{{Rsnum
|rsid=9325104
|Gene=HTR4
|Chromosome=5
|position=148543814
|Orientation=plus
|GMAF=0.4826
|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 | 30.1 | 50.4 | 19.5
| HCB | 24.1 | 55.5 | 20.4
| JPT | 23.0 | 53.1 | 23.9
| YRI | 10.2 | 36.1 | 53.7
| ASW | 7.0 | 49.1 | 43.9
| CHB | 24.1 | 55.5 | 20.4
| CHD | 19.3 | 50.5 | 30.3
| GIH | 45.5 | 45.5 | 8.9
| LWK | 7.3 | 41.8 | 50.9
| MEX | 15.5 | 62.1 | 22.4
| MKK | 19.4 | 49.7 | 31.0
| TSI | 35.3 | 49.0 | 15.7
| HapMapRevision=28
}}{{PMID Auto
|PMID=22688145
|Title=Clinical response and side effects of metoclopramide: associations with clinical, demographic, and pharmacogenetic parameters
}}

{{PMID Auto
|PMID=19892407
|Title=Lack of association between HTR4 gene polymorphisms and schizophrenia in case-control and family-based samples.
}}

{{on chip | Affy GenomeWide 6}}