559285

RSK Inhibitor, SL0101

The RSK Inhibitor, SL0101 controls the biological activity of RSK. This small molecule/inhibitor is primarily used for Phosphorylation & Dephosphorylation applications.

• Synonym(s): RSK Inhibitor, SL0101, Kaempferol-3-O-(3ʹʹ,4ʹʹ-di-O-acetyl-α-L-rhamnopyranoside), p90 Ribosomal S6 Kinase Inhibitor, SL0101
• Empirical Formula (Hill Notation): C₂₅H₂₄O₁₂
• CAS Number: 77307-50-7
• Molecular Weight: 516.45
• MDL number: MFCD09842349
• UNSPSC Code: 12352200
• NACRES: NA.77
• Assay: ≥95% (HPLC)
• Form: solid
• Storage condition: OK to freeze, protect from light

Properties

• Quality Segment: 100
• assay: ≥95% (HPLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze, protect from light
• color: yellow
• solubility: DMSO: 10 mg/mL
• shipped in: ambient
• storage temp.: 2-8°C
• SMILES string: O1[C@H]([C@@H]([C@@H]([C@H]([C@@H]1C)OC(=O)C)OC(=O)C)O)Oc2[c](c3c([o]c2c4ccc(cc4)O)cc(cc3O)O)=O
• InChI: 1S/C25H24O12/c1-10-21(34-11(2)26)24(35-12(3)27)20(32)25(33-10)37-23-19(31)18-16(30)8-15(29)9-17(18)36-22(23)13-4-6-14(28)7-5-13/h4-10,20-21,24-25,28-30,32H,1-3H3/t10-,20+,21-,24-,25-/m0/s1
• InChI key: SXOZSDJHGMAEGZ-IGKKHSBFSA-N

Description

General description

A cell-permeable Kaempferol glycoside that targets the the N-terminal kinase domain of p90 ribosomal S6 kinase and inhibits RSK kinase activity (IC₅₀ = 89 nM with 10 µM ATP) in a selective, reversible, and ATP-competitive (K_i = 1 µM) manner. Shown to inhibit the proliferation of MCF-7, but not the normal breast cell line MCF-10A, and specifically block PDB-induced cellular phosphorylation of RSK substrate p140, but not that of RSK or RSK upstream kinases even at concentrations as high as 100 µM. Also available as a 10 mM solution in DMSO (Cat. No. 559292).

Packaging

Packaged under inert gas

Preparation Note

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Other Notes

Smith, J.A., et al. 2007. Bioorg. Med. Chem.15, 5018.
Smith, J.A., et al. 2006. Bioorg. Med. Chem.14, 6043.
Xu, Y.M., et al. 2006. Bioorg. Med. Chem.14, 3974.
Maloney, D.J. and Hecht, S.M., 2005. Org. Lett.7, 1097.
Smith, J.A., et al. 2005. Cancer Res.65, 1027.

Legal Information

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

Disclaimer

Toxicity: Regulatory Review (Z)

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable