{{Rsnum
|rsid=2119882
|Gene=MTNR1A
|Chromosome=4
|position=186555751
|Orientation=plus
|GMAF=0.4908
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=MTNR1A
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 0.0 | 0.0 | 0.0
| HCB | 20.0 | 60.0 | 20.0
| JPT | 7.0 | 55.8 | 37.2
| YRI | 25.8 | 50.0 | 24.2
| ASW | 0.0 | 0.0 | 0.0
| CHB | 20.0 | 60.0 | 20.0
| 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=21474908
|Title=Melatonin Receptor 1A Gene Polymorphism Associated with Polycystic Ovary Syndrome
}}
{{PMID Auto
|PMID=21526376
|Title=Association of Polymorphism in the Promoter of the Melatonin Receptor 1A Gene with Schizophrenia and with Insomnia Symptoms in Schizophrenia Patients
}}{{PMID Auto
|PMID=18067741
|Title=[Effect of genetic polymorphism of MTNR1A gene on adolescent idiopathic scoliosis].
}}

{{PMID Auto
|PMID=18794763
|Title=Lack of association between the promoter polymorphism of the MTNR1A gene and adolescent idiopathic scoliosis.
}}
{{PMID Auto
|PMID=24157813
|Title=Association between Genetic Variations in MTNR1A and MTNR1B Genes and Gestational Diabetes Mellitus in Han Chinese Women
}}