ArticleInorganic chemistry2010
Hydrosulfide (HS-) coordination in iron porphyrinates.
Article in Inorganic chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 75 citations in OpenAlex.
- Desulfurization of thiosemicarbazones: the role of metal ions and biological implications.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2024Review
- Sol-Gel Dipping Devices for HSensors (Basel, Switzerland) · 2023Article
- HACS omega · 2022Review
- Structural analysis of Cytochrome P450 BM3 mutant M11 in complex with dithiothreitol.PloS one · 2019Article
- AuPt Alloy Nanostructures with Tunable Composition and Enzyme-like Activities for Colorimetric Detection of Bisulfide.Scientific reports · 2017Article
- Biogenesis of reactive sulfur species for signaling by hydrogen sulfide oxidation pathways.Nature chemical biology · 2015Article
- Sulfide oxidation by a noncanonical pathway in red blood cells generates thiosulfate and polysulfides.The Journal of biological chemistry · 2015Article
- Interactions of hydrogen sulfide with myeloperoxidase.British journal of pharmacology · 2015Article
- Reactivity of uranium(iii) with HChemical science · 2015Article
- Three toxic gases meet in the mitochondria.Frontiers in physiology · 2015Review
- Redox chemistry and chemical biology of H2S, hydropersulfides, and derived species: implications of their possible biological activity and utility.Free radical biology & medicine · 2014Review
- Kinetics and mechanism of the reaction of hydrogen sulfide with diaquacobinamide in aqueous solution.European journal of inorganic chemistry · 2014Article
- Chemically reversible reactions of hydrogen sulfide with metal phthalocyanines.Inorganic chemistry · 2014Article
- Hydrogen sulfide activation in hemeproteins: the sulfheme scenario.Journal of inorganic biochemistry · 2014Review
- Detection of protein S-sulfhydration by a tag-switch technique.Angewandte Chemie (International ed. in English) · 2014Article
- Studies of iron(III) porphyrinates containing silanethiolate ligands.Inorganic chemistry · 2013Article
- Hydrogen sulfide and hemeproteins: knowledge and mysteries.Antioxidants & redox signaling · 2011Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Recent reports of potential physiological roles of hydrogen sulfide have prompted interest in heme-sulfide interactions. Heme-H(2)S and/or heme-HS(-) interactions could potentially occur during endogenous production, transport, signaling events, and catabolism of H(2)S. We have investigated the interaction of the hydrosulfide ion (HS(-)) with iron porphyrinates. UV-vis spectral studies show the formation of [Fe(Por)(SH)](-), [Fe(Por)(SH)(2)](2-), and the mixed-ligand species [Fe(Por)(Im)(SH)](-). UV-vis binding studies of [Fe(OEP)] and [Fe(T-p-OMePP)] (OEP = octaethylporphyrinate; T-p-OMePP = tetra-p-methoxyphenylporphyrinate) with HS(-) allowed for calculation of the formation constants and extinction coefficients of mono- and bis-HS(-) complexes. We report the synthesis of the first HS(-)-bound iron(II) porphyrin compounds, [Na(222)][Fe(OEP)(SH)].0.5C(6)H(6) and [Na(222)][Fe(T-p-OMePP)(SH)].C(6)H(5)Cl (222 = Kryptofix-222). Characterization by single-crystal X-ray analysis, mass spectrometry, and Mossbauer and IR spectroscopy is all consistent with that of known sulfur-bound high-spin iron(II) compounds. The Fe-S distances of 2.3929(5) and 2.3887(13) A are longer than all reported values of [Fe(II)(Por)(SR)](-) species. An analysis of the porphyrin nonplanarity for these derivatives and for all five-coordinate high-spin iron(II) porphyrinate derivatives with an axial anion ligand is presented. In our hands, attempts to synthesize iron(III) HS(-) derivatives led to iron(II) species.
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