:18912-5. [PMID: 23130610 DOI: 10.1021/ja3083818] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The heme(a3)/Cu(B) active site of cytochrome c oxidase is responsible for cellular nitrite reduction to nitric oxide; the same center can return NO to the nitrite pool via oxidative chemistry. Here, we show that a partially reduced heme/Cu assembly reduces NO(2)(-) ion, producing nitric oxide. The heme serves as the reductant, but the Cu(II) ion is also required. In turn, a μ-oxo heme-Fe(III)-O-Cu(II) complex facilitates NO oxidation to nitrite; the final products are the reduced heme and Cu(II)-nitrito complexes.
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Affiliation(s)
- Shabnam Hematian
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, USA
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84
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Farhana A, Saini V, Kumar A, Lancaster JR, Steyn AJ. Environmental heme-based sensor proteins: implications for understanding bacterial pathogenesis. Antioxid Redox Signal 2012; 17:1232-45. [PMID: 22494151 PMCID: PMC3430476 DOI: 10.1089/ars.2012.4613] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Accepted: 04/11/2012] [Indexed: 11/13/2022]
Abstract
SIGNIFICANCE Heme is an important prosthetic group required in a wide array of functions, including respiration, photosynthesis, metabolism, O(2) transport, xenobiotic detoxification, and peroxide production and destruction, and is an essential cofactor in proteins such as catalases, peroxidases, and members of the cytochrome P450 superfamily. Importantly, bacterial heme-based sensor proteins exploit the redox chemistry of heme to sense environmental gases and the intracellular redox state of the cell. RECENT ADVANCES The bacterial proteins FixL (Rhizobium ssp.), CooA (Rhodospirillum rubrum), EcDos (Escherichia. coli), RcoM (Burkholderia xenovorans), and particularly Mycobacterium tuberculosis (Mtb) DosS and DosT have emerged as model paradigms of environmental heme-based sensors capable of detecting multiple gases including NO, CO, and O(2). CRITICAL ISSUES How the diatomic gases NO, CO, or O(2) bind to heme iron to generate Fe-NO, Fe-CO, and Fe-O(2) bonds, respectively, and how the oxidation of heme iron by O(2) serves as a sensing mechanism that controls the activity of key proteins is complex and largely unclear. This is particularly important as many bacterial pathogens, including Mtb, encounters three overlapping host gases (NO, CO, and O(2)) during human infection. FUTURE DIRECTIONS Heme is an important prosthetic group that monitors the microbe's internal and external surroundings to alter signal transduction or enzymatic activation. Modern expression, metabolomic and biochemical technologies combined with in vivo pathogenesis studies should provide fresh insights into the mechanism of action of heme-based redox sensors.
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Affiliation(s)
- Aisha Farhana
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Vikram Saini
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Ashwani Kumar
- Institute of Microbial Technology, Chandigarh, India
| | - Jack R. Lancaster
- Department of Anesthesiology, Physiology and Biophysics, and Environmental Sciences, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Free Radical Biology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Adrie J.C. Steyn
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama
- Department of Free Radical Biology, University of Alabama at Birmingham, Birmingham, Alabama
- Centers for AIDS Research, University of Alabama at Birmingham, Birmingham, Alabama
- KwaZulu-Natal Research Institute for Tuberculosis and HIV, Durban, South Africa
- Department of Pathology, Nelson Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa
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85
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He C, Ogata H, Knipp M. Insertion of an H-Bonding Residue into the Distal Pocket of the Ferriheme Protein Nitrophorin 4: Effect on NitriteIron Coordination and Nitrite Disproportionation. Chem Biodivers 2012; 9:1761-75. [DOI: 10.1002/cbdv.201100401] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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86
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Bhuyan J, Sarkar S. Nitrous‐Acid‐Mediated Synthesis of Iron–Nitrosyl–Porphyrin: pH‐Dependent Release of Nitric Oxide. Chem Asian J 2012; 7:2690-5. [DOI: 10.1002/asia.201200518] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Revised: 07/01/2012] [Indexed: 11/07/2022]
Affiliation(s)
- Jagannath Bhuyan
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur‐208016, U.P. (India)
| | - Sabyasachi Sarkar
- Department of Chemistry, Bengal Engineering and Science University, Shibpur, Howrah‐711103 (West Bengal)
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87
