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9885
Roscovitine
Activators & Inhibitors

Roscovitine #9885

Western Blotting

Western blot analysis of extracts from HeLa cells treated with Roscovitine (20 μM) for the indicated times using Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb #2325 (left) or Phospho-(Ser) CDKs Substrate Antibody #2324 (right).

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Western Blotting

Western blot analysis of extracts from HeLa cells treated with Roscovitine (20 μM) for the indicated times using an antibody to Rb.

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Structure

Structure of Roscovitine

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Roscovitine [(R) stereoisomer] is supplied as a 1 mg powder. Store at or below -20ºC. Before use, dissolve powder in 143 μl DMSO or MeOH to make a 20 mM stock solution. The suggested working concentration is 20 μM in tissue culture medium. Treat cells for 4-24 hours. Store solution at -20ºC.

Storage:

Store lyophilized or in solution at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Molecular Weight:

354.46 g/mol

Purity:

>99%

Molecular Formula:

C19H28N6O

Roscovitine is a cell permeable reversible selective inhibitor of cyclin-dependent kinases CDK1 (cdc2), CDK2 and CDK5 (1). A purine analog, this drug competes for the binding site of ATP in the catalytic cleft. Treatment of cultured cells with roscovitine can cause cell cycle arrest or apoptosis (1-4). The IC50 for cdc2 activity is 0.65 μM in vitro (1).

  1. Meijer, L. et al. (1997) Eur J Biochem 243, 527-36.
  2. Whittaker, S.R. et al. (2007) Cell Cycle 6, 3114-31.
  3. Dey, A. et al. (2008) Cell Death Differ 15, 263-73.
  4. Wojciechowski, J. et al. (2003) Int J Cancer 106, 486-95.
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

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Product # Size Price
9885S
1 mg $ 51.0