{{Rsnum
|rsid=965972
|Chromosome=1
|position=193494720
|Orientation=minus
|GMAF=0.2094
|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 | 0.9 | 8.0 | 91.2
| HCB | 11.7 | 45.3 | 43.1
| JPT | 8.0 | 39.8 | 52.2
| YRI | 11.6 | 43.5 | 44.9
| ASW | 7.0 | 52.6 | 40.4
| CHB | 11.7 | 45.3 | 43.1
| CHD | 9.2 | 51.4 | 39.4
| GIH | 1.0 | 22.8 | 76.2
| LWK | 26.4 | 43.6 | 30.0
| MEX | 0.0 | 27.6 | 72.4
| MKK | 6.4 | 46.8 | 46.8
| TSI | 0.0 | 9.8 | 90.2
| HapMapRevision=28
}}{{PMID Auto
|PMID=20560679
|Title=Response to Methadone Maintenance Treatment is Associated with the MYOCD and GRM6 Genes
}}

{{PMID Auto
|PMID=18195715
|Title=Genotype patterns that contribute to increased risk for or protection from developing heroin addiction
|OA=1
}}

{{PMID Auto
|PMID=18725235
|Title=Bidirectional translational research: Progress in understanding addictive diseases.
|OA=1
}}

{{PMID Auto
|PMID=19155191
|Title=Opiate and cocaine addiction: from bench to clinic and back to the bench.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | Illumina Human 1M}}
{{on chip | NatGeo2}}