Computational studies of [NiFe] and [FeFe] hydrogenases

PEM Siegbahn, JW Tye, MB Hall - Chemical reviews, 2007 - ACS Publications
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 …

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 …

Hydrogenase enzymes and their synthetic models: the role of metal hydrides

D Schilter, JM Camara, MT Huynh… - Chemical …, 2016 - ACS Publications
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 …

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 …

Hydrogenases

W Lubitz, H Ogata, O Rudiger, E Reijerse - Chemical reviews, 2014 - ACS Publications
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 …

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 …

A capable bridging ligand for Fe-only hydrogenase: density functional calculations of a low-energy route for heterolytic cleavage and formation of dihydrogen

HJ Fan, MB Hall - Journal of the American Chemical Society, 2001 - ACS Publications
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 …

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 …

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 …

Reaction Coordinate Leading to H2 Production in [FeFe]-Hydrogenase Identified by Nuclear Resonance Vibrational Spectroscopy and Density Functional Theory

V Pelmenschikov, JA Birrell, CC Pham… - Journal of the …, 2017 - ACS Publications
[FeFe]-hydrogenases are metalloenzymes that reversibly reduce protons to molecular
hydrogen at exceptionally high rates. We have characterized the catalytically competent …