Development of a Rhodobacter capsulatus self‐reporting model system for optimizing light‐dependent, [FeFe]‐hydrogenase‐driven H2 production
Sign Up to like & getrecommendations! Published in 2017 at "Biotechnology and Bioengineering"
DOI: 10.1002/bit.26076
Abstract: The photosynthetic bacterium Rhodobacter capsulatus normally photoproduces H2 as a by‐product of its nitrogenase‐catalyzed nitrogen‐fixing activity. Such H2 production, however, is expensive from a metabolic perspective, requiring nearly four times as many photons as the… read more here.
Keywords: system; production; fefe hydrogenase; rhodobacter capsulatus ... See more keywords
A Heterogeneous Hydrogen‐Evolution Catalyst Based on a Mesoporous Organosilica with a Diiron Catalytic Center Modelling [FeFe]‐Hydrogenase
Sign Up to like & getrecommendations! Published in 2018 at "ChemCatChem"
DOI: 10.1002/cctc.201801257
Abstract: A diiron [FeFe]‐hydrogenase model complex tethered with a maleimide group, FeFe1, was covalently grafted on the pore surface of a periodic mesoporous organosilica with thiol groups (SH‐PMO) to form an efficient heterogeneous hydrogen (H2)‐evolution catalyst… read more here.
Keywords: evolution; fefe hydrogenase; fefe1 pmo; pmo ... See more keywords
Spectroscopic and biochemical insight into an electron-bifurcating [FeFe] hydrogenase
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Biological Inorganic Chemistry"
DOI: 10.1007/s00775-019-01747-1
Abstract: Abstract The heterotrimeric electron-bifurcating [FeFe] hydrogenase (HydABC) from Thermotoga maritima ( Tm ) couples the endergonic reduction of protons (H + ) by dihydronicotinamide adenine dinucleotide (NADH) (∆ G 0 ≈ 18 kJ mol −1 ) to the… read more here.
Keywords: fefe hydrogenase; insight electron; electron bifurcating; bifurcating fefe ... See more keywords
Reversible isomerization of a novel [FeFe]‑hydrogenase model complex and water-promoted electrocatalytic proton reduction
Sign Up to like & getrecommendations! Published in 2017 at "Electrochemistry Communications"
DOI: 10.1016/j.elecom.2017.07.025
Abstract: Abstract μ-(SCH(CH 2 CH 3 )CH 2 S)-Fe 2 (CO) 4 (κ 2 -DPPE) (complex 1, DPPE is 1,2-bis (diphenylphosphor) ethane), which can be regarded as a model of the [FeFe]‑hydrogenase active site, was synthesized… read more here.
Keywords: proton reduction; reversible isomerization; electrocatalytic proton; fefe hydrogenase ... See more keywords
Trapping an Oxidized and Protonated Intermediate of the [FeFe]-Hydrogenase Cofactor under Mildly Reducing Conditions.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c00954
Abstract: The H-cluster is the catalytic cofactor of [FeFe]-hydrogenase, a metalloenzyme that catalyzes the formation of dihydrogen (H2). The catalytic diiron site of the H-cluster carries two cyanide and three carbon monoxide ligands, making it an… read more here.
Keywords: hydrogenase; oxidized protonated; cofactor; cluster ... See more keywords
Toward a Tunable Synthetic [FeFe]-Hydrogenase H-Cluster Mimic Mediated by Perylene Monoimide Model Complexes: Insight into Molecular Structures and Electrochemical Characteristics
Sign Up to like & getrecommendations! Published in 2018 at "Organometallics"
DOI: 10.1021/acs.organomet.8b00450
Abstract: The nature of the bridging dithiolate has an important role on tuning the physical and electrochemical properties of the synthetic H-cluster mimics of [FeFe]-hydrogenase and still of significant concern to scientists. In this report we… read more here.
Keywords: toward tunable; perylene monoimide; fefe hydrogenase; hydrogenase ... See more keywords
Chemical Versatility of [FeFe]-Hydrogenase Models: Distinctive Activity of [μ-C6H4-1,2-(κ2-S)2][Fe2(CO)6] for Electrocatalytic CO2 Reduction
Sign Up to like & getrecommendations! Published in 2018 at "ACS Catalysis"
DOI: 10.1021/acscatal.8b03921
Abstract: The [FeFe]-hydrogenase model, [(μ-bdt)Fe2(CO)6] (1, bdt = benzene-1,2-dithiolato), displays distinctive activity from its analogous complex, [(μ-edt)Fe2(CO)6] (2, edt = ethane-1,2-dithiolato), for electrochemical CO2 reduction in acetonitrile with methanol or water as proton source. The maximum… read more here.
Keywords: fefe hydrogenase; co2 reduction; distinctive activity; fe2 ... See more keywords
The radical SAM enzyme HydE generates adenosylated Fe(I) intermediates en route to the [FeFe]-hydrogenase catalytic H-cluster.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.0c03802
Abstract: The H-cluster of [FeFe]-hydrogenase consists of a [4Fe-4S]H-subcluster linked by a cysteinyl bridge to a unique organometallic [2Fe]H-subcluster assigned as the site of interconversion between protons and molecular hydrogen. This [2Fe]H-subcluster is assembled by a… read more here.
Keywords: radical sam; fefe hydrogenase; sam enzyme; hyde ... See more keywords
Vibrational Perturbation of the [FeFe] Hydrogenase H-Cluster Revealed by 13C2H-ADT Labeling.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c02323
Abstract: [FeFe] hydrogenases are highly active catalysts for the interconversion of molecular hydrogen with protons and electrons. Here, we use a combination of isotopic labeling, 57Fe nuclear resonance vibrational spectroscopy (NRVS), and density functional theory (DFT)… read more here.
Keywords: adt labeling; vibrational perturbation; cluster; fefe hydrogenase ... See more keywords
A Bidirectional Bioinspired [FeFe]-Hydrogenase Model.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c12605
Abstract: With the price-competitiveness of solar and wind power, hydrogen technologies may be game changers for a cleaner, defossilized, and sustainable energy future. H2 can indeed be produced in electrolyzers from water, stored for long periods,… read more here.
Keywords: hydrogenase; fuel; bioinspired fefe; hydrogenase model ... See more keywords
Selenium makes the difference: protonation of [FeFe]-hydrogenase mimics with diselenolato ligands.
Sign Up to like & getrecommendations! Published in 2017 at "Dalton transactions"
DOI: 10.1039/c7dt00057j
Abstract: The synthetic models of the active site of an [FeFe]-hydrogenase containing a Sn atom in the bridgehead of the diselenato ligand, namely [Fe2(CO)6{μ-(SeCH2Se)SnMe2}], 3 and [Fe2(CO)6{μ-(SeCH2)2SnMe2}], 4 have been synthesized and characterized by different spectroscopic… read more here.
Keywords: makes difference; fefe hydrogenase; difference protonation; hydrogenase ... See more keywords