{{Rsnum
|rsid=4522666
|Gene=CHRNA4
|Chromosome=20
|position=63343128
|Orientation=plus
|GMAF=0.4504
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=CHRNA4
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 39.8 | 45.1 | 15.0
| HCB | 18.2 | 53.3 | 28.5
| JPT | 18.6 | 49.6 | 31.9
| YRI | 0.0 | 8.8 | 91.2
| ASW | 0.0 | 36.8 | 63.2
| CHB | 18.2 | 53.3 | 28.5
| CHD | 15.6 | 46.8 | 37.6
| GIH | 29.7 | 46.5 | 23.8
| LWK | 0.0 | 3.7 | 96.3
| MEX | 29.3 | 50.0 | 20.7
| MKK | 0.6 | 23.1 | 76.3
| TSI | 37.3 | 48.0 | 14.7
| HapMapRevision=28
}}{{PMID Auto
|PMID=19693267
|Title=Financial and psychological risk attitudes associated with two single nucleotide polymorphisms in the nicotine receptor (CHRNA4) gene
|OA=1
}}

{{omim
|id=607834
|rsnum=4522666
}}

{{PMID Auto
|PMID=18043764
|Title=Association of alpha4beta2 nicotinic receptor and heavy smoking in schizophrenia.
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}