APS-2-79 is a KSR-dependent MAPK modulator. APS-2-79 modulates KSR-dependent MAPK signalling by antagonizing RAF heterodimerization as well as the conformational changes required for phosphorylation and activation of KSR-bound MEK (mitogen-activated protein kinase kinase). APS-2-79 increased 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. Co-targeting of enzymatic and scaffolding activities within Ras-MAPK signalling complexes is a therapeutic strategy for overcoming Ras-driven cancers.
MedKoo Cat#: 406958
Name: APS-2-79
CAS#: 2002381-25-9 (free base)
Chemical Formula: C23H21N3O3
Exact Mass: 387.1583
Molecular Weight: 387.44
Elemental Analysis: C, 71.30; H, 5.46; N, 10.85; O, 12.39
The following data is based on the product molecular weight 387.44 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 1.15 mL | 5.76 mL | 11.51 mL |
| 5 mM | 0.23 mL | 1.15 mL | 2.3 mL |
| 10 mM | 0.12 mL | 0.58 mL | 1.15 mL |
| 50 mM | 0.02 mL | 0.12 mL | 0.23 mL |
