نتایج جستجو برای: alkyl hydroperoxide reductase
تعداد نتایج: 60341 فیلتر نتایج به سال:
The zwitterionic detergent 3-(3-cholamidopropyl)dimethylammonio1-propanesulfonate (CHAPS) supports reconstituted cyclohexane hydroxylase activity of cytochrome P-450LM, and NADPH-cytochrome reductase purified from phenobarbital-induced rabbit liver. Maximum activity (-50% of that with phospholipid) was observed at 2 mM CHAPS. Inhibition took place at higher CHAPS, until at 20 mM CHAPS, no cyclo...
The metabolism in vitro of [1-(14)C]linoleate, [1-(14)C]linolenate and their 9(S)-hydroperoxides in tulip (Tulipa gesneriana) was found to be under the control of 9-lipoxygenase and allene oxide synthase, and directed towards alpha-ketol, gamma-ketol and the novel compound (12Z)-10-oxo-11-hydroxy-12-octadecadienoic acid (10,11-ketol). Potent activity of allene oxide cyclase (in bulbs) and a new...
The in vitro metabolism of [1-(14)C]linoleate, [1-(14)C]linolenate and their 9(S)-hydroperoxides was studied in cell-free preparations from tulip (Tulipa gesneriana) bulbs, leaves and flowers. Linoleate and its 9-hydroperoxide were converted by bulb and leaf preparations into three ketols: (12Z)-9-hydroxy-10-oxo-12-octadecadienoic acid (alpha-ketol), (11E)-10-oxo-13-hydroxy-11-octadecadienoic a...
Prxs (peroxiredoxins) are a ubiquitous family of cysteine-dependent peroxidases that react rapidly with H2O2 and alkyl hydroperoxides and provide defence against these reactive oxidants. Hydroperoxides are also formed on amino acids and proteins during oxidative stress, and they too are a potential cause of biological damage. We have investigated whether Prxs react with amino acid, peptide and ...
Poplar peroxiredoxin Q. A thioredoxin-linked chloroplast antioxidant functional in pathogen defense.
Peroxiredoxins are ubiquitous thioredoxin- or glutaredoxin-dependent peroxidases, the function of which is to destroy peroxides. Peroxiredoxin Q, one of the four plant subtypes, is a homolog of the bacterial bacterioferritin comigratory proteins. We show here that the poplar (Populus tremula x Populus tremuloides) protein acts as a monomer with an intramolecular disulfide bridge between two con...
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