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Key Documents

MABE1828

Sigma-Aldrich

Anti-beta-Catenin Antibody, clone mAb-Cat1

clone mAb-Cat1, from rat

别名:

beta-Catenin 1, Catenin beta-1

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About This Item

分類程式碼代碼:
12352203
eCl@ss:
32160702
NACRES:
NA.41

生物源

rat

抗體表格

purified immunoglobulin

抗體產品種類

primary antibodies

無性繁殖

mAb-Cat1, monoclonal

物種活性

human

物種活性(以同源性預測)

mouse (based on 100% sequence homology), bovine (based on 100% sequence homology)

包裝

antibody small pack of 25 μL

技術

ChIP: suitable
dot blot: suitable
immunoprecipitation (IP): suitable
western blot: suitable

同型

IgG1κ

NCBI登錄號

UniProt登錄號

目標翻譯後修改

unmodified

基因資訊

human ... CTNNB1(1499)
mouse ... Ctnnb1(12387)

一般說明

Catenin beta-1 (UniProt: P35222; also known as beta-Catenin) is encoded by the CTNNB1 (also known as CTNNB, OK/SW-cl.35, PRO2286) gene (Gene ID: 1499) in human. Catenin beta-1 is a key downstream component of the canonical Wnt signaling pathway that participates in intercellular adhesion and Wnt-mediated transcriptional activation. In the absence of Wnt, it forms a complex with AXIN1, AXIN2, APC, CSNK1A1, and GSK-3 beta that promotes phosphorylation on N-terminal serine and threonine residues that leads to its subsequent degradation by the proteasome. In the presence of Wnt ligand, it is not ubiquitinated and accumulates in the nucleus, where it acts as a coactivator for transcription factors of the TCF/LEF family, which leads to activation of Wnt responsive genes. O-glycosylation at serine 23 is reported to decreases its nuclear localization and transcriptional activity. Wnt/beta-catenin signaling is shown to be essential for embryonic stem cell (ESC) pluripotency and differentiation. In ESC beta-catenin is trimethylated on Lysine 49 by Ezh2 methyltransferase and this trimethylated form represses neuronal differentiation genes Sox1 and Sox3. Mutations in CTNNB1 gene are shown to cause colorectal cancers, medulloblastoma, and ovarian cancers. (Ref.: Hoffmeyer, K., et al. (2017). Cell Reports 18(12); 2815-2824.

特異性

This rat monoclonal antibody detects beta-catenin 1 unmodified and methylated or acetylated on lysine 49. It targets an epitope with in 19 amino acids from the N-terminal region.

免疫原

BSA-conjugated linear peptide corresponding to 19 amino acids from the N-terminal region of human beta-catenin 1.

應用

Anti-beta-Catenin, clone mAb-Cat1, Cat. No. MABE1828, is a highly specific rat monoclonal antibody that targets beta-catenin 1 and has been tested for use in Chromatin Immunoprecipitation (ChIP), Dot Blot, Immunoprecipitation, and Western Blottiing.
Research Category
Epigenetics & Nuclear Function
Western Blotting Analysis: A representative lot detected beta-Catenin in Western Blotting applications (Hoffmeyer, K., et. al. (2017). Cell Rep. 18(12):2815-2824).

Immunoprecipitation Analysis: A representative lot immunoprecipitated beta-Catenin in Immunoprecipitation applications (Hoffmeyer, K., et. al. (2017). Cell Rep. 18(12):2815-2824).

Dot Blot Analysis: A representative lot detected beta-Catenin in Dot Blot applications (Hoffmeyer, K., et. al. (2017). Cell Rep. 18(12):2815-2824).

Chromatin Immunoprecipitation Analysis (ChIP): A representative lot immunoprecipitated beta-Catenin in Chromatin Immunoprecipitation applications (Hoffmeyer, K., et. al. (2017). Cell Rep. 18(12):2815-2824).

品質

Evaluated by Western Blotting in SW 480 cell lysate.

Western Blotting Analysis: 1 µg/mL of this antibody detected beta-Catenin in SW 480 cell lysate.

標靶描述

~100 kDa observed; 85.48 kDa calculated. Uncharacterized bands may be observed in some lysate(s).

外觀

Protein G purified
Format: Purified
Purified rat monoclonal antibody IgG1 in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

儲存和穩定性

Stable for 1 year at 2-8°C from date of receipt.

其他說明

Concentration: Please refer to lot specific datasheet.

免責聲明

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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