{{Rsnum
|rsid=4646422
|Gene=CYP1A1
|Chromosome=15
|position=74722964
|Orientation=minus
|GMAF=0.03489
|Gene_s=CYP1A1
|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 | 0.0 | 0.0 | 100.0
| HCB | 1.5 | 21.9 | 76.6
| JPT | 1.8 | 31.0 | 67.3
| YRI | 0.0 | 0.0 | 100.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 1.5 | 21.9 | 76.6
| CHD | 3.7 | 25.7 | 70.6
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=24320736
|Title=Role of single nucleotide polymorphisms in estrogen-metabolizing enzymes and susceptibility to uterine leiomyoma in Han Chinese: A case-control study
}}

{{PMID Auto
|PMID=23816456
|Title=CYP1A1 genetic polymorphism and polycyclic aromatic hydrocarbons on pulmonary function in the elderly: haplotype-based approach for gene-environment interaction
}}

{{PMID Auto
|PMID=24777039
|Title=A Multicenter Case-Control Study on Screening of Single Nucleotide Polymorphisms in Estrogen-Metabolizing Enzymes and Susceptibility to Uterine Leiomyoma in Han Chinese
}}
{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}