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Gene

CHRNA5

cholinergic receptor nicotinic alpha 5 subunit

Summary

Cytogenetic location
15q25.1
Coordinates
Chromosome 15: 78,565,520–78,595,269 (GRCh38)
Exons
6 exons across 29.8 kb
Protein
468 amino acids
MANE Select transcript
ENST00000299565.9NM_000745.4
Locus type
Protein-coding
  • Very high
  • Confident
  • Low
  • Very low

Curated reports relevant to this gene

No Genome Test report reads CHRNA5 yet. The test sequences your whole genome, so your data includes it all the same.

How CHRNA5 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 15, with a bracket where CHRNA5 sits. CHRNA5 and 16 genes near it on chromosome 15, from 78,080,395 to 79,080,394.Chromosome 1515q25.1p13p12p11.2p11.1q11.1q11.2q12q13.1q13.2q13.3q14q15.1q15.2q15.3q21.1q21.2q21.3q22.1q22.2q22.31q22.32q22.33q23q24.1q24.2q24.3q25.1q25.2q25.3q26.1q26.2q26.378.2 Mb78.4 Mb78.6 Mb78.8 Mb79 MbSH2D7: 78,077,808–78,104,370, forward strandSH2D7CIB2: 78,102,300–78,131,565, reverse strandCIB2IDH3A: 78,131,498–78,171,945, forward strandIDH3AACSBG1: 78,167,468–78,245,688, reverse strandACSBG1DNAJA4: 78,264,086–78,282,196, forward strandDNAJA4SKIC8: 78,269,375–78,306,573, reverse strandSKIC8CRABP1: 78,340,260–78,348,250, forward strandCRABP1IREB2: 78,437,431–78,501,453, forward strandIREB2HYKK: 78,507,383–78,537,657, forward strandHYKKPSMA4: 78,540,089–78,560,795, forward strandPSMA4CHRNA5: 78,565,520–78,595,269, forward strandCHRNA5CHRNA3: 78,593,052–78,621,331, reverse strandCHRNA3CHRNB4: 78,621,941–78,727,754, reverse strandCHRNB4ADAMTS7: 78,759,204–78,811,523, reverse strandADAMTS7MORF4L1: 78,810,487–78,903,200, forward strandMORF4L1CTSH: 78,921,058–78,949,574, reverse strandCTSHRASGRF1: 78,959,906–79,090,930, reverse strandRASGRF1Diagram of CHRNA5: 6 exons on the forward strand of chromosome 15Exon 1: 78,565,520–78,565,825, 306 basesExon 2: 78,580,811–78,580,962, 152 basesExon 3: 78,586,645–78,586,689, 45 basesExon 4: 78,588,314–78,588,423, 110 basesExon 5: 78,589,805–78,590,636, 832 basesExon 6: 78,593,092–78,595,269, 2,178 bases1234565′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 3.6 kb of the gene's 29.8 kb; 1,407 of those bases code for the protein.

External links

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.

Cite this page

APA

Dante Labs. (n.d.). CHRNA5 gene: cholinergic receptor nicotinic alpha 5 subunit. Retrieved 17 October 2026, from https://dantelabs.com/genes/chrna5

Vancouver

Dante Labs. CHRNA5 gene: cholinergic receptor nicotinic alpha 5 subunit [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/chrna5

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