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Hydrogenase

Index Hydrogenase

A hydrogenase is an enzyme that catalyses the reversible oxidation of molecular hydrogen (H2), as shown below: Hydrogen uptake is coupled to the reduction of electron acceptors such as oxygen, nitrate, sulfate, carbon dioxide, and fumarate. [1]

50 relations: Amino acid, Anion-exchange chromatography, Archaea, Azadithiolate cofactor, Biofuel, Bioremediation, Carbon dioxide, Carbon monoxide, Catalysis, Coenzyme F420 hydrogenase, Cupriavidus necator, Cyanide, Cytochrome, Cytochrome-c3 hydrogenase, Diffusion, Electrocatalyst, Electron acceptor, Electron donor, Enzymatic biofuel cell, Enzyme, Enzyme Commission number, Ferredoxin, Ferredoxin hydrogenase, Fumaric acid, Glycolysis, Heterotroph, Hydrogen, Hydrogen dehydrogenase, Hydrogen:quinone oxidoreductase, Hydrogenase mimic, Hydrothermal circulation, Inorganic chemistry, Iron–sulfur cluster, Ligand, Metalloprotein, Methanogen, Nitrate, Overpotential, Oxygen, Photosynthesis, Platinum, Protein Data Bank, Pyruvic acid, Redox, Renewable resource, Reversible reaction, Selenocysteine, Size-exclusion chromatography, Sulfate, 5,10-Methenyltetrahydromethanopterin hydrogenase.

Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

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Anion-exchange chromatography

Anion-exchange chromatography is a process that separates substances based on their charges using an ion-exchange resin containing positively charged groups, such as diethyl-aminoethyl groups (DEAE).

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Archaea

Archaea (or or) constitute a domain of single-celled microorganisms.

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Azadithiolate cofactor

An azadithiolate cofactor is an anion with the formula NH(CH2S)22−.

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Biofuel

A biofuel is a fuel that is produced through contemporary biological processes, such as agriculture and anaerobic digestion, rather than a fuel produced by geological processes such as those involved in the formation of fossil fuels, such as coal and petroleum, from prehistoric biological matter.

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Bioremediation

Bioremediation is a process used to treat contaminated media, including water, soil and subsurface material, by altering environmental conditions to stimulate growth of microorganisms and degrade the target pollutants.

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Carbon dioxide

Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.

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Carbon monoxide

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.

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Catalysis

Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Coenzyme F420 hydrogenase

In enzymology, a coenzyme F420 hydrogenase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are H2 and coenzyme F420, whereas its product is reduced coenzyme F420.

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Cupriavidus necator

Cupriavidus necator is a Gram-negative soil bacterium of the class Betaproteobacteria.

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Cyanide

A cyanide is a chemical compound that contains the group C≡N.

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Cytochrome

Cytochromes are heme-containing proteins.

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Cytochrome-c3 hydrogenase

In enzymology, a cytochrome-c3 hydrogenase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are H2 and ferricytochrome c3, whereas its two products are H+ and ferrocytochrome c3.

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Diffusion

Diffusion is the net movement of molecules or atoms from a region of high concentration (or high chemical potential) to a region of low concentration (or low chemical potential) as a result of random motion of the molecules or atoms.

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Electrocatalyst

An electrocatalyst is a catalyst that participates in electrochemical reactions.

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Electron acceptor

An electron acceptor is a chemical entity that accepts electrons transferred to it from another compound.

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Electron donor

An electron donor is a chemical entity that donates electrons to another compound.

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Enzymatic biofuel cell

An enzymatic biofuel cell is a specific type of fuel cell that uses enzymes as a catalyst to oxidize its fuel, rather than precious metals.

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Enzyme

Enzymes are macromolecular biological catalysts.

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Enzyme Commission number

The Enzyme Commission number (EC number) is a numerical classification scheme for enzymes, based on the chemical reactions they catalyze.

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Ferredoxin

Ferredoxins (from Latin ferrum: iron + redox, often abbreviated "fd") are iron-sulfur proteins that mediate electron transfer in a range of metabolic reactions.

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Ferredoxin hydrogenase

In enzymology, a ferredoxin hydrogenase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are H2 and oxidized ferredoxin, whereas its two products are reduced ferredoxin and H+.

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Fumaric acid

Fumaric acid or trans-butenedioic acid is the chemical compound with the formula HO2CCH.

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Glycolysis

Glycolysis (from glycose, an older term for glucose + -lysis degradation) is the metabolic pathway that converts glucose C6H12O6, into pyruvate, CH3COCOO− + H+.

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Heterotroph

A heterotroph (Ancient Greek ἕτερος héteros.

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Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

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Hydrogen dehydrogenase

In enzymology, a hydrogen dehydrogenase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are H2 and NAD+, whereas its two products are H+ and NADH.

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Hydrogen:quinone oxidoreductase

In enzymology, a hydrogen:quinone oxidoreductase is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are H2 and quinone, whereas its product is quinol.

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Hydrogenase mimic

A hydrogenase mimic is an enzyme mimic of hydrogenase.

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Hydrothermal circulation

Hydrothermal circulation in its most general sense is the circulation of hot water (Ancient Greek ὕδωρ, water,Liddell, H.G. & Scott, R. (1940). A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with the assistance of. Roderick McKenzie. Oxford: Clarendon Press. and θέρμη, heat). Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth's crust.

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Inorganic chemistry

Inorganic chemistry deals with the synthesis and behavior of inorganic and organometallic compounds.

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Iron–sulfur cluster

Iron–sulfur clusters are molecular ensembles of iron and sulfide.

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Ligand

In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex.

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Metalloprotein

Metalloprotein is a generic term for a protein that contains a metal ion cofactor.

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Methanogen

Methanogens are microorganisms that produce methane as a metabolic byproduct in anoxic conditions.

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Nitrate

Nitrate is a polyatomic ion with the molecular formula and a molecular mass of 62.0049 u.

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Overpotential

In electrochemistry, overpotential is the potential difference (voltage) between a half-reaction's thermodynamically determined reduction potential and the potential at which the redox event is experimentally observed.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Photosynthesis

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities (energy transformation).

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Platinum

Platinum is a chemical element with symbol Pt and atomic number 78.

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Protein Data Bank

The Protein Data Bank (PDB) is a crystallographic database for the three-dimensional structural data of large biological molecules, such as proteins and nucleic acids.

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Pyruvic acid

Pyruvic acid (CH3COCOOH) is the simplest of the alpha-keto acids, with a carboxylic acid and a ketone functional group.

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Redox

Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

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Renewable resource

A renewable resource is a natural resource which replenishes to overcome resource depletion caused by usage and consumption, either through biological reproduction or other naturally recurring processes in a finite amount of time in a human time scale.

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Reversible reaction

A reversible reaction is a reaction where the reactants form products, which react together to give the reactants back.

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Selenocysteine

Selenocysteine (symbol Sec or U, in older publications also as Se-Cys) is the 21st proteinogenic amino acid.

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Size-exclusion chromatography

Size-exclusion chromatography (SEC), also known as molecular sieve chromatography, is a chromatographic method in which molecules in solution are separated by their size, and in some cases molecular weight.

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Sulfate

The sulfate or sulphate (see spelling differences) ion is a polyatomic anion with the empirical formula.

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5,10-Methenyltetrahydromethanopterin hydrogenase

The 5,10-methenyltetrahydromethanopterin hydrogenase (or Hmd), the so-called iron-sulfur cluster-free hydrogenase, is an enzyme found in methanogenic archea such as Methanothermobacter marburgensis.

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References

[1] https://en.wikipedia.org/wiki/Hydrogenase

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