{{Rsnum
|rsid=702764
|Gene=OPRK1
|Chromosome=8
|position=53229597
|Orientation=plus
|GMAF=0.2328
|Gene_s=OPRK1
|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 | 1.8 | 24.8 | 73.5
| HCB | 0.7 | 16.8 | 82.5
| JPT | 0.9 | 10.6 | 88.5
| YRI | 38.8 | 44.9 | 16.3
| ASW | 28.1 | 42.1 | 29.8
| CHB | 0.7 | 16.8 | 82.5
| CHD | 0.0 | 8.3 | 91.7
| GIH | 0.0 | 13.9 | 86.1
| LWK | 23.9 | 54.1 | 22.0
| MEX | 3.4 | 36.2 | 60.3
| MKK | 10.9 | 54.5 | 34.6
| TSI | 1.0 | 21.6 | 77.5
| HapMapRevision=28
}}{{PMID Auto
|PMID=22138325
|Title=Epistatic effects between variants of kappa-opioid receptor gene and A118G of mu-opioid receptor gene increase susceptibility to addiction in Indian population
}}

{{PMID|19671182|OA=1
}} Modeling genetic imprinting effects of DNA sequences with multilocus polymorphism data.

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}