Product Pathways - Adhesion
Phospho-Catenin δ-1 (Tyr904) Antibody #2910
|2910S||100 µl (10 western blots)||---||In Stock||---|
|2910||carrier free and custom formulation / quantity||email request|
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Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting
Specificity / Sensitivity
Phospho-Catenin δ-1 (Tyr904) Antibody detects endogenous levels of catenin δ-1 protein only when phosphorylated at Tyr904. The antibody might cross react with another overexpressed phospho-tyrosine protein.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with synthetic phosphopeptides corresponding to residues surrounding Tyr904 of human/mouse catenin δ-1. Antibodies are purified by peptide affinity chromatography.
Catenin δ-1 (p120 catenin) has an amino-terminal coiled-coil domain followed by a regulatory domain containing multiple phosphorylation sites and a central Armadillo repeat domain of ten linked 42-amino acid repeats. The carboxy-terminal tail has no known function (1). Catenin δ-1 fulfills critical roles in the regulation of cell-cell adhesion as it regulates E-cadherin turnover at the cell surface to determine the level of E-cadherin available for cell-cell adhesion (2). Catenin δ-1 has both positive and negative effects on cadherin-mediated adhesion (3). Actin dynamics are also regulated by catenin δ-1, which modulates RhoA, Rac, and cdc42 proteins (1). Analogous to β-catenin, catenin δ-1 translocates to the nucleus, although its role at this location is unclear. Many studies show that catenin δ-1 is expressed irregularly or is absent in various types of tumor cells, suggesting that catenin δ-1 may function as a tumor suppressor (4).
Phosphorylation of Tyr904 on Catenin-δ-1 was identified at Cell Signaling Technology (CST) using PhosphoScan®, a CST's LC-MS/MS platform for phosphorylation site discovery (5).
- Reynolds, A.B. and Roczniak-Ferguson, A. (2004) Oncogene 23, 7947-7956.
- Davis, M. A. et al. (2003) J. Cell Biol. 163, 525-534.
- Thoreson, M.A. and Reynolds, A.B. (2002) Differentiation 70, 583-589.
- Anastasiadis, P.Z. and Reynolds, A.B. (2000) J. Cell Sci. 113, 1319-1334.
- Rush, J. et al. (2005) Nat. Biotechnol. 23, 94-101.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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