Products:Signal Transduction >> Protein Phosphorylation >> Tyrosine Kinases >> Receptor Tyrosine Kinases
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ab5681 has been referenced in 2 publications.
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Peptide Competition: Extracts prepared from CHO-T cells transfected with an insulin receptor containing vector and left unstimulated (1) or stimulated with insulin (2-8) were resolved by SDS-PAGE on a 10% polyacrylamide gel and transferred to PVDF. Membranes were blocked with a 5% BSA TBST buffer overnight at 4°C and incubated with the ab5681 antibody for two hours at room temperature in a 3% BSA-TBST buffer, following prior incubation with: no peptide (1, 2), the non-phosphorylated peptide corresponding to the immunogen (3), a generic phosphotyrosine-containing peptide (4), the phosphopeptides corresponding to other IR/IGF1R sites (5-7) or, the phosphopeptide immunogen (8). After washing, membranes were incubated with goat F(ab’ 2 anti-rabbit IgG HRP conjugate and bands were detected using the Pierce SuperSignal method. The data show that only the phosphopeptide corresponding to IR/IGF1R [pYpYpY1158/1162/1163] completely blocks the antibody signal, thereby demonstrating the specificity of the antibody. The data also show the activation of the insulin receptor upon stimulation with insulin.
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