{{Rsnum
|rsid=3791878
|Gene=GAD1
|Chromosome=2
|position=170815681
|Orientation=minus
|GMAF=0.2199
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene_s=GAD1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 7.1 | 46.9 | 46.0
| HCB | 5.8 | 33.6 | 60.6
| JPT | 4.5 | 37.5 | 58.0
| YRI | 0.0 | 0.7 | 99.3
| ASW | 0.0 | 10.7 | 89.3
| CHB | 5.8 | 33.6 | 60.6
| CHD | 7.4 | 32.4 | 60.2
| GIH | 12.9 | 49.5 | 37.6
| LWK | 0.0 | 3.6 | 96.4
| MEX | 5.3 | 43.9 | 50.9
| MKK | 0.6 | 7.1 | 92.3
| TSI | 10.9 | 41.6 | 47.5
| HapMapRevision=28
}}{{PMID|18335162}} implicated in [[schizophrenia]]

{{PMID Auto
|PMID=22840783
|Title=Genetic variability in glutamic acid decarboxylase genes: Associations with post-traumatic seizures after severe TBI
|OA=1
}}

{{PMID Auto
|PMID=19111404
|Title=Associations of glutamate decarboxylase genes with initial sensitivity and age-at-onset of alcohol dependence in the Irish Affected Sib Pair Study of Alcohol Dependence.
|OA=1
}}

{{PMID Auto
|PMID=22564729
|Title=Polymorphisms in the glutamate decarboxylase 1 gene associated with heroin dependence.
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}