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Modelling the Electron‐Transfer Complex Between Aldehyde Oxidoreductase and Flavodoxin

European Journal of Inorganic Chemistry, 2006
AbstractThree‐dimensional protein structures of the xanthine oxidase family show different solutions for the problem of transferring electrons between the flavin adenine dinucleotide (FAD) group and the molybdenum cofactor. In xanthine oxidase all the cofactors lie within domains of the same protein chain, whereas in CO dehydrogenase the Fe–S centres ...
José J. G. Moura   +4 more
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[11] Aldehyde Oxidoreductases from Pyrococcus furiosus

2001
Publisher Summary An early study with Pyrococcus furiosus showed that growth of this hyperthermophilic archaeon is stimulated by the addition of tungsten to the medium. Subsequently, three distinct tungsten-containing enzymes were purified from this and related organisms.
Angeli Lal Menon   +2 more
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Aldehyde oxidoreductase activity in Desulfovibrio gigas: In vitro reconstitution of an electron-transfer chain from aldehydes to the production of molecular hydrogen

Biochemistry, 1993
The molybdenum [iron-sulfur] protein, first isolated from Desulfovibrio gigas by Moura et al. [Moura, J. J. G., Xavier, A. V., Bruschi, M., Le Gall, J., Hall, D. O., & Cammack, R. (1976) Biochem. Biophys. Res. Commun. 72, 782-789], was later shown to mediate the electronic flow from salicylaldehyde to a suitable electron acceptor, 2,6 ...
José J. G. Moura   +2 more
openaire   +3 more sources

The Tungsten-Containing Aldehyde Oxidoreductase fromClostridium thermoaceticumand its Complex with a Viologen-Accepting NADPH Oxidoreductase

Biological Chemistry Hoppe-Seyler, 1992
Purification of aldehyde oxidoreductase from C. thermoaceticum, the first detected enzyme able to reduce reversibly non-activated carboxylic acids to the corresponding aldehydes (White, H., Strobl, G., Feicht, R. & Simon, H. (1989) Eur. J. Biochem. 184, 89-96), results in the generation of multiple forms of the enzyme.
Gerhard Strobl   +4 more
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Comparative localization of aldehyde oxidase and xanthine oxidoreductase activity in rat tissues.

The Histochemical journal, 1998
The distribution of aldehyde oxidase activity was evaluated in unfixed cryostat sections from tissues of male Wistar rats using a tissue protectant, polyvinyl alcohol, with Tetranitro BT as a final electron acceptor. The distribution of aldehyde oxidase activity was compared with that of xanthine oxidoreductase.
Yuji Moriwaki   +4 more
openaire   +3 more sources

Potential applications of an alcohol-aldehyde/ketone oxidoreductase from thermophilic bacteria

Enzyme and Microbial Technology, 1981
Practical uses of a novel alcohol dehydrogenase from Thermoanaerobium brockii have been examined in crude and purified form. Stoichiometric reduction of NADP (50 mg) was demonstrated with agarose-immobilized enzyme and 0.3 (v/v) 2-propanol solution as reductant.
R.J. Lamed, Ehud Keinan, J.G. Zeikus
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Resonance Raman study on the iron-sulfur centers of Desulfovibrio gigas aldehyde oxidoreductase

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology, 1995
Resonance Raman spectra of the molybdenum containing aldehyde oxidoreductase from Desulfovibrio gigas were recorded at liquid nitrogen temperature with various excitation wavelengths. The spectra indicate that all the iron atoms are organised in [2Fe-2S] type centers consistent with cysteine ligations. No vibrational modes involving molybdenum could be
Belarmino A.S. Barata   +6 more
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Reductive Half-Reaction of Aldehyde Oxidoreductase toward Acetaldehyde: A Combined QM/MM Study

Journal of the American Chemical Society, 2009
We report a combined QM/MM study on the mechanism of the reductive half-reaction of aldehyde oxidoreductase. Five possible pathways are explored concerning the binding mode of acetaldehyde and the catalytic effect of the nearby glutamic acid (Glu869), taking both possible protonation states into account.
Sebastian Metz   +2 more
openaire   +3 more sources

Gene sequence and crystal structure of the aldehyde oxidoreductase from Desulfovibrio desulfuricans ATCC 27774

Journal of Molecular Biology, 2000
The aldehyde oxidoreductase (MOD) isolated from the sulfate reducer Desulfovibrio desulfuricans (ATCC 27774) is a member of the xanthine oxidase family of molybdenum-containing enzymes. It has substrate specificity similar to that of the homologous enzyme from Desulfovibrio gigas (MOP) and the primary sequences from both enzymes show 68 % identity. The
João M. Dias   +10 more
openaire   +3 more sources

Redox chemistry of biological tungsten: an EPR study of the aldehyde oxidoreductase from Pyrococcus furiosus

JBIC Journal of Biological Inorganic Chemistry, 1996
Aldehyde:ferredoxin oxidoreductase (AOR) from the hyperthermophilic archaeon Pyrococcus furiosus is a homodimeric protein. Each subunit carries one [4Fe-4S] cubane and a novel tungsten cofactor containing two pterins. A single iron atom bridges between the subunits.
Arendsen, A.F.   +3 more
openaire   +2 more sources

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