Non-phospho (Active) β-Catenin (Ser33/37/Thr41) Antibody (#4270) Datasheet with Images Cell Signaling Technology

For Research Use Only. Not for Use in Diagnostic Procedures.

Applications:

REACTIVITY:

H M R Mk

SENSITIVITY:

Endogenous

MW (kDa):

SOURCE:

Rabbit

UniProt ID:

#P35222

Entrez-Gene Id:

1499

Product Information

Product Usage Information

Application	Dilution
Western Blotting	1:1000

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.

Specificity / Sensitivity

Non-phospho (Active) β-Catenin (Ser33/37/Thr41) Antibody recognizes endogenous β-Catenin when residues Ser33, Ser37, and Thr41 are not phosphorylated. It does not detect β-Catenin if tri-phosphorylated at Ser33/Ser37/Thr41. This antibody may also detect β-Catenin protein when singly phosphorylated at Ser33. This specificity data was derived from competition ELISA and dot blot analysis using synthetic peptides.

Species Reactivity:

Human, Mouse, Rat, Monkey

Species predicted to react based on 100% sequence homology

Chicken, Xenopus, Zebrafish, Dog

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ser37 of human β-catenin. Antibodies are purified by protein A and peptide affinity chromatography.

Background

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).

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

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Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

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