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  • Title: Subcellular distribution and some properties of N-ethylmaleimide-sensitive and-insensitive forms of glycerol phosphate acyltransferase in rat adipocytes.
    Author: Saggerson ED, Carpenter CA, Cheng CH, Sooranna SR.
    Journal: Biochem J; 1980 Jul 15; 190(1):183-9. PubMed ID: 6255941.
    Abstract:
    1. Glycerol phosphate acyltransferase (GPAT) activities were measured in subcellular fractions obtained from rat epididymal adipocytes. These contained both N-ethylmaleimide-sensitive and N-ethylmaleimide-insensitive forms of the enzyme. 2. As shown by parallel measurements of marker enzymes, N-ethylmaleimide-insensitive GPAT is most probably a mitochondrial activity, whereas N-ethylmaleimide-sensitive GPAT is the microsomal enzyme. 3. Subcellular distributions are also reported for dihydroxyacetone phosphate acyltransferase (DHAPAT) (assayed with and without N-ethylmaleimide), monoacylglycerol phosphate acyltransferase (MGPAT) and Mg2+-dependent and Mg2+-independent forms of phosphatidate phosphohydrolase (PPH).
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