Rabbit beta Catenin Polyclonal Antibody | anti-CTNNB1 antibody

Phospho-beta Catenin (Tyr654) Antibody

Cat. Num. AAA9612865

• Gene Names: CTNNB1; CTNNB; MRD19; armadillo
• Reactivity: Human, Mouse, Rat
• Applications: ELISA
• Purity: The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
• Synonyms: beta Catenin; Polyclonal Antibody; Phospho-beta Catenin (Tyr654) Antibody; Beta catenin; Beta-catenin; Cadherin associated protein; Catenin (cadherin associated protein); beta 1; 88kDa; Catenin beta 1; Catenin beta-1; CATNB; CHBCAT; CTNB1_HUMAN; CTNNB; CTNNB1; DKFZp686D02253; FLJ25606; FLJ37923; OTTHUMP00000162082; OTTHUMP00000165222; OTTHUMP00000165223; OTTHUMP00000209288; OTTHUMP00000209289; anti-CTNNB1 antibody

• Host: Rabbit
• Reactivity: Human, Mouse, Rat
• Clonality: Polyclonal
• Isotype: Rabbit IgG
• Specificity: Phospho-beta Catenin (Tyr654) Antibody detects endogenous levels of beta Catenin only when phosphorylated at Tyr654.; Tissue Specificity: Expressed in several hair follicle cell types: basal and peripheral matrix cells, and cells of the outer and inner root sheaths. Expressed in colon. Present in cortical neurons (at protein level). Expressed in breast cancer tissues (at protein level).
• Purity/Purification: The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
• Form/Format: Liquid. Rabbit IgG in phosphate buffered saline, pH7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
• Concentration: 1mg/ml (varies by lot)

