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QuantiChrom™ G6PDH Inhibitor Screening Kit


  • For evaluation and high-throughput screen (HTS) of glucose-6-phosphate dehydrogenase modulators.

Key Features

  • Safe. Non-radioactive assay.
  • High-throughput. Homogenous “mix-incubate-measure” type assay. Can be readily automated on HTS liquid handling system.
  • Rapid and reliable. Can be completed in 30 minutes and no 37°C heater is needed.


  • OD565nm


  • Glucose-6-phosphate dehydrogenase


  • All


  • 30 min


  • 100 tests

Shelf Life

  • 6 months

More Details

  • GLUCOSE-6-PHOSPHATE DEHYDROGENASE (G6PDH) is a cytosolic enzyme in the pentose phosphate pathway which supplies reducing energy to cells by maintaining the level of the co-enzyme nicotinamide adenine dinucleotide phosphate (NADPH). G6PDH reduces nicotinamide adenine dinucleotide phosphate (NADP) to NADPH while oxidizing glucose-6-phosphate (G6P). Humans with a genetic deficiency of G6PDH are predisposed to non-immune hemolytic anemia. Recently, studies have found G6PDH plays a critical role in survival, proliferation, and metastasis of cancer cells. Therefore, inhibitors of the enzyme are attractive candidates for new cancer therapeutics. BioAssay Systems non-radioactive, colorimetric G6PDH assay is based on the reduction of the tetrazolium salt MTT in a NADPH-coupled enzymatic reaction to a reduced form of MTT which exhibits an absorption maximum at 565 nm. The increase in absorbance at 565 nm is proportional to the enzyme activity. The percent inhibition of a test compound can be determined by comparing the activity of G6PDH treated with a test compound to the activity of untreated G6PDH.

Does the kit come with the G6PDH enzymes or control inhibitors?

No, these are not included.

How do I store the kit?

Store all components at -20°C for long term storage.

What species of G6PDH was the kit optimized for?

The kit was optimized for L. Mesenteroides G6PDH.

What if I am interested in testing inhibition of a species besides L. Mesenteroides?

We recommend that you experimentally determine the Km and then adjust the volume of substrate so that the final concentration of the substrate in the 100 µL Reaction Volume is near the Km.

What G6PDH inhibitor was tested using this kit?

Zn(NO3)2 in dH20.

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If you or your labs do not have the equipment or scientists necessary to run this assay, BioAssay Systems can perform the service for you.

– Fast turnaround
– Quality data
– Low cost

Please email or call 1-510-782-9988 x 2 to request assay service.


For orders of 10 or more kits, please call +1-510-782-9988×1 or email us for best pricing and/or bulk order.

Orders are shipped the same day if placed by 2pm PST
Shipping: RT
Carrier: Fedex
Delivery: 1-2 days (US), 3-6 days (Intl)
Storage: -20°C upon receipt

Why BioAssay Systems?

Technical support provided by the very scientists that develop the assays.

Products are extensively tested and validated prior to release so researchers need little-to-no time for assay optimization.

Because we develop and manufacture the products, our prices are lower than competitors on the market

With over 200 different products, acquire all your assay kit needs in one order.

Products used by clients worldwide with distributors in over 60 countries.