Cadherins are calcium-dependent cell adhesion proteins. They preferentially interact with themselves in a homophilic manner in connecting cells; cadherins may thus contribute to the sorting of heterogeneous cell types. CDH2 may be involved in neuronal recognition mechanism. In hippocampal neurons, may regulate dendritic spine density (By similarity).
J. Biol. Chem. 270, 20201-20206 (1995)[PubMed:7650039]
Cadherins are calcium-dependent, cell surface glycoproteins involved in cell-cell adhesion. To function in cell-cell adhesion, the transmembrane cadherin molecule must be associated with the cytoskeleton via cytoplasmic proteins known as catenins. Three catenins, alpha-catenin, beta-catenin, and gamma-catenin (also known as plakoglobin), have been identified. The domain of the cadherin molecule important for its interaction with the catenins has been mapped to the COOH-terminal 70 amino acids, but less is known about regions of the catenins that allow them to associate with one another or with the cadherin molecule. In this study we have transfected carboxyl-terminal deletions of plakoglobin into the human fibrosarcoma HT-1080 and used immunofluorescence localization and co-immunoprecipitation to map the regions of plakoglobin that allow it to associate with N-cadherin and with alpha-catenin. Plakoglobin is an armadillo family member containing 13 weakly similar internal repeats. These data show that the alpha-catenin-binding region maps within the first repeat and the N-cadherin-binding region maps within repeats 7 and 8.
beta-Catenin, a pivotal component of the Wnt-signaling pathway, binds to and serves as a transcriptional coactivator for the T-cell factor/lymphoid enhancer factor (TCF/LEF) family of transcriptional activator proteins and for the androgen receptor (AR), a nuclear receptor. Three components of the p160 nuclear receptor coactivator complex, including CARM1, p300/CBP, and GRIP1 (one of the p160 coactivators), bind to and cooperate with beta-catenin to enhance transcriptional activation by TCF/LEF and AR. Here we report that another component of the p160 nuclear receptor coactivator complex, the coiled-coil coactivator (CoCoA), directly binds to and cooperates synergistically with beta-catenin as a coactivator for AR and TCF/LEF. CoCoA uses different domains to bind GRIP1 and beta-catenin, and it uses different domains to transmit the activating signal to the transcription machinery, depending on whether it is bound to GRIP1 or beta-catenin. CoCoA associated specifically with the promoters of transiently transfected and endogenous target genes of TCF/LEF, and reduction of the endogenous CoCoA level decreased the ability of TCF/LEF and beta-catenin to activate transcription of transient and endogenous target genes. Thus, CoCoA uses different combinations of functional domains to serve as a physiologically relevant component of the Wnt/beta-catenin signaling pathway and the androgen signaling pathway.
J. Biol. Chem. 270, 20201-20206 (1995)[PubMed:7650039]
Cadherins are calcium-dependent, cell surface glycoproteins involved in cell-cell adhesion. To function in cell-cell adhesion, the transmembrane cadherin molecule must be associated with the cytoskeleton via cytoplasmic proteins known as catenins. Three catenins, alpha-catenin, beta-catenin, and gamma-catenin (also known as plakoglobin), have been identified. The domain of the cadherin molecule important for its interaction with the catenins has been mapped to the COOH-terminal 70 amino acids, but less is known about regions of the catenins that allow them to associate with one another or with the cadherin molecule. In this study we have transfected carboxyl-terminal deletions of plakoglobin into the human fibrosarcoma HT-1080 and used immunofluorescence localization and co-immunoprecipitation to map the regions of plakoglobin that allow it to associate with N-cadherin and with alpha-catenin. Plakoglobin is an armadillo family member containing 13 weakly similar internal repeats. These data show that the alpha-catenin-binding region maps within the first repeat and the N-cadherin-binding region maps within repeats 7 and 8.
cDNA clones encoding the human N-cadherin cell adhesion molecule have been isolated from an embryonic muscle library by screening with an oligonucleotide probe complementary to the chick brain sequence and chick brain cDNA probe lambda N2. Comparison of the predicted protein sequences revealed greater than 91% homology between chick brain, mouse brain, and human muscle N-cadherin cDNAs over the 748 amino acids of the mature, processed protein. A single polyadenylation site in the chick clone was also present and duplicated in the human muscle sequence. Immediately 3' of the recognition site in chick a poly(A) tail ensued; however, in human an additional 800 bp of 3' untranslated sequence followed. Northern analysis identified a number of major N-cadherin mRNAs. These were of 5.2, 4.3, and 4.0 kb in C6 glioma, 4.3 and 4.0 kb in human foetal muscle cultures, and 4.3 kb in human embryonic brain and mouse brain with minor bands of 5.2 kb in human muscle and embryonic brain. Southern analysis of a panel of somatic cell hybrids allowed the human N-cadherin gene to be mapped to chromosome 18. This is distinct from the E-cadherin locus on chromosome 16. Therefore, it is likely that the cadherins have evolved from a common precursor gene that has undergone duplication and migration to other chromosomal locations.
The attachment of an adhesion molecule in one cell to an identical molecule in an adjacent cell.
IEAOrtholog Compara
Negative regulation of canonical Wnt receptor signaling pathwaydefinition[GO:0090090]‹silver
Any process that decreases the rate, frequency, or extent of the Wnt receptor signaling pathway through beta-catenin, the series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell, followed by propagation of the signal via beta-catenin, and ending with a change in transcription of target genes.
The process in which a relatively unspecialized cell acquires specialized features of a striated muscle cell; striated muscle fibers are divided by transverse bands into striations, and cardiac and voluntary muscle are types of striated muscle.
IEAOrtholog Compara
Pathways
According to KEGG, this protein belongs to the following pathways:
Arrhythmogenic right ventricular cardiomyopathy (ARVC) hsa05412+1000
A reference proteome is a set of protein sequences derived from a complete proteome which constitutes a defined standard for a particular user community. Reference proteomes are manually defined according to a number of criteria. They cover the proteomes of well- studied model organisms and other proteomes of interest for biomedical and biotechnological research. Reference proteomes have been selected to provide broad coverage of the tree of life, and constitute a representative cross-section of the taxonomic diversity to be found within UniProtKB.
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