Product Pathways - Tyrosine Kinase / Adaptors
Phospho-Shc (Tyr317) Antibody #2431
|W||H M||Endogenous||50, 55, 70||Rabbit|
Reactivity Key: H=Human M=Mouse
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
Specificity / Sensitivity
Phospho-Shc (Tyr317) Antibody detects Shc only when phosphorylated at Tyr317.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr317 of human Shc. Antibodies are purified by protein A and peptide affinity chromatography.
Shc possesses SH2 and PTB domains and serves as a scaffold protein in signaling for a variety of receptor tyrosine kinases. Shc exists in p46, p52 and p66 isoforms, which are produced by using alternative translation initiation sites or a differentially spliced message (1-3). In response to extracellular signals, the SH2 and PTB domains of Shc interact with the activated receptors, leading to phosphorylation of Shc on three different tyrosine residues: Tyr239, Tyr240 and Tyr317 (4-6). GRB2/Sos binds to Shc phosphorylated at these sites, activating the Ras/Raf/MAPK pathway (4). Both Shc expression and its tyrosine phosphorylation play an essential and nonredundant role in thymic T cell development (7).
- Pelicci, G. et al. (1992) Cell 70, 93-104.
- Migliaccio, E. et al. (1997) EMBO J. 16, 706-716.
- Okada, S. et al. (1997) J. Biol. Chem. 272, 28042-28049.
- Salcini, A. E. et al. (1994) Oncogene 9, 2827-2836.
- Gotoh, N. et al. (1996) EMBO J. 15, 6197-6204.
- Van der Geer, P. et al. (1996) Curr. Biol. 6, 1435-1444.
- Zhang, L. et al. (2002) Nat. Immunol. 3, 749-755.
- Lin, S. et al. (2011) J Biol Chem 286, 44023-34. Applications: Western Blotting
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For Research Use Only. Not For Use In Diagnostic Procedures.