产品
编 号:F226328
分子式:C19H19N3O2
分子量:321.37
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10mM*1mL in DMSO
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1mg
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5mg
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10mg
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25mg
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50mg
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100mg
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生物活性:
PFI-3 is a selective, potent and cell-permeable SMARCA2/4 bromodomain inhibitor with a Kd of 89 nM.

体外研究:
PFI-3 is a potent, cell-permeable probe capable of displacing ectopically expressed, GFP-tagged SMARCA2-bromodomain from chromatin. PFI-3 binds avidly to both SMARCA2 and SMARCA4 bromodomains (BROMOScan Kd's between 55 and 110 nM) consistent with the binding constant (Kd=89 nM) measured by isothermal titration calorimetry. PFI-3 does not phenocopy the growth inhibitory effects of SMARCA2 knockdown in lung cancer. Exposure of embryonic stem cells to PFI-3 leads to deprivation of stemness and deregulates lineage specification. Furthermore, differentiation of trophoblast stem cells in the presence of PFI-3 is markedly enhanced. PFI-3 binds to certain family VIII bromodomains while displaying significant, broader bromodomain family selectivity. The high specificity of PFI-3 for family VIII is achieved through a novel bromodomain binding mode of a phenolic headgroup that leads to the unusual displacement of water molecules that are generally retained by most other bromodomain inhibitors reported to date.
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