Product Pathways - Tyrosine Kinase / Adaptors
GRB2 Antibody #3972
|3972S||100 µl (10 western blots)||---||In Stock||---|
|3972||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat, Hamster, Monkey, Bovine||Endogenous||25||Rabbit|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting
Specificity / Sensitivity
GRB2 Antibody detects endogenous levels of total GRB2 protein.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to carboxy-terminal residues of human GRB2. Antibodies are purified by protein A and peptide affinity chromatography.
Growth factor receptor-binding protein 2 (GRB2) is a adaptor protein that is involved in RTK signal transduction. The SH2 domain of GRB2 binds to tyrosine phosphorylated proteins such as EGFR, IRS-1, Shc and Gab1 (1). The SH3 domain of GRB2 associates with Sos, which stimulates the GTP binding activity of Ras, leading to the activation of the MAP kinase and other signaling pathways. Phosphorylation of Tyr209 of GRB2 by Bcr-Abl and EGFR abolishes its association with Sos and negatively regulates downstream signaling (2).
- Benitez, A.C. et al. (2011) Proc Natl Acad Sci U S A 108, 4081-6. Applications: Western Blotting.
- Chaudhuri, A. et al. (2011) J Biol Chem 286, 32762-74. Applications: Western Blotting.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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