{{Rsnum
|rsid=9290927
|Gene=CLDN1
|Chromosome=3
|position=190304727
|Orientation=plus
|GMAF=0.2011
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;T)
| geno3=(T;T)
| CEU | 80.5 | 15.9 | 3.5
| HCB | 29.2 | 51.1 | 19.7
| JPT | 11.5 | 53.1 | 35.4
| YRI | 93.2 | 6.8 | 0.0
| ASW | 92.9 | 7.1 | 0.0
| CHB | 29.2 | 51.1 | 19.7
| CHD | 29.4 | 50.5 | 20.2
| GIH | 83.2 | 16.8 | 0.0
| LWK | 90.0 | 10.0 | 0.0
| MEX | 72.4 | 25.9 | 1.7
| MKK | 98.7 | 1.3 | 0.0
| TSI | 81.4 | 17.6 | 1.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=23136956
|Title=The role of Glutathione S-Transferase (GST) and Claudin-1 (CLDN1) gene polymorphisms in contact sensitization: a cross-sectional study
}}

{{on chip | Affy GenomeWide 6}}