|Reactivity||Human, Mouse, Rat|
|Calculated MW||62822 Da|
|Other Names||SHC-transforming protein 1, SHC-transforming protein 3, SHC-transforming protein A, Src homology 2 domain-containing-transforming protein C1, SH2 domain protein C1, SHC1, SHC, SHCA|
|Target/Specificity||A synthetic peptide corresponding to residues in the SH2 domain of human SHC1 was used as immunogen. The antibody detects p46, p52 and p56|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||SHC1 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Signaling adapter that couples activated growth factor receptors to signaling pathways. Participates in a signaling cascade initiated by activated KIT and KITLG/SCF. Isoform p46Shc and isoform p52Shc, once phosphorylated, couple activated receptor tyrosine kinases to Ras via the recruitment of the GRB2/SOS complex and are implicated in the cytoplasmic propagation of mitogenic signals. Isoform p46Shc and isoform p52Shc may thus function as initiators of the Ras signaling cascade in various non-neuronal systems. Isoform p66Shc does not mediate Ras activation, but is involved in signal transduction pathways that regulate the cellular response to oxidative stress and life span. Isoform p66Shc acts as a downstream target of the tumor suppressor p53 and is indispensable for the ability of stress-activated p53 to induce elevation of intracellular oxidants, cytochrome c release and apoptosis. The expression of isoform p66Shc has been correlated with life span (By similarity). Participates in signaling downstream of the angiopoietin receptor TEK/TIE2, and plays a role in the regulation of endothelial cell migration and sprouting angiogenesis.|
|Cellular Location||Cytoplasm. Isoform p66Shc: Mitochondrion. Note=In case of oxidative conditions, phosphorylation at 'Ser-36' of isoform p66Shc, leads to mitochondrial accumulation|
|Tissue Location||Widely expressed. Expressed in neural stem cells but absent in mature neurons|
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Provided below are standard protocols that you may find useful for product applications.
The human Src homology and collagen (SHC) gene encodes for three proteins (p46, p52, p66). All three SHCs are known to be signaling adaptors that couple activated growth factor receptors to their signaling pathways. p52 and p46 are translated from the same mRNA using two different initiation codons while p66 is generated form a distinct mRNA. p52 and p46 are expressed in every cell type while p66 expression varies from cell type to cell type (1-3). Upon stimulation by tyrosine kinase receptors and cytoplasmic TKs, all three SHCs become phosphorylated. Once phosphorylated, p52, p46 and p66 recruit and form a stable complex with GRB2/SOS. p52 and p46 activate the Ras and MAP kinase pathway, while p66 is involved in a signal transduction pathway that regulates the cellular response to oxidative stress and life span (4-5).
1. Pelicci et al. Cell 70: 93-104, 1992.
2. Ventura, A., Luzi, L., Pacini, S., Baldari, C. T., and Pelicci, P. G. (2002) J. Biol. Chem. 277, 22370-22376
3. Migliaccio et al. (1997) EMBO J. 16, 706-716
4. Migliaccio et al. Nature 402: 309-313, 1999
5. Aronheim A, Engelberg D Li N, Al-Alawi N, Schlessinger J and Karin M (1994), Cell, 78, 949
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