{{Rsnum
|rsid=4410790
|Chromosome=7
|position=17244953
|Orientation=plus
|GMAF=0.4899
|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 | 33.6 | 48.7 | 17.7
| HCB | 16.1 | 48.2 | 35.8
| JPT | 12.4 | 37.2 | 50.4
| YRI | 21.8 | 49.7 | 28.6
| ASW | 28.1 | 56.1 | 15.8
| CHB | 16.1 | 48.2 | 35.8
| CHD | 18.3 | 46.8 | 34.9
| GIH | 23.8 | 47.5 | 28.7
| LWK | 20.9 | 50.9 | 28.2
| MEX | 20.7 | 34.5 | 44.8
| MKK | 17.9 | 48.7 | 33.3
| TSI | 41.2 | 42.2 | 16.7
| HapMapRevision=28
}}{{doi|10.1371/journal.pgen.1002033}} [[ rs4410790]] and [[rs2470893]] influences habitual [[caffeine]] consumption

{{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=T
|Pval=2E-19
|OR=0.1500
|ORtxt=[0.11-0.19] mg/day decrease
|OA=1
}}

{{PMID Auto
|PMID=22854411
|Title=Associations between polymorphisms in the AHR and CYP1A1-CYP1A2 gene regions and habitual caffeine consumption
}}

{{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 | Illumina Human 1M}}