{{Rsnum
|rsid=885747
|Gene=PER1
|Chromosome=17
|position=8147419
|Orientation=minus
|GMAF=0.3508
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
|Gene_s=PER1
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 28.6 | 55.6 | 15.9
| HCB | 84.4 | 15.6 | 0.0
| JPT | 77.3 | 22.7 | 0.0
| YRI | 12.9 | 58.1 | 29.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 84.4 | 15.6 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| 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=19934327
|Title=Testing the Circadian Gene Hypothesis in Prostate Cancer: A Population-Based Case-Control Study
|OA=1
}}

{{PMID Auto
|PMID=22485135
|Title=Circadian Gene Variants and Susceptibility to Type 2 Diabetes: A Pilot Study
|OA=1
}}

{{PMID Auto
|PMID=17264841
|Title=Association of Per1 and Npas2 with autistic disorder: support for the clock genes/social timing hypothesis.
}}

{{PMID Auto
|PMID=20174623
|Title=Systematic analysis of circadian genes in a population-based sample reveals association of TIMELESS with depression and sleep disturbance.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}