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- Table of Contents
Designing a Western blot for Catenin alpha-1? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the CTNNA1 Western Blot GuideFacts about Catenin alpha-1.
Can associate with both E- and N-cadherins. Originally thought to be a stable part of E-cadherin/catenin adhesion complexes and also to mediate the linkage of cadherins to the actin cytoskeleton at adherens junctions.
| Human | |
|---|---|
| Gene Name: | CTNNA1 |
| Uniprot: | P35221 |
| Entrez: | 1495 |

| Belongs to: |
|---|
| vinculin/alpha-catenin family |

Alpha E-catenin; alpha-catenin; alpha-E-catenin; alphaE-catenin; cadherin-associated protein; CAP102; catenin (cadherin-associated protein), alpha 1 (102kD); catenin (cadherin-associated protein), alpha 1, 102kDa; catenin alpha-1; FLJ36832; FLJ52416; Renal carcinoma antigen NY-REN-13
Mass (kDA):
100.071 kDA

| Human | |
|---|---|
| Location: | 5q31.2 |
| Sequence: | 5; NC_000005.10 (138753386..138935034) |
Expressed ubiquitously in normal tissues.
[Isoform 1]: Cytoplasm, cytoskeleton. Cell junction, adherens junction. Cell membrane; Peripheral membrane protein; Cytoplasmic side. Cell junction. Found at cell-cell boundaries and probably at cell-matrix boundaries.; [Isoform 3]: Cell membrane; Peripheral membrane protein; Cytoplasmic side.






PMID: 8404069 by Furukawa Y., et al. Structure, expression and chromosome assignment of the human catenin (cadherin-associated protein) alpha 1 gene (CTNNA1).
PMID: 8323564 by Oda T., et al. Cloning of the human alpha-catenin cDNA and its aberrant mRNA in a human cancer cell line.
*More publications can be found for each product on its corresponding product page