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Catalog No. T6791   CAS 314045-39-1

BPTES(IC50 of 0.16 μM) is an effective and specific GlutamiN/Ase GLS1 (KGA) inhibitor.

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BPTES, CAS 314045-39-1
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Biological Description
Chemical Properties
Storage & Solubility Information
Description BPTES(IC50 of 0.16 μM) is an effective and specific GlutamiN/Ase GLS1 (KGA) inhibitor.
Targets&IC50 Glutaminase GLS1 (KGA):0.16 μM
In vitro BI-9564 with EC50 of 800 nM.BRD7 implied as a tumor suppressor and is down-regulated in cancer cells, BI-9564 shows Kd of 73 nM for it, and is >10-fold more selective for BRD9 over the high homologues bromodomain. BI-9564 (<5 μM) shows no activity against 324 kinases, when BI-9564 at 10 μM, an inhibition >40% is observed for only 2 out of 55 GPCRs.
In vivo In LAP/MYC mice, BPTES (12.5 mg/kg, i.p.) prolongs survival with no significant effects on MYC, GLS, or GLS2 levels. BPTES (200 μg/mouse, i.p.) also inhibits tumor cell growth in mice harboring P493 tumor xenografts. [3]
Kinase Assay Glutaminase Inhibition: Cell Free Assay: Assay plates are prepared containing 2 μL test compound in DMSO/well. The enzyme is diluted to 1 unit (liver) or 0.8 unit (kidney)/100 μL in glutaminase assay buffer, and 100 μL diluted enzyme is added to each well of the assay plate by Multidrop. The contents are mixed by shaking at full speed for 1 min on TiterMix 100. The plates are preincubated at room temperature (RT) for 20 min to allow binding of test compounds to glutaminase, and 50 μL glutamine solution (7 mM in assay buffer) is added to each well by Multidrop. The contents are shaken at full speed for 30 sec on TiterMix 100, and the plates are then incubated at RT for 60 min (liver) or 90 min (kidney). To stop the reactions, 20 μL HCl (0.3 N) is added to each well by Multidrop and mixed immediately by shaking for 30 sec on TiterMix 100. For quantification, glutamate (formed by glutaminase-catalyzed hydrolysis of glutamine) is oxidized to 2-oxoglutarate by a second enzyme, glutamate dehydrogenase (GDH), with the concomitant production of the reduced form of nicotinamide adenine dinucleotide (NADH). Reduction of nitro blue tetrazolium (NBT) in the assay solution by NADH, catalyzed by phenazine methosulphate (PMS), results in the formation of a blue-purple formazan. The absorption of formazan at 540 nm is linearly proportional to the concentration of glutamate up to 200 μM. NBT/GDH reagent (50 μL) is added to each well by Multidrop and mixed by shaking for 30 sec on TiterMix 100, and the plates are incubated at RT for 20 min to allow color formation by the GDH reaction. Glutamate concentration is determined from formazan concentration as determined by reading OD540 nm on a SpectraMax 340.
Cell Research BPTES is dissolved in DMSO. Cells are plated at a density of 500 cells/well in a 96-well black clear bottom plate. At 24 hrs, media is changed to the appropriate media (DMEM with 4.5 g/L, 1.5 g/L or 0.1 g/L glucose, 10% FBS, pencillin/streptomycin, and 4 mM glutamine with or without doxycyline). 48 hours after plating, compounds or DMSO are added. Media and alamarBlue is added to a volume of 200 μL in each well. Fluorescence is measured at 48 hrs or 72 hrs (EGCG) using a Victor3 plate-reader.
Molecular Weight 524.68
Formula C24H24N6O2S3
CAS No. 314045-39-1


Powder: -20°C for 3 years

In solvent: -80°C for 2 years

Solubility Information

DMSO: 10.5 mg/mL (20 mM)

( < 1 mg/ml refers to the product slightly soluble or insoluble )

References and Literature

1. Newcomb R. 2002. U.S. Pat. 6,451,828 B1. 2. Seltzer MJ, et al. Cancer Res. 2010, 70(22), 8981-81987. 3. Xiang Y, et al. J Clin Invest. 2015, 125(6), 2293-2306. 6. Lee JS, et al. Dual targeting of glutaminase 1 and thymidylate synthase elicits death synergistically in NSCLC. Cell Death Dis. 2016 Dec 8;7(12):e2511.


1. Qi J, Gao X, Zhong X, et al. Selective inhibition of Aurora A and B kinases effectively induces cell cycle arrest in t(8;21) acute myeloid leukemia. Biomedicine & Pharmacotherapy. 2019, 117: 109113.

Related compound libraries

This product is contained In the following compound libraries:
Anti-Cancer Compound Library Anti-Cancer Metabolism Compound Library Anti-Obesity Compound Library Glutamine Metabolism Compound Library Inhibitor Library Anti-Metabolism Disease Compound Library Protease Inhibitor Library Anti-Aging Compound Library Bioactive Compound Library

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6-Diazo-5-oxo-L-nor-Leucine Telaglenastat BPTES GK921 Glutaminase C-IN-1 L-Albizziin UPGL00004

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BPTES 314045-39-1 代谢 蛋白酶体 Glutaminase transporter inhibit Inhibitor inhibitor