NP_001091679.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
Observed: 86 kDa Predicted: 86 kDa
NCBI Official Full Name
catenin beta-1 isoform 1
NCBI Official Synonym Full Names
catenin beta 1
NCBI Protein Information
catenin beta-1
UniProt Protein Name
Catenin beta-1
UniProt Synonym Protein Names
Beta-catenin
UniProt Synonym Gene Names
NCBI Summary for CTNNB1
The protein encoded by this gene is part of a complex of proteins that constitute adherens junctions (AJs). AJs are necessary for the creation and maintenance of epithelial cell layers by regulating cell growth and adhesion between cells. The encoded protein also anchors the actin cytoskeleton and may be responsible for transmitting the contact inhibition signal that causes cells to stop dividing once the epithelial sheet is complete. Finally, this protein binds to the product of the APC gene, which is mutated in adenomatous polyposis of the colon. Mutations in this gene are a cause of colorectal cancer (CRC), pilomatrixoma (PTR), medulloblastoma (MDB), and ovarian cancer. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2016]
UniProt Comments for CTNNB1
Key downstream component of the canonical Wnt signaling pathway. In the absence of Wnt, forms a complex with AXIN1, AXIN2, APC, CSNK1A1 and GSK3B that promotes phosphorylation on N-terminal Ser and Thr residues and ubiquitination of CTNNB1 via BTRC and its subsequent degradation by the proteasome. In the presence of Wnt ligand, CTNNB1 is not ubiquitinated and accumulates in the nucleus, where it acts as a coactivator for transcription factors of the TCF/LEF family, leading to activate Wnt responsive genes. Involved in the regulation of cell adhesion, as component of an E-cadherin:catenin adhesion complex. Acts as a negative regulator of centrosome cohesion. Involved in the CDK2/PTPN6/CTNNB1/CEACAM1 pathway of insulin internalization. Blocks anoikis of malignant kidney and intestinal epithelial cells and promotes their anchorage-independent growth by down-regulating DAPK2. Disrupts PML function and PML-NB formation by inhibiting RANBP2-mediated sumoylation of PML (PubMed:17524503, PubMed:18077326, PubMed:18086858, PubMed:18957423, PubMed:21262353, PubMed:22647378, PubMed:22699938, PubMed:22155184). Promotes neurogenesis by maintaining sympathetic neuroblasts within the cell cycle ().
Product References and Citations for anti-CTNNB1 antibody
Kong J, Di C, Piao J, Sun J, Han L, Chen L, Yan G, Lin Z; Journal: Oncotarget. Ezrin contributes to cervical cancer progression through induction of epithelial-mesenchymal transition. Tong Lu, Huayou Luo, Jia Liu, Cheng Chen, Feng Wang, Zongwen Shen, Tonglei Liu, Yujian Zeng, Ting-Hua Wang, Kun-Hua Wang; Journal: Int J Clin Exp Pathol.
Research Articles on CTNNB1
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Products associated with anti-CTNNB1 antibody
Pathways associated with anti-CTNNB1 antibody
Diseases associated with anti-CTNNB1 antibody
Organs/Tissues associated with anti-CTNNB1 antibody
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