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HTR3A

protein-coding gene in the species Homo sapiens
Class type of: protein-coding gene Q18027439

Facts

12 properties
Instance of
gene
Subclass of
protein-coding gene
Chromosome
human chromosome 11[11]
Cytogenetic location
11q23.2[13]
Encodes
5-hydroxytryptamine receptor 3A[9]
Expressed in
spinal ganglia, testicle, trigeminal ganglion, lymph node, islet of Langerhans, appendix, gingival epithelium, muscle layer of sigmoid colon, caudate nucleus, minor salivary glands[14][15][16][17][18][19][20][21][22][23]
Found in taxon
Homo sapiens[10]
Genomic end
113990313, 113861035[6][7]
Genomic start
113845603, 113975075[4][5]
HomoloGene ID
671[3]
Ortholog
Htr3a, Htr3a, htr3a[8]
Strand orientation
forward strand[12]
🏷️ Also known as
en HTR3A en 5-hydroxytryptamine receptor 3A en HTR3 en 5-HT-3 en 5-HT3A en 5-HT3R en 5HT3R ar HTR3A ar 5-هيدروكسي التريبتامين 3A
🔖 Identifiers · 10
Ensembl gene ID
ENSG00000166736
Ensembl transcript ID
ENST00000510849, ENST00000299961, ENST00000355556, ENST00000375498, ENST00000502622, ENST00000504030, ENST00000506841
Entrez Gene ID
3359
Exact match
identifiers.org
Freebase ID
/m/03cwkxm
HGNC ID
5297
HGNC gene symbol
HTR3A
OMIM ID
182139
RefSeq RNA ID
NR_046363, NM_000869, NM_001161772, NM_213621
UMLS CUI
C1333933

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🔗 Connections
Expressed in 7
testicle, lymph node, appendix, islet of Langerhans, spinal ganglia, caudate nucleus, trigeminal ganglion
Chromosome 1
human chromosome 11
Found in taxon 1
Homo sapiens
Instance of 1
gene
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Summary

HTR3A is a gene[1]. HTR3A 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] ↑ . UniProt. Retrieved . wikidata.org.
  9. [10] ↑ . ensembl Release 106. wikidata.org.
  10. [11] ↑ . ensembl Release 106. wikidata.org.
  11. [12] ↑ . ensembl Release 106. wikidata.org.
  12. [13] ↑ . NCBI Gene. Retrieved . wikidata.org.
  13. [14] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  14. [15] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  15. [16] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  16. [17] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  17. [18] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  18. [19] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  19. [20] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  20. [21] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  21. [22] ↑ . Bgee. Retrieved . bgee.org. Provenance: wikidata.org.
  22. [23] ↑ . Bgee. Retrieved . bgee.org. 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). HTR3A. Retrieved November 9, 2026, from https://4ort.xyz/entity/htr3a
MLA “HTR3A.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/htr3a.
BibTeX @misc{4ortxyz_htr3a_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HTR3A}}, year = {2026}, url = {https://4ort.xyz/entity/htr3a}, 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 ↗
    Chromosome → human chromosome 11
    Strand orientation → forward strand
    Instance of → gene
    Ortholog → Htr3a, htr3a
    + 4 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.