{{Rsnum
|rsid=9658490
|Gene=NOS1
|Chromosome=12
|position=117232493
|Orientation=minus
|GMAF=0.1846
|Gene_s=NOS1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 5.1 | 28.8 | 66.1
| HCB | 0.0 | 9.8 | 90.2
| JPT | 7.0 | 34.9 | 58.1
| YRI | 13.6 | 47.5 | 39.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 0.0 | 9.8 | 90.2
| 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=24323870
|Title=Genetic Association Analyses of Nitric Oxide Synthase Genes and Neural Tube Defects Vary by Phenotype
}}