Nickel hydrogenases: in search of the active site

SPJ Albracht - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 1994 - Elsevier
Since nickel was first discovered in hydrogenase in 1981 [83] many reviews on various
aspects of nickel hydrogenases have appeared [34, 64, 78, 94,125,150,154 …

Bond valence sum analysis of metal-ligand bond lengths in metalloenzymes and model complexes. 2. Refined distances and other enzymes

W Liu, HH Thorp - Inorganic Chemistry, 1993 - ACS Publications
The bond valence sum (BVS) method is further appliedto metalloenzyme active sites. When
a particular coordination model is assumed, the BVS method allows for oxidation states of …

Biomimetic chemistry of nickel

MA Halcrow, G Christou - Chemical Reviews, 1994 - ACS Publications
Nickel is now recognized as an essential trace element for bacteria, plants, animals and
humans. 1-6 While the role of this metal in animal biochemistry is still not well defined, to …

Infrared-detectable group senses changes in charge density on the nickel center in hydrogenase from Chromatium vinosum

KA Bagley, EC Duin, W Roseboom, SPJ Albracht… - Biochemistry, 1995 - ACS Publications
Revised Manuscript Received January 23, 1995® abstract: Fourier transform infrared
studies of nickel hydrogenase from Chromatium vinosum reveal the presence of a set of …

A metal–metal bond in the light-induced state of [NiFe] hydrogenases with relevance to hydrogen evolution

M Kampa, ME Pandelia, W Lubitz… - Journal of the …, 2013 - ACS Publications
The light-induced Ni–L state of [NiFe] hydrogenases is well suited to investigate the identity
of the amino acid base that functions as a proton acceptor in the hydrogen turnover cycle in …

The hydrogen binding site in hydrogenase: 35-GHz ENDOR and XAS studies of the nickel-C (reduced and active form) and the Ni-L photoproduct

JP Whitehead, RJ Gurbiel, C Bagyinka… - Journal of the …, 1993 - ACS Publications
EPR, 35-GHz ENDOR, and X-ray absorption (XAS) spectroscopic studies of H2 binding in
hydrogenase from Thiocapsa roseopersicina are reported. These studies involve spectra …

Amorphous features of working catalysts: XAFS and XPS characterization of Mn/Na2WO4/SiO2as used for the oxidative coupling of methane

Y Kou, B Zhang, J Niu, S Li, H Wang, T Tanaka… - Journal of …, 1998 - Elsevier
Mn/Na2WO4/SiO2catalyst for the oxidative coupling of methane has been investigated by
using theL-edge and theK-edge XAFS and XPS. The surface of the fresh catalyst is found to …

Structure of the Ni sites in hydrogenases by X-ray absorption spectroscopy. Species variation and the effects of redox poise

Z Gu, J Dong, CB Allan, SB Choudhury… - Journal of the …, 1996 - ACS Publications
Structural information obtained from the analysis of nickel K-edge X-ray absorption
spectroscopic data of [NiFe] hydrogenases from Desulfovibrio gigas, Thiocapsa …

An X-ray absorption spectroscopic study of nickel redox chemistry in hydrogenase

C Bagyinka, JP Whitehead… - Journal of the American …, 1993 - ACS Publications
The results of X-ray absorption spectroscopic studies of Thiocapsa roseopersicina
hydrogenase poised in three forms exhibiting EPR signals due to the Ni center (A, B, and C) …

The structure and function of nickel sites in metalloproteins

MJ Maroney, G Davidson, CB Allan, J Figlar - Less Common Metals in …, 1998 - Springer
The known Ni enzymes now include ureases, hydrogenases, carbon monoxide
dehydrogenases, acetyl coenzyme A synthases, methyl coenzyme M reductases and …