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You are here:Home » Antibodies » Abs to Catenin » Anti -Catenin, beta, phosphorylated (Tyr142)

Anti -Catenin, beta, phosphorylated (Tyr142)

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Specifications

Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified E B
b-Catenin is a 92kD protein that binds to the cytoplasmic tail of E-Cadherin. The cadherins, transmembrane adhesion molecules, are found with catenins at adherens junctions. Deletions in the cytoplasmic domain of E-Cadherin eliminate catenin binding and result in a loss of cell adhesion. Tyrosine phosphorylation of b-Catenin can regulate its interaction with critical components of adherens junctions. Both Fer and Fyn kinases phosphorylate tyrosine 142 in vitro. Overexpression of these kinases in epithelial cells disrupts interactions between a- and b-Catenins. The phosphorylation of tyrosine 142 may act as a switch from the transcriptional to the adhesive role of b-Catenin. Src family kinases can also phosphorylate tyrosine 654 in the C-terminal armadillo repeat of b-Catenin. This phosphorylation regulates b-Catenin binding to E-cadherin. Thus, site-specific tyrosine phosphorylation of b-Catenin may regulate specific protein-protein interactions leading to changes in cell adhesion.
Catalog #C2069-54B
ApplicationsSuitable for use in ELISA, Western Blot or for antigen applications in immunological protocols. Other applications not tested.
Recommended DilutionWestern Blot: 1:500. Membrane was incubated with diluted antibody in 5% non-fat milk, PBS, 0.04% Tween 20 for 1 hour at RT.
ELISA: 1:2000
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
IsotypeIgG
HostRabbit
SourceHuman
ConcentrationNot determined
FormSupplied as a liquid in PBS, 1mg/ml BSA, 0.05% sodium azide, 50% glycerol.
PurityPurified by immunoaffinity chromatography.
ImmunogenSynthetic phosphopeptide corresponding to amino acid residues around tyrosine 142 of human b-Catenin (KLH).
SpecificityRecognizes a 92kD protein corresponding to the molecular mass of b-Catenin wnen phosphorylated at Try142 on SDS-PAGE immunoblots of Hct116 src transformed cells treated with pervanadate, but not in control cells. Similar results were observed in other pervanadate-treated cell lines, such as A431 and human endothelial cells. Species sequence homology
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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