Revision 1

#73901Store at -20C

PP2

5 mg

Cell Signaling Technology

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For Research Use Only. Not for Use in Diagnostic Procedures.

Background

PP2 is a potent and selective inhibitor of Src-family kinases. This small molecule inhibits Lck (IC50 = 4 nM), Fyn (IC50 = 5 nM), and Hck (IC50 = 5 nM) with little to no effect on ZAP-70 (IC50 > 100 µM) and JAK2 (IC50 > 50 µM) (1). Members of the Src family are involved in the regulation of cellular excitability and synaptic plasticity. Inhibition of Src family nonreceptor protein tyrosine kinases (PTKs) can decrease epileptiform activity, making PP2 an important compound when studying epilepsy and antiepileptic therapies (2).

  1. Hanke, J.H. et al. (1996) J Biol Chem 271, 695-701.
  2. Sanna, P.P. et al. (2000) Proc Natl Acad Sci U S A 97, 8653-7.

Molecular Formula

C15H16CIN5

Molecular Weight

301.8 g/mol

Purity

>98%

CAS

172889-27-9

Solubility

Soluble in DMSO at 25 mg/ml or ethanol at 3 mg/ml with slight warming.

Storage

Store lyophilized at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Directions for Use

PP2 is supplied as a lyophilized powder. For a 15 mM stock, reconstitute 5 mg of powder in 1.1 ml of DMSO. Working concentrations and length of treatment can vary depending on the desired effect.

Background References

    Cross-Reactivity Key

    H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

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    Revision 1
    #73901

    PP2

    PP2: Image 1 Expand Image
    使用 Phospho-Stat3 (Tyr705) (D3A7) XP® Rabbit mAb #9145(上图)、Stat3 (D1B2J) Rabbit mAb #30835(中间)和 β-Actin (D6A8) Rabbit mAb #8457(下图)对未经 (-) 或已经 Human Platelet-Derived Growth Factor BB (hPDGF-BB) #8912(100 ng/ml,15 分钟;+)处理且细胞用或不用 PP2(10 μM,1 小时;+)预处理的 NIH/3T3 细胞的提取物进行蛋白印迹分析。
    PP2: Image 2 Expand Image
    PP2 的化学结构。