{{Rsnum
|rsid=510769
|Gene=OPRM1
|Chromosome=6
|position=154040884
|Orientation=minus
|GMAF=0.2185
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=OPRM1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 4.4 | 31.9 | 63.7
| HCB | 2.2 | 30.4 | 67.4
| JPT | 0.0 | 14.3 | 85.7
| YRI | 6.8 | 31.3 | 61.9
| ASW | 5.3 | 38.6 | 56.1
| CHB | 2.2 | 30.4 | 67.4
| CHD | 1.9 | 32.4 | 65.7
| GIH | 2.0 | 24.8 | 73.3
| LWK | 3.6 | 34.5 | 61.8
| MEX | 15.5 | 53.4 | 31.0
| MKK | 4.5 | 35.9 | 59.6
| TSI | 8.8 | 30.4 | 60.8
| HapMapRevision=28
}}{{PMID Auto
|PMID=18518925
|Title=Genetic susceptibility to heroin addiction: a candidate gene association study
|OA=1
}}

{{PMID Auto
|PMID=12771227
|Title=MALDI mass spectrometry analysis of single nucleotide polymorphisms by photocleavage and charge-tagging.
|OA=1
}}

{{PMID Auto
|PMID=14656974
|Title=Clone-based systematic haplotyping (CSH): a procedure for physical haplotyping of whole genomes.
|OA=1
}}

{{PMID Auto
|PMID=16887046
|Title=The mu-opioid receptor gene and smoking initiation and nicotine dependence.
|OA=1
}}

{{PMID Auto
|PMID=17135278
|Title=Cholinergic nicotinic receptor genes implicated in a nicotine dependence association study targeting 348 candidate genes with 3713 SNPs.
|OA=1
}}

{{PMID Auto
|PMID=18783506
|Title=Association of a single nucleotide polymorphism in neuronal acetylcholine receptor subunit alpha 5 (CHRNA5) with smoking status and with 'pleasurable buzz' during early experimentation with smoking.
|OA=1
}}

{{PMID Auto
|PMID=19053977
|Title=OPRM1 Asn40Asp predicts response to naltrexone treatment: a haplotype-based approach.
|OA=1
}}

{{PMID Auto
|PMID=19500151
|Title=Heroin addiction in African Americans: a hypothesis-driven association study.
|OA=1
}}

{{PMID Auto
|PMID=20100356
|Title=PCA-based bootstrap confidence interval tests for gene-disease association involving multiple SNPs.
|OA=1
}}

{{PMID Auto
|PMID=21029375
|Title=OPRM1 gene variants modulate amphetamine-induced euphoria in humans.
|OA=1
}}

{{PMID Auto
|PMID=22406240
|Title=Genetic polymorphisms in the opioid receptor mu1 gene are associated with changes in libido and insomnia in methadone maintenance patients.
}}

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