• Applicable Applications for anti-CTNNB1 antibody: Peptide ELISA (EIA)
• Application Notes: Peptide ELISA: 1:20,000-1:40,000
• Immunogen: A synthesized peptide derived from human beta Catenin around the phosphorylation site of Tyr654.
• Conjugation: Unconjugated
• Fragment: Fab fragment
• Post Translational Modifications: Phosphorylation at Ser-552 by AMPK promotes stabilizion of the protein, enhancing TCF/LEF-mediated transcription (By similarity). Phosphorylation by GSK3B requires prior phosphorylation of Ser-45 by another kinase. Phosphorylation proceeds then from Thr-41 to Ser-37 and Ser-33. Phosphorylated by NEK2. EGF stimulates tyrosine phosphorylation. Phosphorylation on Tyr-654 decreases CDH1 binding and enhances TBP binding. Phosphorylated on Ser-33 and Ser-37 by HIPK2 and GSK3B, this phosphorylation triggers proteasomal degradation. Phosphorylation on Ser-191 and Ser-246 by CDK5. Phosphorylation by CDK2 regulates insulin internalization. Phosphorylation by PTK6 at Tyr-64, Tyr-142, Tyr-331 and/or Tyr-333 with the predominant site at Tyr-64 is not essential for inhibition of transcriptional activity.Ubiquitinated by the SCF (BTRC) E3 ligase complex when phosphorylated by GSK3B, leading to its degradation. Ubiquitinated by a E3 ubiquitin ligase complex containing UBE2D1, SIAH1, CACYBP/SIP, SKP1, APC and TBL1X, leading to its subsequent proteasomal degradation (By similarity). S-nitrosylation at Cys-619 within adherens junctions promotes VEGF-induced, NO-dependent endothelial cell permeability by disrupting interaction with E-cadherin, thus mediating disassembly adherens junctions.O-glycosylation at Ser-23 decreases nuclear localization and transcriptional activity, and increases localization to the plasma membrane and interaction with E-cadherin CDH1.Deacetylated at Lys-49 by SIRT1.
• Subunit Structure: Two separate complex-associated pools are found in the cytoplasm. The majority is present as component of an E-cadherin:catenin adhesion complex composed of at least E-cadherin/CDH1 and beta-catenin/CTNNB1, and possibly alpha-catenin/CTNNA1; the complex is located to adherens junctions. The stable association of CTNNA1 is controversial as CTNNA1 was shown not to bind to F-actin when assembled in the complex. Alternatively, the CTNNA1-containing complex may be linked to F-actin by other proteins such as LIMA1. Another cytoplasmic pool is part of a large complex containing 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. Wnt-dependent activation of DVL antagonizes the action of GSK3B. When GSK3B activity is inhibited the complex dissociates, CTNNB1 is dephosphorylated and is no longer targeted for destruction. The stabilized protein translocates to the nucleus, where it binds TCF/LEF-1 family members, TBP, BCL9, BCL9L and possibly also RUVBL1 and CHD8. Binds CTNNBIP and EP300. CTNNB1 forms a ternary complex with LEF1 and EP300 that is disrupted by CTNNBIP1 binding. Interacts with TAX1BP3 (via the PDZ domain); this interaction inhibits the transcriptional activity of CTNNB1. Interacts with AJAP1, BAIAP1, CARM1, CTNNA3, CXADR and PCDH11Y. Binds SLC9A3R1. Interacts with GLIS2 and MUC1. Interacts with SLC30A9. Interacts with XIRP1. Interacts directly with AXIN1; the interaction is regulated by CDK2 phosphorylation of AXIN1. Interacts with SCRIB. Interacts with RAPGEF2. Interacts with PTPRU (via the cytoplasmic juxtamembrane domain). Interacts with EMD. Interacts with TNIK and TCF7L2. Interacts with SESTD1 and TRPC4. Interacts with CAV1. Interacts with TRPV4. The TRPV4 and CTNNB1 complex can interact with CDH1. Interacts with VCL. Interacts with PTPRJ. Interacts with PKT7 and CDK2. Interacts with FAT1 (via the cytoplasmic domain). Interacts with NANOS1 and NDRG2. Interacts with isoform 1 of NEK2. Interacts with both isoform 1 and isoform 2 of CDK5. Interacts with PTK6. Interacts with SOX7; this interaction may lead to proteasomal degradation of active CTNNB1 and thus inhibition of Wnt/beta-catenin-stimulated transcription. Identified in a complex with HINT1 and MITF. Interacts with FHIT. The CTNNB1 and TCF7L2/TCF4 complex interacts with PML (isoform PML-4). Interacts with FERMT2. Identified in a complex with TCF7L2/TCF4 and FERMT2. Interacts with RORA. May interact with P-cadherin/CDH3. Interacts with RNF220. Interacts with CTNND2. Interacts (via the C-terminal region) with CBY1. The complex composed, at least, of APC, CTNNB1 and GSK3B interacts with JPT1; the interaction requires the inactive form of GSK3B (phosphorylated at 'Ser-9'). Interacts with DLG5 (By similarity). Interacts with FAM53B; promoting translocation to the nucleus. Interacts with TMEM170B. Interacts with AHI1. Interacts with GID8. Component of an cadherin:catenin adhesion complex composed of at least of CDH26, beta-catenin/CTNNB1, alpha-catenin/CTNNA1 and p120 catenin/CTNND1. Forms a complex comprising APPL1, RUVBL2, APPL2, HDAC1 and HDAC2. Interacts with IRF2BPL; mediates the ubiquitination and degradation of CTNNB1. Interacts with AMFR (By similarity). Interacts with LMBR1L. Interacts with SOX30; prevents interaction of CTNNB1 with TCF7L2/TCF4 and leads to inhibition of Wnt signaling. (Microbial infection) Interacts with herpes virus 8 protein vPK; this interaction inhibits the Wnt signaling pathway.
• Similarity: Belongs to the beta-catenin family.
• Subcellular Location: Cytoplasm. Nucleus. Cytoplasm>Cytoskeleton. Cell junction>Adherens junction. Cell junction. Cell membrane. Cytoplasm>Cytoskeleton>Microtubule organizing center>Centrosome. Cytoplasm>Cytoskeleton>Spindle pole. Cell junction>Synapse. Cytoplasm>Cytoskeleton>Cilium basal body.; Note: Colocalized with RAPGEF2 and TJP1 at cell-cell contacts (By similarity). Cytoplasmic when it is unstabilized (high level of phosphorylation) or bound to CDH1. Translocates to the nucleus when it is stabilized (low level of phosphorylation). Interaction with GLIS2 and MUC1 promotes nuclear translocation. Interaction with EMD inhibits nuclear localization. The majority of beta-catenin is localized to the cell membrane. In interphase, colocalizes with CROCC between CEP250 puncta at the proximal end of centrioles, and this localization is dependent on CROCC and CEP250. In mitosis, when NEK2 activity increases, it localizes to centrosomes at spindle poles independent of CROCC. Colocalizes with CDK5 in the cell-cell contacts and plasma membrane of undifferentiated and differentiated neuroblastoma cells. Interaction with FAM53B promotes translocation to the nucleus (PubMed:25183871).
• Preparation and Storage: Store at -20 degree C. Stable for 12 months from date of receipt.

Related Product Information for anti-CTNNB1 antibody

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. Promotes neurogenesis by maintaining sympathetic neuroblasts within the cell cycle (By similarity).

NCBI and Uniprot Product Information

• NCBI GI #: 148233338
• NCBI GeneID: 1499
• NCBI Accession #: NP_001091679.1
• NCBI GenBank Nucleotide #: NM_001098209.1
• UniProt Accession #: P35222; Q8NEW9; Q8NI94; Q9H391; A8K1L7
• Molecular Weight: 85,497 Da
• NCBI Official Full Name: catenin beta-1
• NCBI Official Synonym Full Names: catenin (cadherin-associated protein), beta 1, 88kDa
• NCBI Official Symbol: CTNNB1
• NCBI Official Synonym Symbols: CTNNB; MRD19; armadillo
• NCBI Protein Information: catenin beta-1
• UniProt Protein Name: Catenin beta-1
• Protein Family: Catenin
• UniProt Gene Name: CTNNB1
• UniProt Synonym Gene Names: CTNNB
• UniProt Entry Name: CTNB1_HUMAN

