{{Rsnum
|rsid=12804291
|Gene=MTNR1B
|Chromosome=11
|position=92972141
|Orientation=plus
|GMAF=0.1198
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=MTNR1B
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 85.0 | 14.2 | 0.9
| HCB | 100.0 | 0.0 | 0.0
| JPT | 98.2 | 1.8 | 0.0
| YRI | 48.6 | 39.4 | 12.0
| ASW | 42.9 | 46.4 | 10.7
| CHB | 100.0 | 0.0 | 0.0
| CHD | 99.1 | 0.9 | 0.0
| GIH | 85.1 | 14.9 | 0.0
| LWK | 40.2 | 43.9 | 15.9
| MEX | 91.4 | 8.6 | 0.0
| MKK | 60.4 | 35.7 | 3.9
| TSI | 81.2 | 17.8 | 1.0
| 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=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 | Affy GenomeWide 6}}
{{on chip | HumanOmni1Quad}}