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CTNNA1

protein-coding gene in the species Homo sapiens
Class type of: protein-coding gene Q17911510

Facts

13 properties
Instance of
gene
Subclass of
protein-coding gene
Chromosome
human chromosome 5
Cytogenetic location
5q31.2
Encodes
Catenin alpha 1, Catenin (Cadherin-associated protein), alpha 1, 102kDa, isoform CRA_a, Catenin alpha-1[11][12][13]
Expressed in
epithelium of colon, Achilles tendon, amniotic fluid, nasal epithelium, corpus callosum, tibial nerve, middle frontal gyrus, mucosa of pharynx, bronchial epithelial cell, ventricular zone
Found in taxon
Homo sapiens[14]
Genetic association
patterned macular dystrophy 2, patterned macular dystrophy
Genomic end
138935034, 138270723[6][7]
Genomic start
138610967, 137946656[4][5]
HomoloGene ID
1433[3]
Ortholog
Ctnna1, Ctnna1, hmp-1, ctnna1, alpha-Cat[8][9][10]
Strand orientation
forward strand
🏷️ Also known as
en CAP102 en Catenin en catenin alpha 1 en CTNNA1 en MDPT2 ja ΑE-カテニン uk Альфа-катенін 1
🔖 Identifiers · 12
Image (Wikimedia Commons)
Protein CTNNA1 PDB 1dov.png ↗
Ensembl gene ID
ENSG00000044115
Ensembl transcript ID
ENST00000627109, ENST00000302763, ENST00000517533, ENST00000517534, ENST00000517656, ENST00000517904, ENST00000517980, ENST00000518263, ENST00000518381, ENST00000518585, ENST00000518825, ENST00000518910, ENST00000518919, ENST00000519113, ENST00000519116, ENST00000519309, ENST00000519489, ENST00000519634, ENST00000519768, ENST00000520158, ENST00000520260, ENST00000520339, ENST00000520400, ENST00000520520, ENST00000520522, ENST00000520865, ENST00000521368, ENST00000521387, ENST00000521640, ENST00000521683, ENST00000521724, ENST00000521941, ENST00000522013, ENST00000522052, ENST00000522227, ENST00000522730, ENST00000522792, ENST00000523275, ENST00000523298, ENST00000523685, ENST00000523912, ENST00000524127, ENST00000524292, ENST00000540387
Entrez Gene ID
1495
Exact match
identifiers.org
Freebase ID
/m/03mg_dq
HGNC ID
2509
HGNC gene symbol
CTNNA1
Microsoft Academic ID (discontinued)
2778712366
OMIM ID
116805
RefSeq RNA ID
NM_001290307, NM_001290309, NM_001290310, NM_001290312, NM_001903, NM_001323982, NM_001323983, NM_001323984, NM_001323985, NM_001323986, NM_001323987, NM_001323988, NM_001323989, NM_001323990, NM_001323991, NM_001323992, NM_001323993, NM_001323994, NM_001323995, NM_001323996, NM_001323997, NM_001323998, NM_001323999, NM_001324000, NM_001324001, NM_001324002, NM_001324003, NM_001324004, NM_001324005, NM_001324006, NM_001324007, NM_001324008, NM_001324009, NM_001324010, NM_001324011, NM_001324012, NM_001324013
UMLS CUI
C1413795

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Summary

CTNNA1 is a gene[1]. CTNNA1 is a type of protein-coding gene[2].

References

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

Direct Wikidata claims

  1. [2] ↑ . Ensembl Release 87. wikidata.org.
  2. [3] ↑ . NCBI Gene. Retrieved . wikidata.org.
  3. [4] ↑ . ensembl Release 106. wikidata.org.
  4. [5] ↑ . ensembl Release 106. wikidata.org.
  5. [6] ↑ . ensembl Release 106. wikidata.org.
  6. [7] ↑ . ensembl Release 106. wikidata.org.
  7. [8] ↑ . HomoloGene build68. omabrowser.org. Provenance: wikidata.org.
  8. [9] ↑ . Orthologous MAtrix. omabrowser.org. Provenance: wikidata.org.
  9. [10] ↑ . Orthologous MAtrix. omabrowser.org. Provenance: wikidata.org.
  10. [11] ↑ . UniProt. Retrieved . wikidata.org.
  11. [12] ↑ . UniProt. Retrieved . wikidata.org.
  12. [13] ↑ . UniProt. Retrieved . wikidata.org.
  13. [14] ↑ . ensembl Release 106. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). CTNNA1. Retrieved November 9, 2026, from https://4ort.xyz/entity/ctnna1
MLA “CTNNA1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/ctnna1.
BibTeX @misc{4ortxyz_ctnna1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{CTNNA1}}, year = {2026}, url = {https://4ort.xyz/entity/ctnna1}, note = {Accessed: 2026-11-09}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 25w ago · Mathieu Kappler · 2026-05-20 view diff on Wikidata ↗
    HGNC gene symbol → CTNNA1
    Genetic association → patterned macular dystrophy 2, patterned macular dystrophy
    RefSeq RNA ID → NM_001290307, NM_001290309, NM_001290310 +34
    Microsoft Academic ID (discontinued) → 2778712366
    + 23 other properties edited (see Wikidata diff for full list)
    "Changed [gsw] labels, descriptions or aliases: QuickStatements 3.0 batch #32527: human gene name and description in Alemannic"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.