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Tejero J, Basu S, Helms C, Hogg N, King SB, Kim-Shapiro DB, Gladwin MT. Low NO concentration dependence of reductive nitrosylation reaction of hemoglobin. J Biol Chem 2012; 287:18262-74. [PMID: 22493289 DOI: 10.1074/jbc.m111.298927] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The reductive nitrosylation of ferric (met)hemoglobin is of considerable interest and remains incompletely explained. We have previously observed that at low NO concentrations the reaction with tetrameric hemoglobin occurs with an observed rate constant that is at least 5 times faster than that observed at higher concentrations. This was ascribed to a faster reaction of NO with a methemoglobin-nitrite complex. We now report detailed studies of this reaction of low NO with methemoglobin. Nitric oxide paradoxically reacts with ferric hemoglobin with faster observed rate constants at the lower NO concentration in a manner that is not affected by changes in nitrite concentration, suggesting that it is not a competition between NO and nitrite, as we previously hypothesized. By evaluation of the fast reaction in the presence of allosteric effectors and isolated β- and α-chains of hemoglobin, it appears that NO reacts with a subpopulation of β-subunit ferric hemes whose population is influenced by quaternary state, redox potential, and hemoglobin dimerization. To further characterize the role of nitrite, we developed a system that oxidizes nitrite to nitrate to eliminate nitrite contamination. Removal of nitrite does not alter reaction kinetics, but modulates reaction products, with a decrease in the formation of S-nitrosothiols. These results are consistent with the formation of NO(2)/N(2)O(3) in the presence of nitrite. The observed fast reductive nitrosylation observed at low NO concentrations may function to preserve NO bioactivity via primary oxidation of NO to form nitrite or in the presence of nitrite to form N(2)O(3) and S-nitrosothiols.
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Affiliation(s)
- Jesús Tejero
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
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88
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Bowman LAH, McLean S, Poole RK, Fukuto JM. The diversity of microbial responses to nitric oxide and agents of nitrosative stress close cousins but not identical twins. Adv Microb Physiol 2012; 59:135-219. [PMID: 22114842 DOI: 10.1016/b978-0-12-387661-4.00006-9] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Nitric oxide and related nitrogen species (reactive nitrogen species) now occupy a central position in contemporary medicine, physiology, biochemistry, and microbiology. In particular, NO plays important antimicrobial defenses in innate immunity but microbes have evolved intricate NO-sensing and defense mechanisms that are the subjects of a vast literature. Unfortunately, the burgeoning NO literature has not always been accompanied by an understanding of the intricacies and complexities of this radical and other reactive nitrogen species so that there exists confusion and vagueness about which one or more species exert the reported biological effects. The biological chemistry of NO and derived/related molecules is complex, due to multiple species that can be generated from NO in biological milieu and numerous possible reaction targets. Moreover, the fate and disposition of NO is always a function of its biological environment, which can vary significantly even within a single cell. In this review, we consider newer aspects of the literature but, most importantly, consider the underlying chemistry and draw attention to the distinctiveness of NO and its chemical cousins, nitrosonium (NO(+)), nitroxyl (NO(-), HNO), peroxynitrite (ONOO(-)), nitrite (NO(2)(-)), and nitrogen dioxide (NO(2)). All these species are reported to be generated in biological systems from initial formation of NO (from nitrite, NO synthases, or other sources) or its provision in biological experiments (typically from NO gas, S-nitrosothiols, or NO donor compounds). The major targets of NO and nitrosative damage (metal centers, thiols, and others) are reviewed and emphasis is given to newer "-omic" methods of unraveling the complex repercussions of NO and nitrogen oxide assaults. Microbial defense mechanisms, many of which are critical for pathogenicity, include the activities of hemoglobins that enzymically detoxify NO (to nitrate) and NO reductases and repair mechanisms (e.g., those that reverse S-nitrosothiol formation). Microbial resistance to these stresses is generally inducible and many diverse transcriptional regulators are involved-some that are secondary sensors (such as Fnr) and those that are "dedicated" (such as NorR, NsrR, NssR) in that their physiological function appears to be detecting primarily NO and then regulating expression of genes that encode enzymes with NO as a substrate. Although generally harmful, evidence is accumulating that NO may have beneficial effects, as in the case of the squid-Vibrio light-organ symbiosis, where NO serves as a signal, antioxidant, and specificity determinant. Progress in this area will require a thorough understanding not only of the biology but also of the underlying chemical principles.
