{{Rsnum
|rsid=6989250
|Chromosome=8
|position=53253835
|Orientation=plus
|GMAF=0.01653
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 98.2 | 1.8 | 0.0
| HCB | 98.5 | 1.5 | 0.0
| JPT | 100.0 | 0.0 | 0.0
| YRI | 77.6 | 21.1 | 1.4
| ASW | 77.2 | 22.8 | 0.0
| CHB | 98.5 | 1.5 | 0.0
| CHD | 99.1 | 0.9 | 0.0
| GIH | 99.0 | 1.0 | 0.0
| LWK | 93.6 | 6.4 | 0.0
| MEX | 98.2 | 1.8 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 98.0 | 2.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=23962922
|Title=A variant on the kappa opioid receptor gene (OPRK1) is associated with stress response and related drug craving, limbic brain activation and cocaine relapse risk
|OA=1
}}

{{on chip | Affy GenomeWide 6}}