| Overview |
| bs-70387r-100ul |
| γ-Catenin (Tyr-550), Phosphospecific Antibody |
| WB |
| This antibody was cross-adsorbed to both phospho-tyrosine coupled to agarose and to dephosphorylated γ-Catenin (Tyr-550) peptide before affinity purification using phospho-γ-Catenin (Tyr-550) peptide (without carrier). |
| Human, Mouse, Rat |
| Specifications |
| Unconjugated |
| Rabbit |
| Phospho-γ-Catenin (Tyr-550) synthetic peptide (coupled to KLH) corresponding to amino acid residues around tyrosine 550 of human γ-Catenin. |
| Tyr-550 |
| Polyclonal |
| IgG |
| Antigen Affinity purification |
| PBS + 1 mg/ml BSA, 0.05% NaN3 and 50% glycerol |
| Storage at -20°C is recommended, as aliquots may be taken without freeze/thawing due to presence of 50% glycerol. Stable for at least 1 year at -20°C. |
| Target |
| P14923 |
| Plakoglobin, JUP, Desmoplakin III, Desmoplakin-3, catenin gamma1 |
| Plakoglobin (γ-Catenin) is a catenin family member identified as a component of desmosomes. γ-Catenin has high homology to β-catenin and, like β-catenin, it can associate with the cadherins, E-cadherin and N-cadherin. One molecule of α-catenin and at least one molecule of β-catenin and γ-Catenin simultaneously bind to a single cadherin molecule. A 19-amino acid sequence of desmoglein was found to be critical for binding of γ-Catenin. Similar catenin-binding domains found in cadherins, suggest a common mechanism for γ-Catenin localization to both adherens junctions and desmosomes. Phosphorylation of tyrosine residues in γ-Catenin can modify its interactions with other proteins. Phosphorylation of tyrosine 644 decreases γ-Catenin association with α-catenin, but increases binding to desmoplakin. Fer kinase can phosphorylate tyrosine 550, which increases γ-Catenin binding to α-catenin. Thus, tyrosine phosphorylation may be important for regulation of γ-Catenin protein-protein interactions within desmosomal complexes. |
| Application Dilution |
| WB |
1:300-5000 |
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