{{Rsnum
|rsid=378108
|Chromosome=21
|position=39097594
|Orientation=plus
|GMAF=0.4086
|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 | 26.5 | 47.8 | 25.7
| HCB | 27.0 | 53.3 | 19.7
| JPT | 31.9 | 54.9 | 13.3
| YRI | 70.1 | 27.2 | 2.7
| ASW | 66.7 | 29.8 | 3.5
| CHB | 27.0 | 53.3 | 19.7
| CHD | 26.6 | 46.8 | 26.6
| GIH | 30.7 | 44.6 | 24.8
| LWK | 55.0 | 38.5 | 6.4
| MEX | 29.3 | 43.1 | 27.6
| MKK | 35.5 | 54.2 | 10.3
| TSI | 33.3 | 51.0 | 15.7
| HapMapRevision=28
}}{{PMID Auto GWAS
|PMID=21743469
|Trait=None
|Title=Interaction between ERAP1 and HLA-B27 in ankylosing spondylitis implicates peptide handling in the mechanism for HLA-B27 in disease susceptibility.
|RiskAllele=G
|Pval=2E-11
|OR=None
|ORtxt=None
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}
{{on chip | NatGeo2}}