{{Rsnum
|rsid=3781637
|Gene=MTNR1B
|Chromosome=11
|position=92980604
|Orientation=minus
|GMAF=0.04591
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=MTNR1B
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 95.4 | 4.6 | 0.0
| HCB | 84.4 | 11.1 | 4.4
| JPT | 68.2 | 31.8 | 0.0
| YRI | 96.8 | 3.2 | 0.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 84.4 | 11.1 | 4.4
| 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=21470412
|Title=A common polymorphism rs3781637 in MTNR1B is associated with type 2 diabetes and lipids levels in Han Chinese individuals
|OA=1
}}