{{Rsnum
|rsid=3781638
|Gene=MTNR1B
|Chromosome=11
|position=92980341
|Orientation=minus
|GMAF=0.3949
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene_s=MTNR1B
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 25.0 | 54.7 | 20.3
| HCB | 53.3 | 35.6 | 11.1
| JPT | 50.0 | 38.6 | 11.4
| YRI | 23.8 | 55.6 | 20.6
| ASW | 0.0 | 0.0 | 0.0
| CHB | 53.3 | 35.6 | 11.1
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=19088850
|Title=Polymorphisms within the novel type 2 diabetes risk locus MTNR1B determine beta-cell function.
|OA=1
}}

{{PMID Auto
|PMID=22759724
|Title=Polymorphisms in the melatonin receptor 1B gene and the risk of delirium
}}

{{PMID Auto
|PMID=23611530
|Title=Genetics of melatonin receptor type 2 is associated with left ventricular function in hypertensive patients treated according to guidelines.
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}