{{Rsnum
|rsid=16918875
|Gene=OPRK1
|Chromosome=8
|position=53229594
|Orientation=plus
|GMAF=0.05142
|Gene_s=OPRK1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 0.0 | 8.8 | 91.2
| HCB | 0.0 | 0.0 | 100.0
| JPT | 0.0 | 0.0 | 100.0
| YRI | 2.7 | 22.4 | 74.8
| ASW | 0.0 | 21.1 | 78.9
| CHB | 0.0 | 0.0 | 100.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 4.0 | 96.0
| LWK | 0.9 | 26.6 | 72.5
| MEX | 0.0 | 5.2 | 94.8
| MKK | 1.9 | 32.9 | 65.2
| TSI | 0.0 | 6.9 | 93.1
| 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}}