NCBI Description

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. Three transcript variants encoding the same protein have been found for this gene.[provided by RefSeq, Oct 2009]

Uniprot Description

CTNNB1: a regulator of cell adhesion and a key downstream effector in the Wnt signaling pathway. Implicated early embryonic development and tumorigenesis. Phosphorylated and destabilized by CK1 and GSK-3beta. Stabilized cytoplasmic beta-catenin is a hallmark of a variety of cancers. Stabilized beta-catenin translocates to the nucleus, where it acts as a transcriptional activator of T-cell factor (TCF)-regulated genes. Interacts with the PDZ domain of TAX1BP3, inhibiting its transcriptional activity. Two alternatively spliced human isoforms have been described.

Protein type: Cell adhesion; Nuclear receptor co-regulator; Motility/polarity/chemotaxis; Transcription factor; Oncoprotein; Actin-binding

Chromosomal Location of Human Ortholog: 3p21

Cellular Component: centrosome; basolateral plasma membrane; fascia adherens; intercellular junction; beta-catenin destruction complex; cytosol; transcription factor complex; cell-cell adherens junction; membrane; lamellipodium; perinuclear region of cytoplasm; cytoplasm; synapse; dendritic shaft; lateral plasma membrane; spindle pole; focal adhesion; tight junction; catenin complex; cell cortex; Z disc; nucleoplasm; adherens junction; apical part of cell; microvillus membrane; plasma membrane; cell junction; nucleus

Molecular Function: protein C-terminus binding; transcription coactivator activity; protein phosphatase binding; transcription factor binding; ionotropic glutamate receptor binding; protein binding; signal transducer activity; enzyme binding; androgen receptor binding; cadherin binding; double-stranded DNA binding; protein complex binding; estrogen receptor binding; nitric-oxide synthase binding; SMAD binding; kinase binding; transcription factor activity; nuclear hormone receptor binding; alpha-catenin binding

Biological Process: regulation of myelination; regulation of centriole-centriole cohesion; protein heterooligomerization; positive regulation of apoptosis; regulation of fibroblast proliferation; positive regulation of transcription, DNA-dependent; cell maturation; negative regulation of chondrocyte differentiation; T cell differentiation in the thymus; positive regulation of fibroblast growth factor receptor signaling pathway; Wnt receptor signaling pathway through beta-catenin; osteoclast differentiation; cell-cell adhesion; positive regulation of endothelial cell differentiation; embryonic foregut morphogenesis; positive regulation of mesenchymal cell proliferation; regulation of cell fate specification; ectoderm development; synapse organization and biogenesis; male genitalia development; cell adhesion; bone resorption; response to drug; positive regulation of neuroblast proliferation; positive regulation of I-kappaB kinase/NF-kappaB cascade; transcription, DNA-dependent; regulation of smooth muscle cell proliferation; hair cell differentiation; negative regulation of protein sumoylation; patterning of blood vessels; genitalia morphogenesis; muscle cell differentiation; midgut development; smooth muscle cell differentiation; positive regulation of transcription from RNA polymerase II promoter; embryonic digit morphogenesis; negative regulation of transcription, DNA-dependent; oocyte development; embryonic forelimb morphogenesis; negative regulation of osteoclast differentiation; glial cell fate determination; endodermal cell fate commitment; apoptosis; cell-matrix adhesion; neuron migration; cell fate specification; dorsal/ventral axis specification; positive regulation of histone H3-K4 methylation; negative regulation of transcription from RNA polymerase II promoter; embryonic hindlimb morphogenesis; response to estradiol stimulus; negative regulation of cell proliferation; central nervous system vasculogenesis; positive regulation of MAPKKK cascade; pancreas development; positive regulation of interferon type I production; fallopian tube development; proximal/distal pattern formation; layer formation in the cerebral cortex; negative regulation of mitotic cell cycle, embryonic; cell structure disassembly during apoptosis; Wnt receptor signaling pathway; hair follicle morphogenesis; thymus development; in utero embryonic development; regulation of T cell proliferation; embryonic axis specification; neural plate development; stem cell maintenance; synaptic vesicle transport; gastrulation with mouth forming second; liver development; regulation of angiogenesis; odontogenesis of dentine-containing teeth; negative regulation of oligodendrocyte differentiation; myoblast differentiation; Schwann cell proliferation; positive regulation of osteoblast differentiation; response to cadmium ion; ureteric bud branching; response to cytokine stimulus; androgen receptor signaling pathway; positive regulation of muscle cell differentiation; epithelial to mesenchymal transition; embryonic heart tube development; innate immune response; lens morphogenesis in camera-type eye; anterior/posterior axis specification

Disease: Pilomatrixoma; Mental Retardation, Autosomal Dominant 19; Ovarian Cancer; Colorectal Cancer; Hepatocellular Carcinoma