{{Rsnum
|rsid=17501010
|Gene=CLDN1
|Chromosome=3
|position=190308865
|Orientation=plus
|GMAF=0.1414
|Gene_s=CLDN1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 70.8 | 27.4 | 1.8
| HCB | 89.8 | 10.2 | 0.0
| JPT | 93.8 | 6.2 | 0.0
| YRI | 56.5 | 34.0 | 9.5
| ASW | 52.6 | 38.6 | 8.8
| CHB | 89.8 | 10.2 | 0.0
| CHD | 87.2 | 12.8 | 0.0
| GIH | 80.2 | 18.8 | 1.0
| LWK | 50.9 | 42.7 | 6.4
| MEX | 72.4 | 22.4 | 5.2
| MKK | 56.4 | 38.5 | 5.1
| TSI | 76.5 | 23.5 | 0.0
| 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 | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}