{{Rsnum
|rsid=27980
|Gene=CAST
|Chromosome=5
|position=96762191
|Orientation=minus
|GMAF=0.4059
|Gene_s=CAST,ERAP1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 46.9 | 42.5 | 10.6
| HCB | 26.0 | 56.5 | 17.6
| JPT | 15.6 | 37.8 | 46.7
| YRI | 37.2 | 51.0 | 11.7
| ASW | 36.8 | 47.4 | 15.8
| CHB | 26.0 | 56.5 | 17.6
| CHD | 21.1 | 56.0 | 22.9
| GIH | 44.0 | 44.0 | 12.0
| LWK | 24.5 | 46.2 | 29.2
| MEX | 26.8 | 48.2 | 25.0
| MKK | 22.9 | 56.9 | 20.3
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=19877036
|Title=Association of ERAP1, but not IL23R, with ankylosing spondylitis in a Han Chinese population
}}

{{PMID Auto
|PMID=22632381
|Title=ERAP1 genetic variations associated with HLA-B27 interaction and disease severity of syndesmophytes formation in Taiwanese ankylosing spondylitis
|OA=1
}}

{{PMID Auto
|PMID=19692350
|Title=Investigating the genetic association between ERAP1 and ankylosing spondylitis.
|OA=1
}}

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