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Affiliation(s)
- Lesley A H Bowman
- Department of Molecular Biology and Biotechnology, The University of Sheffield, Sheffield, UK
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89
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Joslin JM, Reynolds MM. Kinetics of S-nitrosation processes in aqueous polymer solution for controlled nitric oxide loading: toward tunable biomaterials. ACS APPLIED MATERIALS & INTERFACES 2012; 4:1126-1133. [PMID: 22264053 DOI: 10.1021/am201807c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
An understanding of the nitrosation processes that dictate S-nitrosothiol formation in the presence of a polymer is crucial toward the controlled synthesis of nitric oxide (NO)-releasing materials, an important class of biomaterials that mimic the natural function of cells. Herein, the kinetics of S-nitrosoglutathione (GSNO) formation in the presence of dextran under a variety of nitrosation conditions, including the nitrosating agent and the dextran concentration, are reported. When comparing nitrous acid and t-butyl nitrite as the nitrosating agent, the use of nitrous acid results in 100% nitrosation of the thiol sites within less than a minute and t-butyl nitrite requires more than 5 min to reach completion. This trend establishes nitrous acid as a highly efficient nitrosating agent. In the presence of increasing dextran concentration from 0 w/v% to 10 w/v%, the extent of nitrosation decreases by approximately 5% and 30% using nitrous acid and t-butyl nitrite, respectively. With sufficient reaction time, either reagent leads to 100% nitrosation. This indicates that t-butyl nitrite is the preferred reagent for fine-tuned NO loading of thiol sites as the extent of reaction is greatly impacted by the polymer concentration. Taken together, these studies provide valuable insights regarding the ability to tailor NO storage within biomaterials for use in a wide range of clinical applications.
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Affiliation(s)
- Jessica M Joslin
- Department of Chemistry, Colorado State University, 1872 Campus Delivery, Fort Collins, Colorado 80523, United States
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90
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A detailed investigation into the electronic structures of macrocyclic iron(II)-nitrosyl compounds and their similarities to ferrous heme-nitrosyls. Inorganica Chim Acta 2012. [DOI: 10.1016/j.ica.2011.09.039] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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91
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Kurtikyan TS, Hayrapetyan VA, Martirosyan GG, Ghazaryan RK, Iretskii AV, Zhao H, Pierloot K, Ford PC. Nitrosyl isomerism in amorphous Mn(TPP)(NO) solids. Chem Commun (Camb) 2012; 48:12088-90. [DOI: 10.1039/c2cc37337h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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92
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Man WL, W. Y. Lam W, Ng SM, Y. K. Tsang W, Lau TC. Oxygen Atom Transfer from a trans-Dioxoruthenium(VI) Complex to Nitric Oxide. Chemistry 2011; 18:138-44. [DOI: 10.1002/chem.201102297] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Indexed: 11/11/2022]
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93
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Doctorovich F, Bikiel D, Pellegrino J, Suárez SA, Larsen A, Martí MA. Nitroxyl (azanone) trapping by metalloporphyrins. Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2011.04.012] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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94
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Generation, Translocation, and Action of Nitric Oxide in Living Systems. ACTA ACUST UNITED AC 2011; 18:1211-20. [DOI: 10.1016/j.chembiol.2011.09.009] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Revised: 09/19/2011] [Accepted: 09/20/2011] [Indexed: 01/01/2023]
