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Phosphoenolpyruvate Carboxykinase Activity Assay Kit (Colorimetric)

Convenient & sensitive assay to measure PEPCK activity
Catalog #: K359

Product Details

Cat # +Size K359-100
Size 100 assays
Kit Summary • Detection method- Absorbance (570 nm)
• Application- Measurement of PEPCK in biological samples from different mammalian species
Detection Method Absorbance (570 nm)
Species Reactivity Eukaryotes
Applications Measurement of PEPCK in biological samples from different mammalian species
Features & Benefits • Convenient & sensitive
• The assay can detect as low as 10 µU of PEPCK activity in a variety of samples
Kit Components • PEPCK Assay Buffer
• PEPCK Probe (in DMSO)
• PEPCK Substrate Mix
• PEPCK Converter
• PEPCK Developer
• PEPCK Positive Control
• Pyruvate Standard (100 nmol/µl)
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Phosphoenolpyruvate Carboxykinase (PEPCK EC is an enzyme which belongs to the lyase family. In the presence of GTP, it catalyzes the reversible conversion of oxaloacetate (OAA) into phosphoenolpyruvate (PEP), GDP and CO2. In humans, two isoforms of PEPCK are found: cytosolic form (PEPCK-C, also called PCK1) and mitochondrial form (PEPCK-M). PEPCK-C is a rate-controlling step in gluconeogenesis. Recent studies found abnormal concentrations of PEPCK in diabetic mice. Therefore, accurate measurement of Phosphoenolpyruvate Carboxykinase activity is valuable for both, mechanistic and therapeutic studies. BioVision’s Phosphoenolpyruvate Carboxykinase (PEPCK) Activity Assay kit provides a quick and easy way for measuring PEPCK activity in various samples. In this assay, Phosphoenolpyruvate Carboxylase is coupled with a set of enzymes that convert PEP and carbonate into a series of intermediates and hydrogen peroxide, which in turn, reacts with a probe and converted generating a colorimetric signal (OD: 570 nm). The color intensity is directly proportional to the amount of active Phosphoenolpyruvate Carboxylase present in samples. The assay is simple, sensitive, high-throughput adaptable and can detect less than 10 µU of Phosphoenolpyruvate Carboxykinase activity per sample.

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Saet-Byeol Kim, Alleviation of catabolite repression in Kluyveromyces marxianus: the thermotolerant SBK1 mutant simultaneously coferments glucose and xylose. Biotechnol Biofuels, Apr 19; 31044003.
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