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APS-2-79

Catalog No.: 6111501
Cas No.: 2002381-25-9
Purity : 98% 
6111501 - APS-2-79 | CAS 2002381-25-9

Catalog number : 6111501

CAS number : 2002381-25-9

Molecular Formula : C23H21N3O3 

Molecular Weight : 387.43 

Iupac Chemical Name : APS-2-79 

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SynonymsAPS 2-79 
Molecular FormulaC23H21N3O3 
Molecular Weight387.43 
Appearancecrystalline solid 
Purity98% 
SolubilitySoluble in DMSO 
Storage3 years -20ºCpowder 
Shipping ConditionShipped under ambient temperature as non-hazardous chemical. 
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APS-2-79 is an antagonist of MEK phosphorylation by RAF through direct binding of the KSR active site.


APS-2-79 inhibits BRAF and CRAF phosphorylation of MEK in a KSR-dependent manner. APS-2-79 does not affect BRAF(V600E)-induced MAPK activation in cells. APS-2-79 impedes KSR-stimulated MAPK signalling within cells through wild-type and MEK(AAAA) equally. APS-2-79 synergizes with trametinib specifically in Ras-mutant cells compared to the HER-family and SRC-family inhibitors lapatinib and sarcatinib. APS-2-79 increases the potency of several MEK inhibitors specifically within Ras-mutant cell lines by antagonizing release of negative feedback signalling, demonstrating the potential of targeting KSR to improve the efficacy of current MAPK inhibitors. The IC50 value of APS-2-79 against ATPbiotin probe-labelling of KSR2 is 120 nM.


 

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