Phosphoric acid triester–glutathione alkyltransferase. A mechanism for the detoxification of dimethyl phosphate triesters
نویسندگان
چکیده
منابع مشابه
A MECHANISM FOR THE DETOXIFICATION OF DIMETHYL PHOSPHATE TRIESTERS By D. H. HUTSON, B. A. PICKERING and C. DONNINGER
1. 2-Chloro-1-(2,4,5-trichlorophenyl)vinyl dimethyl phosphate (tetrachlorvinphos) is demethylated by mammalian liver supernatant (100000g) protein in the presence of GSH. 2. GSH acts as an acceptor of the transferred methyl group to form S-methyl glutathione. 3. The enzyme that catalyses this reaction is present in the soluble fraction of liver from mouse, rat, rabbit and pig at similar activit...
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1. The dealkylation of the insecticidal phosphoric acid triester, 2-chloro-1-(2,4-dichlorophenyl)vinyl diethyl phosphate, proceeds in mammalian liver slices via an oxidative mechanism and not by hydrolysis. 2. The enzyme that catalyses the reaction is located in the microsomal fraction of liver homogenate and is dependent for activity on molecular oxygen and NADPH. 3. There are large species di...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1972
ISSN: 0306-3283
DOI: 10.1042/bj1270285