{{Rsnum
|rsid=1427676
|Chromosome=2
|position=203876443
|Orientation=plus
|GMAF=0.4582
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 8.0 | 53.1 | 38.9
| HCB | 40.9 | 47.4 | 11.7
| JPT | 34.5 | 49.6 | 15.9
| YRI | 20.4 | 52.4 | 27.2
| ASW | 15.8 | 63.2 | 21.1
| CHB | 40.9 | 47.4 | 11.7
| CHD | 40.4 | 44.0 | 15.6
| GIH | 8.9 | 36.6 | 54.5
| LWK | 27.3 | 47.3 | 25.5
| MEX | 12.1 | 51.7 | 36.2
| MKK | 22.4 | 50.6 | 26.9
| TSI | 3.9 | 42.2 | 53.9
| HapMapRevision=28
}}{{PMID Auto
|PMID=19956106
|Title=Analysis of 19 genes for association with type I diabetes in the Type I Diabetes Genetics Consortium families
|OA=1
}}

{{PMID Auto
|PMID=19956097
|Title=Remapping the type I diabetes association of the CTLA4 locus.
|OA=1
}}

{{PMID Auto
|PMID=19956101
|Title=Overview of the Rapid Response data.
|OA=1
}}

{{PMID Auto
|PMID=20537165
|Title=The CTLA4 variants may interact with the IL23R- and NOD2-conferred risk in development of Crohn's disease.
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}