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CPI-637 is a potent and selective CBP/EP300 bromodomains inhibitor with IC50 of 0.03±0.01μM and 11.0±0.6 μM for CBP/EP300 and BRD4, respectively. CPI-637 was also highly selective against other bromodomains (detailed list in the Supporting Information), displaying substantial biochemical activity only against BRD9, which is acceptable, since inhibition of the BRD9 bromodomain has not been shown to produce a pronounced cellular phenotype . In a cellular assay, CPI-637 inhibits the expression of MYC, a transcription factor widely expressed in human cancer,with an EC50 of 0.60 μM, providing an orthogonal measure of the target engagement of the compound.
| Molecular Weight | 386.45 |
| Formula | C22H22N6O |
| CAS Number | 1884712-47-3 |
| Solubility (25°C) | DMSO: ≥ 15 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related Epigenetic Reader Domain Products |
|---|
| RVX-208
Apabetalone (RVX-208) is a first-in-class, small molecule inhibitor of BET bromodomain with IC50 of 0.51 μM for BD2. |
| I-BET151
I-BET151 (GSK1210151A) is an inhibitor of the BET family with IC50 of 0.5 μM, 0.25 μM and 0.79 μM for BRD2, BRD3 and BRD4, respectively. |
| (+)-JQ1
(+)-JQ1 is a BET bromodomain inhibitor that acts on BRD4(2) with an IC50 of 33 nM and binds to all bromodomain domains in the BET family, but not to bromodomain domains outside the BET family. JQ1 down-regulates CD47 expression through a C-MYC-mediated pathway, and JQ1 down-regulates CD47 expression through a C-MYC-mediated pathway. |
| I-BET-762
I-BET-762 (GSK525762) is a selective small molecule BET inhibitor. |
| CPI-0610
CPI-0610 is a novel BET protein bromodomain inhibitor. |
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