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ab12869 has been referenced in 2 publications.
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Predicted band size : 74.3 kDa
Lysates prepared from Jurkat cells left untreated (1) or treated with hydrogen peroxide (2-6) were resolved by SDS-PAGE on a 10% polyacrylamide gel and transferred to PVDF. Membranes were either left untreated (1-6) or treated with YOP phosphatase (7), blocked with a 5% BSA-TBST buffer for one hour at room temperature, and incubated with ab12869 for two hours at room temperature in a 3% BSA-TBST buffer, following prior incubation with: no peptide (1, 2, 6), the non-phosphopeptide corresponding to the immunogen (3), a generic phosphotyrosine-containing peptide (4) the phosphopeptide immunogen (5) or, the phosphopeptide corresponding to ZAP70 [phospho Y315] (6). After washing, membranes were incubated with goat IgG HRP conjugate and bands were detected. The data show that only the peptide corresponding to ZAP70 [phospho Y315 & phospho Y319] completely blocks the antibody signal. The data also show that phosphatase stripping eliminates the signal, verifying that the antibody is phospho-specific.
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