{{Rsnum
|rsid=950776
|Gene=CHRNB4
|Chromosome=15
|position=78633676
|Orientation=plus
|GMAF=0.1942
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=CHRNB4
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 14.2 | 40.7 | 45.1
| HCB | 1.5 | 27.7 | 70.8
| JPT | 0.9 | 19.5 | 79.6
| YRI | 2.0 | 10.9 | 87.1
| ASW | 1.8 | 14.0 | 84.2
| CHB | 1.5 | 27.7 | 70.8
| CHD | 1.8 | 22.9 | 75.2
| GIH | 6.9 | 45.5 | 47.5
| LWK | 0.0 | 9.2 | 90.8
| MEX | 3.5 | 24.6 | 71.9
| MKK | 0.0 | 12.8 | 87.2
| TSI | 2.9 | 54.9 | 42.2
| HapMapRevision=28
}}{{PMID Auto GWAS
|PMID=21658281
|Trait=None
|Title=GWAS for discovery and replication of genetic loci associated with sudden cardiac arrest in patients with coronary artery disease.
|RiskAllele=
|Pval=4E-7
|OR=1.0900
|ORtxt=[1.06-1.13]
|OA=1
}}

{{PMID Auto
|PMID=18519524
|Title=Variants in nicotinic receptors and risk for nicotine dependence.
|OA=1
}}

{{PMID Auto
|PMID=19029397
|Title=Nicotinic receptor gene variants influence susceptibility to heavy smoking.
|OA=1
}}

{{PMID Auto
|PMID=19064933
|Title=Chromosome 15q25.1 genetic markers associated with level of response to alcohol in humans.
|OA=1
}}

{{PMID Auto
|PMID=19330903
|Title=Gene by smoking interaction in hypertension: identification of a major quantitative trait locus on chromosome 15q for systolic blood pressure in Mexican-Americans.
|OA=1
}}

{{PMID Auto
|PMID=19443489
|Title=Risk for nicotine dependence and lung cancer is conferred by mRNA expression levels and amino acid change in CHRNA5.
|OA=1
}}

{{PMID Auto
|PMID=20808433
|Title=Associations of variants in CHRNA5/A3/B4 gene cluster with smoking behaviors in a Korean population.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}