Reference: Havriluk T, et al. (2008) Colorimetric determination of pure Mg(2+)-dependent phosphatidate phosphatase activity. Anal Biochem 373(2):392-4

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Abstract


The malachite green-molybdate reagent was used for a colorimetric assay of pure Mg2(+)-dependent phosphatidate phosphatase activity. This enzyme plays a major role in fat metabolism. Enzyme activity was linear with time and protein concentration, and with the concentration of water-soluble dioctanoyl phosphatidate. The colorimetric assay was used to examine enzyme inhibition by phenylglyoxal, propranolol, and dimethyl sulfoxide. Pure enzyme and a water-soluble phosphatidate substrate were required for the assay, which should be applicable to a well-defined large-scale screen of Mg2(+)-dependent phosphatidate phosphatise inhibitors (or activators).

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Journal Article | Research Support, N.I.H., Extramural | Research Support, Non-U.S. Gov't
Authors
Havriluk T, Lozy F, Siniossoglou S, Carman GM
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