{{Rsnum
|rsid=274622
|Gene=GRM3
|Chromosome=7
|position=86643624
|Orientation=plus
|GMAF=0.2654
|Gene_s=GRM3
|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 | 8.0 | 47.8 | 44.2
| HCB | 1.5 | 24.1 | 74.5
| JPT | 1.8 | 25.7 | 72.6
| YRI | 12.2 | 51.0 | 36.7
| ASW | 10.5 | 50.9 | 38.6
| CHB | 1.5 | 24.1 | 74.5
| CHD | 3.7 | 26.6 | 69.7
| GIH | 1.0 | 14.9 | 84.2
| LWK | 12.8 | 39.4 | 47.7
| MEX | 1.7 | 39.7 | 58.6
| MKK | 2.6 | 34.6 | 62.8
| TSI | 10.8 | 42.2 | 47.1
| HapMapRevision=28
}}{{PMID Auto
|PMID=24498053
|Title=Metabotropic glutamate receptor 3 is associated with heroin dependence but not depression or schizophrenia in a chinese population
|OA=1
}}

{{PMID Auto
|PMID=15913960
|Title=Association between the polymorphic GRM3 gene and negative symptom improvement during olanzapine treatment.
}}

{{PMID Auto
|PMID=17948896
|Title=Replication study and meta-analysis of the genetic association of GRM3 gene polymorphisms with schizophrenia in a large Japanese case-control population.
}}

{{on chip | Illumina Human 1M}}