Structure of the [NiFe] hydrogenase active site: evidence for biologically uncommon Fe ligands

A Volbeda, E Garcin, C Piras, AL de Lacey… - Journal of the …, 1996 - ACS Publications
Crystallographic data on the [NiFe] hydrogenase from Desulfovibrio gigas are presented that
provide new information on the structure and mode of action of its dihydrogen activating …

Carbon monoxide and cyanide as intrinsic ligands to iron in the active site of [NiFe]-Hydrogenases: NiFe (CN) 2CO, biology's way to activate H2

AJ Pierik, W Roseboom, RP Happe, KA Bagley… - Journal of Biological …, 1999 - ASBMB
Infrared-spectroscopic studies on the [NiFe]-hydrogenase of Chromatium vinosum-enriched
in 15 N or 13 C, as well as chemical analyses, show that this enzyme contains three non …

The crystal structure of a reduced [NiFeSe] hydrogenase provides an image of the activated catalytic center

E Garcin, X Vernede, EC Hatchikian, A Volbeda… - Structure, 1999 - cell.com
Background:[NiFeSe] hydrogenases are metalloenzymes that catalyze the reaction H 2↔
2H++ 2e-. They are generally heterodimeric, contain three iron–sulfur clusters in their small …

Infrared-Spectroelectrochemical Characterization of the [NiFe] Hydrogenase of Desulfovibrio gigas

AL de Lacey, EC Hatchikian, A Volbeda… - Journal of the …, 1997 - ACS Publications
Electrochemically controlled titrations of the different redox states detected by IR
spectroscopy of Desulfovibrio gigas hydrogenase are reported. This enzyme has in common …

Crystallographic and FTIR spectroscopic evidence of changes in Fe coordination upon reduction of the active site of the Fe-only hydrogenase from desulfovibrio d …

Y Nicolet, AL de Lacey, X Vernède… - Journal of the …, 2001 - ACS Publications
Fe-only hydrogenases, as well as their NiFe counterparts, display unusual intrinsic high-
frequency IR bands that have been assigned to CO and CN-ligation to iron in their active …

Nature and Electronic Structure of the Ni-X Dinuclear Center of Desulfovibrio gigas Hydrogenase. Implications for the Enzymatic Mechanism

F Dole, A Fournel, V Magro, EC Hatchikian… - Biochemistry, 1997 - ACS Publications
The recent determination of the X-ray crystal structure of Desulfovibrio gigas hydrogenase
has revealed that the active site is a Ni-X dinuclear center [Volbeda, A., Charon, MH, Piras …

Evidence for selenocysteine coordination to the active site nickel in the [NiFeSe] hydrogenases from Desulfovibrio baculatus.

MK Eidsness, RA Scott, BC Prickril… - Proceedings of the …, 1989 - National Acad Sciences
Ni and Se x-ray absorption spectroscopic studies of the [NiFeSe] hydrogenases from
Desulfovibrio baculatus are described. The Ni site geometry is pseudo-octahedral with a …

Fe-only hydrogenases: structure, function and evolution

Y Nicolet, C Cavazza, JC Fontecilla-Camps - Journal of inorganic …, 2002 - Elsevier
Hydrogenases are enzymes capable of catalyzing the oxidation of molecular hydrogen or its
production from protons and electrons according to the reversible reaction: H2⇌ 2H++ 2e …

17O ENDOR Detection of a Solvent-Derived Ni−(OHx)−Fe Bridge That Is Lost upon Activation of the Hydrogenase from Desulfovibrio gigas

M Carepo, DL Tierney, CD Brondino… - Journal of the …, 2002 - ACS Publications
Crystallographic studies of the hydrogenases (Hases) from Desulfovibrio gigas (Dg) and
Desulfovibrio vulgaris Miyazaki (Dv M) have revealed heterodinuclear nickel− iron active …

Modulation of the electronic structure and the Ni–Fe distance in heterobimetallic models for the active site in [NiFe] hydrogenase

W Zhu, AC Marr, Q Wang, F Neese… - Proceedings of the …, 2005 - National Acad Sciences
Reaction of the mononuclear Ni (II) thiolate complexes [Ni (L)][L, L1, H2L1, bis (2-
mercaptoethyl)-1, 2-dimercaptoethane; L2, H2L2, N, N′-dimethyl-N, N′-bis (2 …