{{Rsnum
|rsid=2735611
|Gene=PER1
|Chromosome=17
|position=8144965
|Orientation=minus
|GMAF=0.4091
|Gene_s=PER1
|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 | 3.5 | 29.2 | 67.3
| HCB | 47.8 | 40.4 | 11.8
| JPT | 49.6 | 45.1 | 5.3
| YRI | 24.5 | 47.6 | 27.9
| ASW | 24.6 | 43.9 | 31.6
| CHB | 47.8 | 40.4 | 11.8
| CHD | 49.5 | 43.1 | 7.3
| GIH | 6.9 | 36.6 | 56.4
| LWK | 18.2 | 42.7 | 39.1
| MEX | 17.5 | 54.4 | 28.1
| MKK | 25.2 | 46.5 | 28.4
| TSI | 2.0 | 29.4 | 68.6
| HapMapRevision=28
}}{{PMID Auto
|PMID=22517501
|Title=Rotating night shift work and polymorphism of genes important for the regulation of circadian rhythm
}}

{{PMID Auto
|PMID=25020710
|Title=P324Circadian genes in the regulation of lipids in coronary artery disease
}}
{{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}}