|Datasheet||Specific References||Reviews||Related Products||Protocols|
|ORF Clone of Homo sapiens catenin (cadherin-associated protein), beta 1, 88kDa DNA.|
|CTNNB, FLJ25606, FLJ37923, DKFZp686D02253, CTNNB1|
|pMD18-T Simple Vector|
|Identical with the Gene Bank Ref. ID sequence.|
|Whatman FTA elute card (Cat: WB120410) contains 5-10 μg of plasmid.|
|The Whatman FTA elute card can be stored at room temperature for three months under dry condition.|
pMD18-T Simple Vector is a high-efficiency TA cloning vector constructed from pUC18, of which the initial multiple cloning sites (MCS) were destroyed. Thus the cDNA should be amplified by PCR with primers containing a restriction site for subclone. Competent cells appropriate for pUC18 are also appropriated for the Vector, e.g. JM109, DH5α, TOP10. The pMD18-T Simple Vector is 2.6kb in size. Selection of the plasmid in E. coli is conferred by the ampicillin resistance gene. The coding sequence was inserted by TA cloning at site 425.
The coding sequence can be amplified by PCR with M13-47 and RV-M primers.
|Human CTNNB1 Gene cDNA Clone (full-length ORF Clone), expression ready, FLAG-tagged||HG11279-M-F|
|Human CTNNB1 Gene cDNA Clone (full-length ORF Clone), expression ready, His-tagged||HG11279-M-H|
|Human CTNNB1 Gene cDNA Clone (full-length ORF Clone), expression ready, Myc-tagged||HG11279-M-M|
|Human CTNNB1 Gene cDNA Clone (full-length ORF Clone), expression ready, untagged||HG11279-M-N|
|Human CTNNB1 Gene cDNA Clone (full-length ORF Clone), expression ready, HA-tagged||HG11279-M-Y|
|Product name||Product name|
beta-Catenin, also known as CTNNB1, is a member of the armadillo family of proteins. These proteins have multiple copies of the so-called armadillo repeat domain, which is specialized for protein-protein binding. It 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. CTNNB1 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, beta-Catenin binds to the product of the APC gene, which is mutated in adenomatous polyposis of the colon. Defects in beta-Catenin can cause colorectal cancer, pilomatrixoma (PTR), medulloblastoma, and ovarian cancer. CTNNB1 is a key dowstream component of the canonical Wnt signaling pathway. In the absence of Wnt, it 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, beta-Catenin 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. CTNNB1 is involved in the regulation of cell adhesion. The majority of beta-catenin is localized to the cell membrane and is part of E-cadherin/catenin adhesion complexes which are proposed to couple cadherins to the actin cytoskeleton.