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Zap-70 Blocking Peptide #1160
Western Blot analysis of extracts from Jurkat and Ramos cells, using Zap-70 (99F2) Rabbit mAb #2705 (left) or the same antibody preincubated with Zap-70 Blocking Peptide (right).Learn more about how we got this image
Gallery: Zap-70 Blocking Peptide #1160
This peptide can be used to block Zap-70 (99F2) Rabbit mAb #2705.
The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry. The peptide blocks Zap-70 (99F2) Rabbit mAb #2705 signal completely in both immunohistochemistry and western blotting.
Use as a blocking reagent to evaluate the specificity of antibody reactivity in western immunoblotting and immunohistochemistry protocols. For immunohistochemistry, add 2 µl of antibody #2705 and 2 µl of blocking peptide to 0.096 ml of buffer, and incubate at least 30 minutes before allowing to react with the slides. For western immunoblotting, add 10 µl of antibody and 10 µl of blocking peptide to 10 ml of antibody dilution buffer, and incubate at room temperature for 2 hours before allowing to react with the blot.Storage: Supplied in 20 mM potassium phosphate (pH 7.0), 50 mM NaCl, 0.1 mM EDTA, 1 mg/ml BSA and 5% glycerol. Store at –20°C.
The Syk family protein tyrosine kinase Zap-70 is expressed in T and NK cells and plays a critical role in mediating T cell activation in response to T cell receptor (TCR) engagement (1). Following TCR engagement, Zap-70 is rapidly phosphorylated on several tyrosine residues through autophosphorylation and transphosphorylation by the Src family tyrosine kinase Lck (2-6). Tyrosine phosphorylation correlates with increased Zap-70 kinase activity and downstream signaling events. Expression of Zap-70 is correlated with disease progression and survival in patients with chronic lymphocytic leukemia (7,8).
For Research Use Only. Not For Use In Diagnostic Procedures. Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.