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Gene

CHRNA9

cholinergic receptor nicotinic alpha 9 subunit

Summary

Cytogenetic location
4p14
Coordinates
Chromosome 4: 40,335,333–40,355,217 (GRCh38)
Exons
5 exons across 19.9 kb
Protein
479 amino acids
Also known as
NACHRA9
MANE Select transcript
ENST00000310169.3NM_017581.4
Locus type
gene with protein product

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 CHRNA9 yet. The test sequences your whole genome, so your data includes it all the same.

How CHRNA9 is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 4, with a bracket where CHRNA9 sits. CHRNA9 and 6 genes near it on chromosome 4, from 39,845,275 to 40,845,274.Chromosome 44p14p16.3p16.2p16.1p15.33p15.32p15.31p15.2p15.1p14p13p12p11q11q12q13.1q13.2q13.3q21.1q21.21q21.22q21.23q21.3q22.1q22.2q22.3q23q24q25q26q27q28.1q28.2q28.3q31.1q31.21q31.22q31.23q31.3q32.1q32.2q32.3q33q34.1q34.2q34.3q35.1q35.240 Mb40.2 Mb40.4 Mb40.6 Mb40.8 MbPDS5A: 39,822,863–39,977,993, reverse strandPDS5AN4BP2: 40,056,567–40,158,252, forward strandN4BP2RHOH: 40,191,011–40,246,967, forward strandRHOHCHRNA9: 40,335,333–40,355,217, forward strandCHRNA9RBM47: 40,423,267–40,630,896, reverse strandRBM47NSUN7: 40,749,776–40,811,184, forward strandNSUN7APBB2: 40,810,027–41,216,714, reverse strandAPBB2Diagram of CHRNA9: 5 exons on the forward strand of chromosome 4Exon 1: 40,335,333–40,335,531, 199 basesExon 2: 40,335,827–40,335,972, 146 basesExon 3: 40,337,210–40,337,364, 155 basesExon 4: 40,348,882–40,349,414, 533 basesExon 5: 40,353,979–40,355,217, 1,239 bases123455′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 2.3 kb of the gene's 19.9 kb; 1,440 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.

Cite this page

APA

Dante Labs. (n.d.). CHRNA9 gene: cholinergic receptor nicotinic alpha 9 subunit. Retrieved 17 October 2026, from https://dantelabs.com/genes/chrna9

Vancouver

Dante Labs. CHRNA9 gene: cholinergic receptor nicotinic alpha 9 subunit [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/chrna9

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