{{Rsnum
|rsid=2781666
|Gene=ARG1
|Chromosome=6
|position=131572419
|Orientation=plus
|GMAF=0.4353
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
|Gene_s=ARG1
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 46.0 | 41.3 | 12.7
| HCB | 48.9 | 39.4 | 11.7
| JPT | 43.4 | 41.6 | 15.0
| YRI | 1.7 | 33.3 | 65.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 48.9 | 39.4 | 11.7
| CHD | 51.9 | 36.1 | 12.0
| GIH | 52.5 | 37.6 | 9.9
| LWK | 11.0 | 22.9 | 66.1
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 63.4 | 23.8 | 12.9
| HapMapRevision=28
}}{{PMID Auto
|PMID=19896478
|Title=Association of rs2781666 G/T polymorphism of arginase I gene with myocardial infarction in Tunisian male population
}}

{{PMID Auto
|PMID=24919409
|Title=Arginase I gene single nucleotide polymorphism is associated with decreased risk of pulmonary hypertension in bronchopulmonary dysplasia
}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Illumina Human 1M}}