{{Rsnum
|rsid=4492018
|Chromosome=4
|position=122593373
|Orientation=plus
|GMAF=0.376
|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 | 1.8 | 49.6 | 48.7
| HCB | 9.5 | 51.1 | 39.4
| JPT | 9.7 | 47.8 | 42.5
| YRI | 25.2 | 53.1 | 21.8
| ASW | 24.6 | 56.1 | 19.3
| CHB | 9.5 | 51.1 | 39.4
| CHD | 24.8 | 41.3 | 33.9
| GIH | 17.8 | 56.4 | 25.7
| LWK | 22.7 | 51.8 | 25.5
| MEX | 31.0 | 37.9 | 31.0
| MKK | 19.9 | 53.8 | 26.3
| TSI | 6.9 | 40.2 | 52.9
| HapMapRevision=28
}}{{PMID Auto
|PMID=19302705
|Title=Testing for the association of the KIAA1109/Tenr/IL2/IL21 gene region with rheumatoid arthritis in a European family-based study.
|OA=1
}}

{{PMID|17558408|OA=1
}} A genome-wide association study for celiac disease identifies risk variants in the region harboring IL2 and IL21.

{{PMID|17999365|OA=1
}} Novel association in chromosome 4q27 region with rheumatoid arthritis and confirmation of type 1 diabetes point to a general risk locus for autoimmune diseases.

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