{{Rsnum
|rsid=13140012
|Gene=MTNR1A
|Chromosome=4
|position=186544404
|Orientation=plus
|GMAF=0.4642
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;T)
|geno3=(T;T)
|Gene_s=MTNR1A
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;T)
| geno3=(T;T)
| CEU | 9.8 | 57.4 | 32.8
| HCB | 27.5 | 52.5 | 20.0
| JPT | 27.9 | 67.4 | 4.7
| YRI | 12.3 | 47.4 | 40.4
| ASW | 0.0 | 0.0 | 0.0
| CHB | 27.5 | 52.5 | 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=21652546
|Title=The Melatonin Receptor 1A (MTNR1A) gene is associated with recurrent and idiopathic calcium nephrolithiasis
}}