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Ferredoxin-NADP Reductase definition: An enzyme that catalyzes the oxidation and reduction of FERREDOXIN or ADRENODOXIN in the presence of NADP. EC 1.18.1.2 was formerly listed as EC 1.6.7.1 and EC 1.6.99.4.
Ferredoxins definition: Iron-containing proteins that transfer electrons, usually at a low potential, to flavoproteins; the iron is not present as in heme. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed)
ferredoxin definition: iron containing proteins that transfer electrons, usually at a low potential, to flavoproteins.
Hydrogenase definition: An enzyme found in bacteria. It catalyzes the reduction of FERREDOXIN and other substances in the presence of molecular hydrogen and is involved in the electron transport of bacterial photosynthesis.
hydrogenase definition: specific enzyme (EC 1.18.99.1) that catalyzes the conversion of H+ to hydrogen gas via oxidation of ferredoxin; do not use for general term to cover other hydrogenating enzymes.
Ferredoxin-Nitrite Reductase definition: An IRON-containing protein that uses siroheme and 4Fe-4S iron-sulfur centers as prosthetic groups. It catalyzes the six-electron oxidation of AMMONIA to nitrite.
Pyruvate Synthase definition: A ferredoxin-containing enzyme that catalyzes the COENZYME A-dependent oxidative decarboxylation of PYRUVATE to acetyl-COENZYME A and CARBON DIOXIDE.
Sulfite Reductase (Ferredoxin) definition: A FERREDOXIN-dependent oxidoreductase that is primarily found in PLANTS where it plays an important role in the assimilation of SULFUR atoms for the production of CYSTEINE and METHIONINE.
adrenal ferredoxin definition: iron-sulfur protein which serves as an electron carrier in enzymatic steroid hydroxylation reactions in adrenal cortex mitochondria.
ferredoxin:thioredoxin reductase activity definition: Catalysis of the two-electron reduction of the disulfide of thioredoxins with electrons from ferredoxin involving a 4Fe-4S cluster and an adjacent active-site disulfide. [PMID:14769790]
ferredoxin reductase activity definition: Catalysis of the reactions: reduced ferredoxin + NAD(P)+ = oxidized ferredoxin + NAD(P)H + H+. [EC:1.18.1.-]
ferredoxin-NAD+ reductase activity definition: Catalysis of the reaction: reduced ferredoxin + NAD+ = oxidized ferredoxin + NADH + H+. [EC:1.18.1.3]
ferredoxin-NADP+ reductase activity definition: Catalysis of the reaction: reduced ferredoxin + NADP+ = oxidized ferredoxin + NADPH + H+. [EC:1.18.1.2, GOC:kd]
glutamate synthase (ferredoxin) activity definition: Catalysis of the reaction: 2 L-glutamate + 2 oxidized ferredoxin = L-glutamine + 2-oxoglutarate + 2 reduced ferredoxin. [EC:1.4.7.1]
ferredoxin metabolic process definition: The chemical reactions and pathways involving ferredoxin, any simple, nonenzymatic iron-sulfur protein that is characterized by having equal numbers of atoms of iron and labile sulfur. Iron and sulfur atoms are present in one or two clusters of two or four atoms of each. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
ferredoxin:thioredoxin reductase complex definition: A protein complex that possesses ferredoxin:thioredoxin reductase activity. [GOC:mah]
ferredoxin-nitrate reductase activity definition: Catalysis of the reaction: NO2- (nitrite) + H2O + 2 oxidized ferredoxin = NO3- (nitrate) + 2 reduced ferredoxin. [EC:1.7.7.2, MetaCyc:FERREDOXIN--NITRATE-REDUCTASE-RXN]
sulfite reductase (ferredoxin) activity definition: Catalysis of the reaction: hydrogen sulfide + 3 oxidized ferredoxin + 3 H2O = SO3(2-) (sulfite) + 3 reduced ferredoxin. [EC:1.8.7.1, MetaCyc:SULFITE-REDUCTASE-(FERREDOXIN)-RXN]
15,16-dihydrobiliverdin:ferredoxin oxidoreductase activity definition: Catalysis of the reaction: 15,16-dihydrobiliverdin + oxidized ferredoxin = biliverdin IXa + reduced ferredoxin. [EC:1.3.7.2, MetaCyc:1.3.7.2-RXN]
adrenodoxin-type ferredoxin definition: OBSOLETE (was not defined before being made obsolete). [GOC:ai]
bacterial-type ferredoxin definition: OBSOLETE (was not defined before being made obsolete). [GOC:ai]
chloroplast-type ferredoxin definition: OBSOLETE (was not defined before being made obsolete). [GOC:ai]
dicluster bacterial-type ferredoxin definition: OBSOLETE (was not defined before being made obsolete). [GOC:ai]
ferredoxin-nitrite reductase activity definition: Catalysis of the reaction: NH3 + 2 H2O + 6 oxidized ferredoxin = NO2(-) (nitrite) + 6 reduced ferredoxin + 7 H+. [EC:1.7.7.1, GOC:jic]
ferredoxin biosynthetic process definition: The chemical reactions and pathways resulting in the formation of ferredoxin, any simple, nonenzymatic iron-sulfur protein that is characterized by having equal numbers of atoms of iron and labile sulfur. Iron and sulfur atoms are present in one or two clusters of two or four atoms of each. [GOC:jl, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
ferredoxin hydrogenase activity definition: Catalysis of the reaction: 2 reduced ferredoxin + 2 H+ = 2 oxidized ferredoxin + H2. [EC:1.12.7.2]
ferredoxin hydrogenase complex definition: An enzyme complex that catalyzes the oxidation of reduced ferredoxin. Hydrogenase contains iron-sulfur clusters, and some contain nickel; it can use molecular hydrogen for the reduction of a variety of substances. [EC:1.12.7.2]
ferredoxin definition: OBSOLETE. An iron-sulfur protein that serves as an electron acceptor and electron donor in an electron transport system. [GOC:kd]
carbon-monoxide dehydrogenase (ferredoxin) activity definition: Catalysis of the reaction: CO + H2O + oxidized ferredoxin = CO2 + reduced ferredoxin. [EC:1.2.7.4]
aldehyde ferredoxin oxidoreductase activity definition: Catalysis of the reaction: an aldehyde + H2O + 2 oxidized ferredoxin = an acid + 2 H+ + 2 reduced ferredoxin. [EC:1.2.7.5]
methylenetetrahydrofolate reductase (ferredoxin) activity definition: Catalysis of the reaction: 5-methyltetrahydrofolate + oxidized ferredoxin = 5,10-methylenetetrahydrofolate + reduced ferredoxin. [EC:1.5.7.1]
glyceraldehyde-3-phosphate dehydrogenase (ferredoxin) activity definition: Catalysis of the reaction: D-glyceraldehyde-3-phosphate + H2O + 2 oxidized ferredoxin = 3-phospho-D-glycerate + 2 H+ + 2 reduced ferredoxin. [EC:1.2.7.6]
3-methyl-2-oxobutanoate dehydrogenase (ferredoxin) activity definition: Catalysis of the reaction: 3-methyl-2-oxobutanoate + CoA + oxidized ferredoxin = S-(2-methylpropanoyl)-CoA + CO2 + reduced ferredoxin. [EC:1.2.7.7]