Catenin alpha 1

mammalian protein found in Homo sapiens
Protein Protein Q21116587

Facts

8 properties
Instance of
protein
Part of
Alpha-catenin/vinculin-like superfamily, Vinculin, conserved site, protein family[2][3]
Biological process
positive regulation of smoothened signaling pathway, actin filament organization, response to estrogen, regulation of cell population proliferation, response to organic cyclic compound, negative regulation of extrinsic apoptotic signaling pathway in absence of ligand, negative regulation of neuroblast proliferation, establishment or maintenance of cell polarity, positive regulation of extrinsic apoptotic signaling pathway in absence of ligand, gap junction assembly, negative regulation of cell motility, negative regulation of integrin-mediated signaling pathway, apical junction assembly, cell adhesion, ageing, male gonad development, protein heterooligomerization, adherens junction organization, positive regulation of muscle cell differentiation, ovarian follicle development, odontogenesis of dentin-containing tooth, cellular response to indole-3-methanol, negative regulation of apoptotic process, axon regeneration, epithelial cell-cell adhesion
Cell component
acrosomal vesicle, cytoskeleton, intracellular membrane-bounded organelle, intercalated disc, actin cytoskeleton, adherens junction, catenin complex, cytosol, membrane, plasma membrane, cytoplasm, cell-cell junction, cell junction, lamellipodium, Golgi apparatus, focal adhesion, zonula adherens, flotillin complex, focal adhesion
Encoded by
CTNNA1
Found in taxon
Homo sapiens
Has part(s)
Vinculin, conserved site[4]
Molecular function
gamma-catenin binding, actin filament binding, beta-catenin binding, protein binding, vinculin binding, structural molecule activity, protein heterodimerization activity, RNA binding, cadherin binding, identical protein binding, RNA binding, cadherin binding
🏷️ Also known as
en alpha-E-catenin en Alpha E-catenin en Cadherin-associated protein en catenin alpha-1 en Catenin alpha 1 en catenin (cadherin-associated protein), alpha 1, 102kDa en CTNNA1 en epididymis secretory sperm binding protein en renal carcinoma antigen NY-REN-13 uk Альфа-катенін 1

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Summary

Catenin alpha 1 is a protein[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Catenin alpha 1. Retrieved May 3, 2026, from https://4ort.xyz/entity/catenin-alpha-1
MLA “Catenin alpha 1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/catenin-alpha-1.
BibTeX @misc{4ortxyz_catenin-alpha-1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Catenin alpha 1}}, year = {2026}, url = {https://4ort.xyz/entity/catenin-alpha-1}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Catenin alpha 1 — https://4ort.xyz/entity/catenin-alpha-1 (retrieved 2026-05-03)

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