Detection of Human, Mouse, and Rat SHP‑2 by Western Blot.
Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line, TS1 mouse helper T cell line, and PC-12 rat adrenal pheochromocytoma cell line. ??? membrane was probed with 2 µg/mL Rat Anti-Human/Mouse/Rat SHP‑2 Monoclonal Antibody (Catalog # MAB1894) followed by HRP-conjugated Anti-Rat IgG Secondary Antibody (Catalog # HAF005). For additional reference, Recombinant Human Active SHP‑1 aa 205-595 (Catalog # 1878-SH) and Recombinant Human SHP‑2 (Catalog # 1894-SH) (2 ng/lane) were included. A specific band for SHP-2 was detected at approximately ??? kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Src-Homology domain-2 containing protein tyrosine Phosphatase 2 (SHP-2), also called protein tyrosine phosphatase, non-receptor type 11 (PTPN11), PTP1D, PTP2C, and SYP, is an enzyme that dephosphorylates tyrosine residues in proteins. The protein contains two Src homology 2 (SH2) domains, which both regulate the activity of the enzyme (1) and allow it to selectively bind to SH2 sites on proteins such as Dok1, IRS1, and the insulin receptor (2). SHP-2 plays a unique stimulatory role in cell signaling. Cells lacking SHP-2 have poor mobility because the hyper-phosphorylation of FAK and other proteins in the focal adhesion complex (3) prevents turnover of cellular attachment points. Without SHP-2, sustained ERK stimulation does not take place (4). The Y992 phosphorylation site of EGFR is a particularly good substrate for SHP-2 (5).
Zhao, Z. et al. (1994) J. Biol. Chem. 269:8780.
Clemmons, D.R. and Maile, L.A. (2005) Mol. Endocrinol. 19:1.
von Wichert, G. et al. (2003) EMBO J. 22:5023.
Maroun, C.R. et al. (2000) Mol. Cell. Biol. 20:8513.
Sugimoto, S. et al. (1993) J. Biol. Chem. 269:22771.
Src Homology Region 2 Domain Phosphatase 2
Entrez Gene IDs:
5781 (Human); 54390 (Mouse); 25622 (Rat)
BPTP3; EC 188.8.131.52; MGC14433; protein tyrosine phosphatase, non-receptor type 11; protein tyrosine phosphatase-2; Protein-tyrosine phosphatase 1D; Protein-tyrosine phosphatase 2C; PTP1D; PTP-1D; PTP2C; PTP-2C; PTP2CNS1; PTPN11; SHP2; SHP-2; SHP2CFC; SHPTP2; SH-PTP2; SH-PTP2Noonan syndrome 1; SH-PTP3; tyrosine-protein phosphatase non-receptor type 11
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