A synthetic phospho-peptide corresponding to residues surrounding Tyr31 of human Paxillin was used as immunogen. The antibody only detects Paxillin phosphorylated on Tyrosine 31.
Buffer
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
Paxillin is a cytoskeletal protein involved in actin-membrane attachment at sites of cell adhesion to the extracellular matrix (focal adhesion) (1). Paxillin plays a significant role in integrin signaling and the tyrosine phosphorylation of paxillin is required for integrin-mediated cytoskeletal reorganization (2). Paxillin is phosphorylated by focal adhesion kinase (FAK) at Tyr118 (3). It has been found that phosphorylation of paxillin at both Tyr118 and Tyr31 is essential for MM1 cancer cell migration (4).
Related Pathway
EGFR1 Signaling Pathway
Focal Adhesion
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Western blot analysis on NIH 3T3 cell lysate using anti-Phospho-Paxillin (pY31; dilution 1:10,000. Cells were (1) untreated, and (2) treated with PDGF.
