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Gene entry

CHRNA3

cholinergic receptor nicotinic alpha 3 subunit

Chromosome
15
Cytoband
15q25.1
Variants (rsID)
18

CHRNA3 is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 15 (region 15q25.1). Its official name is “cholinergic receptor nicotinic alpha 3 subunit”. The reference table lists 18 variants (rsID) for this gene.

Clinically classified variants

2 reference-table entries with clinical significance.

  • rs1051730Risk factorsingle nucleotide variantLung cancer susceptibility 2|Smoking as a quantitative trait locus 3
  • rs3743075Not classifiedsynonymous_variantSmoking As a Quantitative Trait Locus 3|Tobacco Addiction|Schizophrenia

Other listed variants

Public references

Data from the institutional reference table and public NCBI annotation. For education only; not a substitute for medical or genetic counselling.