{{Rsnum
|rsid=274618
|Gene=GRM3
|Chromosome=7
|position=86642700
|Orientation=plus
|GMAF=0.2388
|Gene_s=GRM3
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;T)
| geno3=(T;T)
| CEU | 43.2 | 48.6 | 8.1
| HCB | 74.5 | 24.1 | 1.5
| JPT | 73.2 | 25.0 | 1.8
| YRI | 49.0 | 44.9 | 6.1
| ASW | 64.9 | 28.1 | 7.0
| CHB | 74.5 | 24.1 | 1.5
| CHD | 70.4 | 25.9 | 3.7
| GIH | 84.8 | 14.1 | 1.0
| LWK | 60.0 | 36.4 | 3.6
| MEX | 0.0 | 0.0 | 0.0
| MKK | 71.2 | 26.9 | 1.9
| TSI | 47.1 | 42.2 | 10.8
| 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
}}

{{on chip | Affy GenomeWide 6}}