Enzymatic mechanism of Fe-only hydrogenase: density functional study on H− H Making/breaking at the diiron cluster with concerted proton and electron transfers

T Zhou, Y Mo, A Liu, Z Zhou, KR Tsai - Inorganic chemistry, 2004 - ACS Publications
The mechanism of the enzymatic hydrogen bond forming/breaking (2H++ 2e⇆ H2) and the
plausible charge and spin states of the catalytic diiron subcluster [FeFe] H of the H cluster in …

A density functional theory study on the active center of Fe-only hydrogenase: characterization and electronic structure of the redox states

ZP Liu, P Hu - Journal of the American Chemical Society, 2002 - ACS Publications
We have carried out extensive density functional theory (DFT) calculations for possible
redox states of the active center in Fe-only hydrogenases. The active center is modeled by …

Hydrogen: an overview

W Lubitz, W Tumas - Chemical reviews, 2007 - ACS Publications
Providing an abundant, clean, and secure renewable energy source is one of the key
technological challenges facing mankind. Resurgence in the chemistry and biochemistry of …

Mechanism of hydrogen activation by [NiFe] hydrogenases

RM Evans, EJ Brooke, SAM Wehlin… - Nature chemical …, 2016 - nature.com
The active site of [NiFe] hydrogenases contains a strictly conserved arginine that suspends a
guanidine nitrogen atom< 4.5 Å above the nickel and iron atoms. The guanidine headgroup …

Studies on hydrogenase

T Yagi, Y Higuchi - Proceedings of the Japan Academy, Series B, 2013 - jstage.jst.go.jp
Hydrogenases are microbial enzymes which catalyze uptake and production of H2.
Hydrogenases are classified into 10 classes based on the electron carrier specificity, or into …

Mechanism of H2 Production by Models for the [NiFe]-Hydrogenases: Role of Reduced Hydrides

OA Ulloa, MT Huynh, CP Richers… - Journal of the …, 2016 - ACS Publications
The intermediacy of a reduced nickel–iron hydride in hydrogen evolution catalyzed by Ni–Fe
complexes was verified experimentally and computationally. In addition to catalyzing …

Structural differences between the ready and unready oxidized states of [NiFe] hydrogenases

A Volbeda, L Martin, C Cavazza, M Matho… - JBIC Journal of …, 2005 - Springer
Abstract [NiFe] hydrogenases catalyze the reversible heterolytic cleavage of molecular
hydrogen. Several oxidized, inactive states of these enzymes are known that are …

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 …

[HTML][HTML] [NiFe] hydrogenases: a common active site for hydrogen metabolism under diverse conditions

HS Shafaat, O Rüdiger, H Ogata, W Lubitz - Biochimica et Biophysica Acta …, 2013 - Elsevier
Hydrogenase proteins catalyze the reversible conversion of molecular hydrogen to protons
and electrons. The most abundant hydrogenases contain a [NiFe] active site; these proteins …

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 …