{{Rsnum
|rsid=3754048
|Gene=APH1A
|Chromosome=1
|position=150269789
|Orientation=minus
|GMAF=0.4077
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
|Gene_s=APH1A
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 69.8 | 23.8 | 6.3
| HCB | 15.6 | 55.6 | 28.9
| JPT | 25.6 | 51.2 | 23.3
| YRI | 29.5 | 50.8 | 19.7
| ASW | 0.0 | 0.0 | 0.0
| CHB | 15.6 | 55.6 | 28.9
| 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=21443683
|Title=The -980C/G Polymorphism in APH-1A Promoter Confers Risk for Alzheimer's Disease
}}{{PMID Auto
|PMID=19368855
|Title=Association between promoter polymorphisms in anterior pharynx-defective-1a and sporadic Alzheimer's disease in the North Chinese Han population.
}}