Challenge accepted: harnessing the power of light to drive photobiocatalytic reactions [PDF]
Light is considered an ideal energy source in the sustainable synthesis of organic compounds as it is non-toxic, generates no waste, and can be derived from renewable sources.
Özgen, Feyza
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Studying Electron Transfer Pathways in Oxidoreductases [PDF]
Oxidoreductases containing transition metal ions are widespread in nature and are essential for living organisms. The copper-containing nitrite reductase (NirK) and the molybdenum-containing aldehyde oxidoreductase (Aor) are typical examples of ...
Brondino, Carlos Dante+4 more
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20beta-Hydroxysteroid oxidoreductase. Kinetics and binding of corticosteroids and corticosteroid-21-aldehydes. [PDF]
Corticosteroid-21-aldehydes were reduced only at C-20 by 20 beta-hydroxysteroid dehydrogenase (EC 1.1.1.53) of Streptomyces hydrogenans, and the reduction occurred by transfer of hydrogen from the B-side of NADH. A kinetic investigation of cortisol, cortisone, cortexolone, and the 21-aldehydes of each indicated: (a) the magnitude of the Michaelis ...
C S Furfine, E S Szymanski
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Computational analysis of bacterial sulfatases and their modifying enzymes [PDF]
The sequence analysis of enzymes that might modify bacterial sulfatases should be useful in the task of identifying the human sulfatase-modifying homologs — enzymes that are defective in the rare inherited disease multi-sulfatase ...
Kolter, Roberto, Schirmer, Andreas
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Putting xanthine oxidoreductase and aldehyde oxidase on the NO metabolism map: Nitrite reduction by molybdoenzymes [PDF]
Nitric oxide radical (NO) is a signaling molecule involved in several physiological and pathological processes and a new nitrate-nitrite-NO pathway has emerged as a physiological alternative to the "classic" pathway of NO formation from L-arginine. Since the late 1990s, it has become clear that nitrite can be reduced back to NO under hypoxic/anoxic ...
Luisa B. Maia, José J. G. Moura
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Expansion of the catalytic repertoire of alcohol dehydrogenases in plant metabolism [PDF]
Medium-chain alcohol dehydrogenases (ADHs) comprise a highly conserved enzyme family that catalyse the reversible reduction of aldehydes. However, recent discoveries in plant natural product biosynthesis suggest that the catalytic repertoire of ADHs has ...
Basquin, J.+9 more
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The essential roles of metal ions in insect homeostasis and physiology [PDF]
Metal ions play distinct roles in living organisms, including insects. Some, like sodium and potassium, are central players in osmoregulation and ‘blood and guts’ transport physiology, and have been implicated in cold adaptation.
Dow, Julian A.T.
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Growth of Rhodococcus sp. strain BCP1 on gaseous n-alkanes: New metabolic insights and transcriptional analysis of two soluble di-iron monooxygenase genes [PDF]
Rhodococcus sp. strain BCP1 was initially isolated for its ability to grow on gaseous n-alkanes, which act as inducers for the co-metabolic degradation of low-chlorinated compounds.
Cappelletti M.+6 more
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Oxidoreductase enzymes are a group of enzymes that catalyzes the transfer of electrons from one molecule, the reductant, also called the electron donor, to another, the oxidant, also called the electron acceptor.
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Aldehyde oxidoreductase (AOR) activity has been found in a number of sulfate-reducing bacteria. The enzyme that is responsible for the conversion of aldehydes to carboxylic acids is a mononuclear molybdenum enzyme belonging to the xanthine oxidase family.
Isabel Moura+7 more
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