Direct assay for phosphotransacetylase and acetyl-coenzyme A carboxylase by high-performance liquid chromatography. 1986

B De Spiegeleer, and G Mannens, and G Slegers, and W Van den Bossche, and A Claeys

A simple and specific assay to measure the activity of two coenzyme A derivative-processing enzymes, i.e., phosphotransacetylase (EC 2.3.1.8) and acetyl-coenzyme A carboxylase (EC 6.4.1.2), is described. The assay is based on the HPLC analysis of the short-chain coenzyme A derivatives formed by the enzymatic reaction, viz., acetyl-CoA and malonyl-CoA. For this purpose, ion-pair reversed-phase HPLC conditions are optimized. Furthermore, the influence of several variables on the enzyme reaction is studied in order to get maximum activity. Due to its short analysis time, good selectivity, and chromatogram information, HPLC proves to be an excellent method for the assay of these enzymes.

UI MeSH Term Description Entries
D008025 Ligases A class of enzymes that catalyze the formation of a bond between two substrate molecules, coupled with the hydrolysis of a pyrophosphate bond in ATP or a similar energy donor. (Dorland, 28th ed) EC 6. Ligase,Synthetases,Synthetase
D008316 Malonyl Coenzyme A A coenzyme A derivative which plays a key role in the fatty acid synthesis in the cytoplasmic and microsomal systems. Malonyl CoA,CoA, Malonyl,Coenzyme A, Malonyl
D010709 Phosphate Acetyltransferase An enzyme that catalyzes the synthesis of acetylphosphate from acetyl-CoA and inorganic phosphate. Acetylphosphate serves as a high-energy phosphate compound. EC 2.3.1.8. Phosphoacylase,Phosphotransacetylase,Phosphotransacylase,Phosphotransbutyrylase,Acetyltransferase, Phosphate
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D000103 Acetyl-CoA Carboxylase A carboxylating enzyme that catalyzes the conversion of ATP, acetyl-CoA, and HCO3- to ADP, orthophosphate, and malonyl-CoA. It is a biotinyl-protein that also catalyzes transcarboxylation. The plant enzyme also carboxylates propanoyl-CoA and butanoyl-CoA (From Enzyme Nomenclature, 1992) EC 6.4.1.2. Acetyl Coenzyme A Carboxylase,Acetyl CoA Carboxylase,Carboxylase, Acetyl-CoA
D000105 Acetyl Coenzyme A Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. Acetyl CoA,Acetyl-CoA,CoA, Acetyl,Coenzyme A, Acetyl
D000123 Acetyltransferases Enzymes catalyzing the transfer of an acetyl group, usually from acetyl coenzyme A, to another compound. EC 2.3.1. Acetyltransferase
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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