{{Rsnum
|rsid=7308402
|Gene=NOS1
|Chromosome=12
|position=117321642
|Orientation=plus
|GMAF=0.2029
|Gene_s=NOS1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 13.4 | 46.4 | 40.2
| HCB | 0.0 | 8.0 | 92.0
| JPT | 0.9 | 11.5 | 87.6
| YRI | 0.7 | 13.6 | 85.7
| ASW | 3.5 | 24.6 | 71.9
| CHB | 0.0 | 8.0 | 92.0
| CHD | 0.0 | 7.3 | 92.7
| GIH | 3.0 | 35.6 | 61.4
| LWK | 0.9 | 15.5 | 83.6
| MEX | 8.6 | 53.4 | 37.9
| MKK | 0.0 | 20.5 | 79.5
| TSI | 11.8 | 45.1 | 43.1
| HapMapRevision=28
}}{{PMID Auto
|PMID=24082858
|Title=Association of nNOS Gene Polymorphism with Ischemic Stroke in Han Chinese of North China
|OA=1
}}

{{PMID Auto
|PMID=22153699
|Title=Variants within the nitric oxide synthase 1 gene are associated with stroke susceptibility.
}}

{{on chip | Illumina Human 1M}}