559286

RSK Inhibitor II

The RSK Inhibitor II, also referenced under CAS 501437-28-1, controls the biological activity of RSK. This small molecule/inhibitor is primarily used for Cell Signaling applications.

• Synonym(s): RSK Inhibitor II, 2-(3,5-Difluoro-4-hydroxy-anilino)-8-isopentyl-5,7-dimethyl-7H-pteridin-6-one, racemic, p90 Ribosomal S6 Kinase Inhibitor II, BI-D1870, BID-1870, BID1870
• Empirical Formula (Hill Notation): C₁₉H₂₃F₂N₅O₂
• CAS Number: 501437-28-1
• Molecular Weight: 391.42

Properties

• Quality Level: 100
• Assay: ≥95% (HPLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; protect from light
• color: off-white
• solubility: DMSO: 50 mg/mL
• shipped in: ambient
• storage temp.: 2-8°C
• InChI: 1S/C19H23F2N5O2/c1-10(2)5-6-26-11(3)18(28)25(4)15-9-22-19(24-17(15)26)23-12-7-13(20)16(27)14(21)8-12/h7-11,27H,5-6H2,1-4H3,(H,22,23,24)
• InChI key: DTEKTGDVSARYDS-UHFFFAOYSA-N

Description

General description

The racemic mixture of a cell-permeable dihydropteridinone that acts as a potent and selective RSK inhibitor (IC₅₀ ≤31 nM against RSK1, 2, 3, and 4; [ATP] = 100 µM) by targeting RSK N-terminal kinase domain in an ATP-competitive manner, while inhibiting 11 other kinases only at higher concentrations (IC₅₀ ≥100 nM) and displaying little activity against 39 others. Shown to selectively inhibit RSK-dependent, but not RSK-independent, cellular protein phosphorylations in PMA-stimulated HEK-293 cells and EGF-stimulated Rat-2 cells (IC₅₀ ~1 µM).

The racemic mixture of a cell-permeable dihydropteridinone that acts as a potent and selective RSK inhibitor (IC₅₀ = 31, 24, 18, and 15 nM against RSK1, 2, 3, and 4, respectively; [ATP] = 100 µM) by targeting RSK N-terminal kinase domain in an ATP-competitive manner, while inhibiting 11 other kinases only at higher concentrations (IC₅₀ ≥100 nM) and displaying little activity against 39 others. Shown to selectively inhibit RSK-dependent, but not RSK-independent, cellular protein phosphorylations in PMA-stimulated human HEK-293 cells and EGF-stimulated rat Rat-2 cells (IC₅₀ ~1 µM). A useful pharmacological reagent for studying RSK-mediated cellular signaling events.

Packaging

Packaged under inert gas

Warning

Toxicity: Standard Handling (A)

Other Notes

Carriere, A., et al. 2008. Curr. Biol.18, 1269
Sapkota, G.P., et al. 2007. Biochem. J.401, 29.
Zaru, R., et al. 2007. Nat. Immunol.8, 1227.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable