{{Rsnum
|rsid=4603829
|Chromosome=20
|position=63337540
|Orientation=plus
|GMAF=0.449
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 15.0 | 41.6 | 43.4
| HCB | 15.3 | 54.7 | 29.9
| JPT | 17.7 | 53.1 | 29.2
| YRI | 35.4 | 52.4 | 12.2
| ASW | 36.8 | 52.6 | 10.5
| CHB | 15.3 | 54.7 | 29.9
| CHD | 21.1 | 41.3 | 37.6
| GIH | 17.8 | 41.6 | 40.6
| LWK | 45.0 | 41.3 | 13.8
| MEX | 19.0 | 56.9 | 24.1
| MKK | 41.0 | 50.0 | 9.0
| TSI | 11.8 | 51.0 | 37.3
| 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=4603829
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | Illumina Human 1M}}