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Gene

CHRNA7

cholinergic receptor nicotinic alpha 7 subunit

Summary

Cytogenetic location
15q13.3
Coordinates
Chromosome 15: 32,030,515–32,173,018 (GRCh38)
Exons
10 exons across 142.5 kb
Protein
502 amino acids
Also known as
a7nAChR
MANE Select transcript
ENST00000306901.9NM_000746.6
Locus type
gene with protein product
  • Very high
  • Confident
  • Low
  • Very low

Reference genomeGRCh38

Positions on gene and variant pages follow this choice, in this browser.

Curated reports relevant to this gene

No Genome Test report reads CHRNA7 yet. The test sequences your whole genome, so your data includes it all the same.

How CHRNA7 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 15, with a bracket where CHRNA7 sits. CHRNA7 and 4 genes near it on chromosome 15, from 31,601,767 to 32,601,766.Chromosome 1515q13.3p13p12p11.2p11.1q11.1q11.2q12q13.1q13.2q13.3q14q15.1q15.2q15.3q21.1q21.2q21.3q22.1q22.2q22.31q22.32q22.33q23q24.1q24.2q24.3q25.1q25.2q25.3q26.1q26.2q26.331.8 Mb32 Mb32.2 Mb32.4 Mb32.6 MbOTUD7A: 31,475,398–31,870,789, reverse strandOTUD7ACHRNA7: 32,030,515–32,173,018, forward strandCHRNA7GOLGA8K: 32,389,599–32,403,292, reverse strandGOLGA8KGOLGA8O: 32,441,914–32,455,634, reverse strandGOLGA8OGOLGA8N: 32,593,456–32,607,310, forward strandGOLGA8NDiagram of CHRNA7: 10 exons on the forward strand of chromosome 15Exon 1: 32,030,515–32,030,649, 135 basesExon 2: 32,030,898–32,031,037, 140 basesExon 3: 32,101,303–32,101,347, 45 basesExon 4: 32,111,790–32,111,899, 110 basesExon 5: 32,153,907–32,153,986, 80 basesExon 6: 32,157,608–32,157,775, 168 basesExon 7: 32,158,412–32,158,606, 195 basesExon 8: 32,159,569–32,159,655, 87 basesExon 9: 32,163,226–32,163,335, 110 basesExon 10: 32,167,940–32,173,018, 5,079 bases15105′3′

Exons of the gene's MANE Select transcript (release v1.5), from NCBI and EMBL-EBI, on the GRCh38 reference genome.

Chromosome bands from UCSC's GRCh38 ideogram (2022-10-29).

Nearby genes from Ensembl release 116, on GRCh38.

Exons make up 6.1 kb of the gene's 142.5 kb; 1,509 of those bases code for the protein.

Where this comes from

  • HGNC: the gene's symbol, name, other symbols and location.
  • MANE Select v1.5, from NCBI and EMBL-EBI: the transcript, its exons and coding sequence.
  • The Human Phenotype Ontology, release 2026-09-01: the traits linked to the gene. Find out more at hpo.jax.org.

Cite this page

APA

Dante Labs. (n.d.). CHRNA7 gene: cholinergic receptor nicotinic alpha 7 subunit. Retrieved 17 October 2026, from https://dantelabs.com/genes/chrna7

Vancouver

Dante Labs. CHRNA7 gene: cholinergic receptor nicotinic alpha 7 subunit [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/chrna7

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