{{Rsnum
|rsid=7733088
|Gene=HTR4
|Chromosome=5
|position=148476770
|Orientation=plus
|GMAF=0.449
|Gene_s=HTR4
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 12.4 | 46.0 | 41.6
| HCB | 45.3 | 40.9 | 13.9
| JPT | 38.1 | 44.2 | 17.7
| YRI | 8.2 | 40.8 | 51.0
| ASW | 5.3 | 45.6 | 49.1
| CHB | 45.3 | 40.9 | 13.9
| CHD | 38.5 | 54.1 | 7.3
| GIH | 11.9 | 44.6 | 43.6
| LWK | 8.2 | 42.7 | 49.1
| MEX | 36.2 | 60.3 | 3.4
| MKK | 19.2 | 50.6 | 30.1
| TSI | 17.6 | 47.1 | 35.3
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=22837378
  |Trait=Airflow obstruction
  |Title=Genome-wide association studies identify CHRNA5/3 and HTR4 in the development of airflow obstruction.
  |RiskAllele=
  |Pval=4E-9
  |OR=1.23
  |ORtxt=[NR]
  |OA=1
}}

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