Computational studies of [NiFe] and [FeFe] hydrogenases
Dihydrogen has the potential to act as a “clean''alternative to fossil fuels. 1 The oxidation of
dihydrogen, either electrochemically or via combustion, leads only to the production of …
dihydrogen, either electrochemically or via combustion, leads only to the production of …
Structural and functional analogues of the active sites of the [Fe]-,[NiFe]-, and [FeFe]-hydrogenases
C Tard, CJ Pickett - Chemical reviews, 2009 - ACS Publications
This article sets out to review the chemistry relating to the synthesis of structural and
functional analogues of the three classes of hydrogenases. This chemistry has grown …
functional analogues of the three classes of hydrogenases. This chemistry has grown …
Hydrogenase enzymes and their synthetic models: the role of metal hydrides
Hydrogenase enzymes efficiently process H2 and protons at organometallic FeFe, NiFe, or
Fe active sites. Synthetic modeling of the many H2ase states has provided insight into …
Fe active sites. Synthetic modeling of the many H2ase states has provided insight into …
DFT investigations of models related to the active site of [NiFe] and [Fe] hydrogenases
M Bruschi, G Zampella, P Fantucci… - Coordination chemistry …, 2005 - Elsevier
Density functional theory (DFT) has been recently used to explore the chemistry of models of
the active site of [NiFe] and [Fe] hydrogenases, which are enzymes that catalyse the …
the active site of [NiFe] and [Fe] hydrogenases, which are enzymes that catalyse the …
Hydrogenases
The reaction takes place at a specialized metal center that dramatically increases the acidity
of H2 and leads to a heterolytic splitting of the molecule which is strongly accelerated by the …
of H2 and leads to a heterolytic splitting of the molecule which is strongly accelerated by the …
Synthetic models for the active site of the [FeFe]-hydrogenase: catalytic proton reduction and the structure of the doubly protonated intermediate
ME Carroll, BE Barton, TB Rauchfuss… - Journal of the American …, 2012 - ACS Publications
This report compares biomimetic hydrogen evolution reaction catalysts with and without the
amine cofactor (adtNH): Fe2 (adtNH)(CO) 2 (dppv) 2 (1 NH) and Fe2 (pdt)(CO) 2 (dppv) 2 …
amine cofactor (adtNH): Fe2 (adtNH)(CO) 2 (dppv) 2 (1 NH) and Fe2 (pdt)(CO) 2 (dppv) 2 …
A capable bridging ligand for Fe-only hydrogenase: density functional calculations of a low-energy route for heterolytic cleavage and formation of dihydrogen
When di (thiomethyl) amine (DTMA) is used as the bridging ligand in a diiron model for the
active site of the Fe-only hydrogenase, density functional calculations show that the …
active site of the Fe-only hydrogenase, density functional calculations show that the …
A hybrid density functional theory/molecular mechanics study of nickel− iron hydrogenase: Investigation of the active site redox states
P Amara, A Volbeda… - Journal of the …, 1999 - ACS Publications
We have investigated using theoretical methods some of the redox states of the active site of
Desulfovibrio gigas NiFe hydrogenase, which is a metalloprotein that catalyzes the …
Desulfovibrio gigas NiFe hydrogenase, which is a metalloprotein that catalyzes the …
Modeling the active sites in metalloenzymes. 3. Density functional calculations on models for [Fe]-hydrogenase: Structures and vibrational frequencies of the observed …
Z Cao, MB Hall - Journal of the American Chemical Society, 2001 - ACS Publications
Optimized structures for the redox species of the diiron active site in [Fe]-hydrogenase as
observed by FTIR and for species in the catalytic cycle for the reversible H2 oxidation have …
observed by FTIR and for species in the catalytic cycle for the reversible H2 oxidation have …
Reaction Coordinate Leading to H2 Production in [FeFe]-Hydrogenase Identified by Nuclear Resonance Vibrational Spectroscopy and Density Functional Theory
[FeFe]-hydrogenases are metalloenzymes that reversibly reduce protons to molecular
hydrogen at exceptionally high rates. We have characterized the catalytically competent …
hydrogen at exceptionally high rates. We have characterized the catalytically competent …