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95
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He C, Neya S, Knipp M. Breaking the Proximal FeII–NHis Bond in Heme Proteins through Local Structural Tension: Lessons from the Heme b Proteins Nitrophorin 4, Nitrophorin 7, and Related Site-Directed Mutant Proteins. Biochemistry 2011; 50:8559-75. [DOI: 10.1021/bi201073t] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Chunmao He
- Max-Planck-Institut für Bioanorganische Chemie, Stiftstrasse 34-36, D-45470
Mülheim an der Ruhr, Germany
| | - Saburo Neya
- Department of Physical Chemistry, Graduate School of Pharmaceutical
Sciences, Chiba University, Image-Yayoi,
Chiba 263-8522, Japan
| | - Markus Knipp
- Max-Planck-Institut für Bioanorganische Chemie, Stiftstrasse 34-36, D-45470
Mülheim an der Ruhr, Germany
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96
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Vitturi DA, Patel RP. Current perspectives and challenges in understanding the role of nitrite as an integral player in nitric oxide biology and therapy. Free Radic Biol Med 2011; 51:805-12. [PMID: 21683783 PMCID: PMC3148353 DOI: 10.1016/j.freeradbiomed.2011.05.037] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Revised: 05/19/2011] [Accepted: 05/26/2011] [Indexed: 12/20/2022]
Abstract
Beyond an inert oxidation product of nitric oxide (NO) metabolism, current thinking posits a key role for nitrite as a mediator of NO signaling, especially during hypoxia. This concept has been discussed in the context of nitrite serving a role as an endogenous modulator of NO homeostasis, but also from a novel clinical perspective whereby nitrite therapy may replenish NO signaling and prevent ischemic tissue injury. Indeed, the relatively rapid translation of studies delineating mechanisms of action to ongoing and planned clinical trials has been critical in fuelling interest in nitrite biology, and several excellent reviews have been written on this topic. In this article we limit our discussions to current concepts and what we feel are questions that remain unanswered within the paradigm of nitrite being a mediator of NO biology.
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Affiliation(s)
- Dario A Vitturi
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA 15260, USA
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97
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Lanucara F, Chiavarino B, Crestoni ME, Scuderi D, Sinha RK, Maı̂tre P, Fornarini S. Naked Five-Coordinate FeIII(NO) Porphyrin Complexes: Vibrational and Reactivity Features. Inorg Chem 2011; 50:4445-52. [DOI: 10.1021/ic200073v] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Francesco Lanucara
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma “La Sapienza”, P.le A. Moro 5, I-00185, Roma, Italy
| | - Barbara Chiavarino
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma “La Sapienza”, P.le A. Moro 5, I-00185, Roma, Italy
| | - Maria Elisa Crestoni
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma “La Sapienza”, P.le A. Moro 5, I-00185, Roma, Italy
| | - Debora Scuderi
- Laboratoire de Chimie Physique, UMR8000 CNRS, Faculté des Sciences, Université Paris Sud, Bâtiment 350, 91405 Orsay Cedex, France
| | - Rajeev K. Sinha
- Laboratoire de Chimie Physique, UMR8000 CNRS, Faculté des Sciences, Université Paris Sud, Bâtiment 350, 91405 Orsay Cedex, France
| | - Philippe Maı̂tre
- Laboratoire de Chimie Physique, UMR8000 CNRS, Faculté des Sciences, Université Paris Sud, Bâtiment 350, 91405 Orsay Cedex, France
| | - Simonetta Fornarini
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma “La Sapienza”, P.le A. Moro 5, I-00185, Roma, Italy
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