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Binding of molecular oxygen by an artificial heme analogue: investigation on the formation of an Fe–tetracarbene superoxo complex

Autor: Mirza Cokoja, Manuel P. Högerl, Fritz E. Kühn, Stefan Haslinger, Alexander Pöthig, Valerio D'Elia, Jean-Marie Basset, Markus R. Anneser

Publikováno v: Dalton Transactions. 45:6449-6455

The dioxygen reactivity of a cyclic iron(ii) tetra-NHC-complex (NHC: N-heterocyclic carbene) is investigated. Divergent oxidation behavior is observed depending on the choice of the solvent (acetonitrile or acetone). In the first case, exposure to mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3287c93173e2b7bd8f396e49c6909199
https://doi.org/10.1039/c6dt00538a

Bioenergetic relevance of hydrogen sulfide and the interplay between gasotransmitters at human cystathionine β-synthase

Autor: Alessandro Giuffrè, Elena Forte, Marzia Arese, João B. Vicente, Paolo Sarti, Francesca Malagrinò

Publikováno v: Biochimica et biophysica acta. Bioenergetics 1857 (2016): 1127–1138. doi:10.1016/j.bbabio.2016.03.030
info:cnr-pdr/source/autori:Vicente, Joao B.; Malagrino, Francesca; Arese, Marzia; Forte, Elena; Sarti, Paolo; Giuffre, Alessandro/titolo:Bioenergetic relevance of hydrogen sulfide and the interplay between gasotransmitters at human cystathionine beta-synthase/doi:10.1016%2Fj.bbabio.2016.03.030/rivista:Biochimica et biophysica acta. Bioenergetics/anno:2016/pagina_da:1127/pagina_a:1138/intervallo_pagine:1127–1138/volume:1857
Biochimica et Biophysica Acta (BBA)-Bioenergetics

Merely considered as a toxic gas in the past, hydrogen sulfide (H2S) is currently viewed as the third 'gasotransmittee in addition to nitric oxide (NO) and carbon monoxide (CO), playing a key signalling role in human (patho)physiology. H2S can either

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43f722d905be11bf4cf9c0c49c1d3c66
https://pubmed.ncbi.nlm.nih.gov/27039165

Characterization of a six-coordinate ferrous high-spin heme with both intramolecular axial carboxylic acid and pyridine

Autor: Bernard Boitrel, Thierry Roisnel, Jean-François Halet, Eric Furet, Ismail Hijazi, Olivier Cador, Pascale Even-Hernandez

Publikováno v: Journal of the American Chemical Society
Journal of the American Chemical Society, American Chemical Society, 2010, 132 (31), pp.10652-3. ⟨10.1021/ja103825g⟩
Journal of the American Chemical Society, 2010, 132 (31), pp.10652-3. ⟨10.1021/ja103825g⟩

International audience; Synthesis of a bis-strapped porphyrin with a pyridyl residue on one side and a malonic acid on the other side gives after iron(II) insertion a six-coordinate complex in which both apical groups are the two axial ligands of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::febe1fc02dff2ed9cbbe9ea722b395ec
https://hal.archives-ouvertes.fr/hal-00737543

Bacteria capture iron from heme by keeping tetrapyrrol skeleton intact

Autor: Gesine Heuck, Sylvie Létoffé, Philippe Delepelaire, Norbert Lange, Cécile Wandersman

Publikováno v: Proceedings of the National Academy of Sciences, Vol. 106, No 28 (2009) pp. 11719-24

Because heme is a major iron-containing molecule in vertebrates, the ability to use heme-bound iron is a determining factor in successful infection by bacterial pathogens. Until today, all known enzymes performing iron extraction from heme did so thr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62dfab955327105bf6d021ae05c4f65a
https://pubmed.ncbi.nlm.nih.gov/19564607