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Product Includes Quantity Applications Reactivity MW(kDa) Isotype
Phospho-Jak2 (Tyr1007/1008) (C80C3) Rabbit mAb 3776 1 x 100 µl
H M R 125 Rabbit IgG
Jak2 (D2E12) XP® Rabbit mAb 3230 1 x 100 µl
H M R 125 Rabbit IgG

Product Description

PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.


Members of the Janus family of tyrosine kinases (Jak1, Jak2, Jak3, and Tyk2) are activated by ligands binding to a number of associated cytokine receptors (1). Upon cytokine receptor activation, Jak proteins become autophosphorylated and phosphorylate their associated receptors to provide multiple binding sites for signaling proteins. These associated signaling proteins, such as Stats (2), Shc (3), insulin receptor substrates (4), and focal adhesion kinase (FAK) (5), typically contain SH2 or other phospho-tyrosine-binding domains.


1.  Leonard, W.J. and O'Shea, J.J. (1998) Annu. Rev. Immunol. 16, 293-322.

2.  Darnell, J.E. (1997) Science 277, 1630-5.

3.  VanderKuur, J. et al. (1995) J Biol Chem 270, 7587-93.

4.  Argetsinger, L.S. et al. (1995) J Biol Chem 270, 14685-92.

5.  Zhu, T. et al. (1998) J Biol Chem 273, 10682-9.


Entrez-Gene Id 3717
Swiss-Prot Acc. O60674


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.
PhosphoPlus® is a trademark of Cell Signaling Technology, Inc.
Select antibodies in this kit are sold under a license from Chemicon International, Inc. relating to U.S. Patent No. 5,658,791.
U.S. Patent No. 5,675,063.