{{Rsnum
|rsid=2276302
|Gene=HTR3A
|Chromosome=11
|position=113979418
|Orientation=plus
|GMAF=0.2893
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=HTR3A
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 46.9 | 42.5 | 10.6
| HCB | 82.5 | 16.8 | 0.7
| JPT | 73.5 | 26.5 | 0.0
| YRI | 22.4 | 46.9 | 30.6
| ASW | 17.5 | 49.1 | 33.3
| CHB | 82.5 | 16.8 | 0.7
| CHD | 73.4 | 24.8 | 1.8
| GIH | 68.3 | 27.7 | 4.0
| LWK | 29.1 | 50.0 | 20.9
| MEX | 53.4 | 36.2 | 10.3
| MKK | 23.1 | 55.1 | 21.8
| TSI | 56.9 | 35.3 | 7.8
| HapMapRevision=28
}}{{PMID Auto
|PMID=20168265
|Title=Influence of serotonin 3A and 3B receptor genes on clozapine treatment response in schizophrenia
}}

{{PMID Auto
|PMID=19185213
|Title=HTR3B is associated with alcoholism with antisocial behavior and alpha EEG power--an intermediate phenotype for alcoholism and co-morbid behaviors.
|OA=1
}}

{{PMID Auto
|PMID=19500151
|Title=Heroin addiction in African Americans: a hypothesis-driven association study.
|OA=1
}}

{{PMID Auto
|PMID=21184810
|Title=Are serotonin 3A and 3B receptor genes associated with suicidal behavior in schizophrenia subjects?
}}

{{PMID Auto
|PMID=22700043
|Title=Outcome definitions and clinical predictors influence pharmacogenetic associations between HTR3A gene polymorphisms and response to clozapine in patients with schizophrenia
}}

{{PMID Auto
|PMID=23290502
|Title=Serotonin transporter and receptor genes significantly impact nicotine dependence through genetic interactions in both European American and African American smokers
|OA=1
}}

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