A microtiter plate-based assay for phosphoenolpyruvate carboxylase

A sensitive, quantitative assay for phosphenolpyruvate carboxylase which utilizes microtiter plates is described. The assay depends upon the production of a colored compound in the reaction between oxaloacetate, the product of the phosphoenolpyruvate reaction, and the dye Fast Violet B. The method i...

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Veröffentlicht in:Analytical biochemistry 1990-08, Vol.189 (1), p.95-98
Hauptverfasser: COCKBURN, W, WHITELAM, G. C, SLOCOMBE, S. P, MCKEE, R. A
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container_title Analytical biochemistry
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creator COCKBURN, W
WHITELAM, G. C
SLOCOMBE, S. P
MCKEE, R. A
description A sensitive, quantitative assay for phosphenolpyruvate carboxylase which utilizes microtiter plates is described. The assay depends upon the production of a colored compound in the reaction between oxaloacetate, the product of the phosphoenolpyruvate reaction, and the dye Fast Violet B. The method is particularly appropriate for monitoring chromatographic eluates and its utility for this purpose is demonstrated by the detection of phosphoenolpyruvate carboxylase in fractions of crude maize extract separated by size-exclusion chromatography.
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subjects Analytical, structural and metabolic biochemistry
Biological and medical sciences
Diazonium Compounds - chemistry
Enzymes and enzyme inhibitors
Fundamental and applied biological sciences. Psychology
Hydrogen-Ion Concentration
Lyases
Microchemistry - methods
Phosphoenolpyruvate Carboxylase - analysis
Regression Analysis
Reproducibility of Results
Spectrophotometry - methods
Staining and Labeling
title A microtiter plate-based assay for phosphoenolpyruvate carboxylase
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