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REACTIVITY SENSITIVITY MW (kDa) Isotype
Mouse 

Product Usage Information

Storage: Supplied in 136 mM NaCl, 2.6 mM KCI, 12 mM sodium phosphate (pH 7.4) dibasic, 2 mg/ml BSA, and 50% glycerol. Store at –20°C. Do not aliquot the antibodies.

Specificity / Sensitivity

β-Catenin (L54E2) Mouse mAb (Biotinylated) detects endogenous levels of total β-catenin protein.


Species predicted to react based on 100% sequence homology: Mouse, Rat, Pig

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the carboxy terminus of human β-catenin protein.

Product Description

This Cell Signaling Technology antibody is conjugated to biotin under optimal conditions. The unconjugated β-Catenin (L54E2) Mouse mAb (IF Preferred) #2677 reacts with human β-catenin protein.


β-Catenin is a key downstream effector in the Wnt signaling pathway (1). It is implicated in two major biological processes in vertebrates: early embryonic development (2) and tumorigenesis (3). CK1 phosphorylates β-catenin at Ser45. This phosphorylation event primes β-catenin for subsequent phosphorylation by GSK-3β (4-6). GSK-3β destabilizes β-catenin by phosphorylating it at Ser33, Ser37, and Thr41 (7). Mutations at these sites result in the stabilization of β-catenin protein levels and have been found in many tumor cell lines (8).


1.  Cadigan, K.M. and Nusse, R. (1997) Genes Dev 11, 3286-305.

2.  Wodarz, A. and Nusse, R. (1998) Annu Rev Cell Dev Biol 14, 59-88.

3.  Polakis, P. (1999) Curr Opin Genet Dev 9, 15-21.

4.  Amit, S. et al. (2002) Genes Dev 16, 1066-76.

5.  Liu, C. et al. (2002) Cell 108, 837-47.

6.  Yanagawa, S. et al. (2002) EMBO J 21, 1733-42.

7.  Yost, C. et al. (1996) Genes Dev 10, 1443-54.

8.  Morin, P.J. et al. (1997) Science 275, 1787-90.


Entrez-Gene Id 1499
Swiss-Prot Acc. P35222


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

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β-Catenin (L54E2) Mouse mAb (Biotinylated)