{{Rsnum
|rsid=2472304
|Gene=CYP1A2
|Chromosome=15
|position=74751897
|Orientation=plus
|GMAF=0.3214
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=CYP1A2
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 45.1 | 42.5 | 12.4
| HCB | 2.9 | 25.5 | 71.5
| JPT | 4.4 | 33.6 | 61.9
| YRI | 0.0 | 1.4 | 98.6
| ASW | 0.0 | 28.1 | 71.9
| CHB | 2.9 | 25.5 | 71.5
| CHD | 0.9 | 18.3 | 80.7
| GIH | 2.0 | 21.8 | 76.2
| LWK | 0.0 | 3.7 | 96.3
| MEX | 12.1 | 36.2 | 51.7
| MKK | 10.3 | 33.3 | 56.4
| TSI | 28.4 | 47.1 | 24.5
| HapMapRevision=28
}}{{PMID Auto GWAS
|PMID=21490707
|Trait=None
|Title=Genome-wide meta-analysis identifies regions on 7p21 (AHR) and 15q24 (CYP1A2) as determinants of habitual caffeine consumption.
|RiskAllele=A
|Pval=3E-7
|OR=0.0800
|ORtxt=[0.06-0.10] mg/day increase
|OA=1
}}

{{PMID Auto
|PMID=16026601
|Title=Decision forest analysis of 61 single nucleotide polymorphisms in a case-control study of esophageal cancer; a novel method.
|OA=1
}}

{{PMID Auto
|PMID=16969362
|Title=Genetic susceptibility to Tardive Dyskinesia in chronic schizophrenia subjects: V. Association of CYP1A2 1545 C>T polymorphism.
}}

{{PMID Auto
|PMID=22336631
|Title=Caffeine increases tear volume depending on polymorphisms within the adenosine A2a receptor gene and cytochrome P450 1A2.
}}

{{PMID Auto
|PMID=23492908
|Title=Influence of CYP1A1/CYP1A2 and AHR polymorphisms on systemic olanzapine exposure
}}

{{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}}