{{Rsnum
|rsid=3787283
|Gene=SNAP25
|Chromosome=20
|position=10303770
|Orientation=minus
|GMAF=0.3875
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=SNAP25
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 9.7 | 46.0 | 44.2
| HCB | 33.8 | 50.0 | 16.2
| JPT | 23.2 | 52.7 | 24.1
| YRI | 19.0 | 42.2 | 38.8
| ASW | 7.0 | 42.1 | 50.9
| CHB | 33.8 | 50.0 | 16.2
| CHD | 36.7 | 49.5 | 13.8
| GIH | 15.8 | 45.5 | 38.6
| LWK | 18.2 | 45.5 | 36.4
| MEX | 12.1 | 46.6 | 41.4
| MKK | 21.9 | 56.1 | 21.9
| TSI | 8.8 | 45.1 | 46.1
| HapMapRevision=28
}}
{{PMID|19132710}} SNPs nominally associated with [[schizophrenia]] ([[rs3787283]], [[rs3746544]]) were the same as those previously demonstrated to be associated with [[ADHD]] but with the opposite alleles, allowing the intriguing hypothesis that genetic variation at SNAP25 may be differentially associated with both schizophrenia and ADHD

{{PMID Auto
|PMID=17455213
|Title=Investigation of variation in SNAP-25 and ADHD and relationship to co-morbid major depressive disorder.
}}

{{PMID Auto
|PMID=23593184
|Title=DNA variation in the SNAP25 gene confers risk to ADHD and is associated with reduced expression in prefrontal cortex.
|OA=1
}}

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