{{Rsnum
|rsid=6855837
|Chromosome=4
|Orientation=plus
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
|Gene=CLOCK
|position=55453077
|Gene_s=CLOCK
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 99.1 | 0.9 | 0.0
| HCB | 99.3 | 0.7 | 0.0
| JPT | 99.1 | 0.9 | 0.0
| YRI | 43.4 | 43.4 | 13.1
| ASW | 50.9 | 38.6 | 10.5
| CHB | 99.3 | 0.7 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 27.8 | 58.3 | 13.9
| MEX | 93.0 | 7.0 | 0.0
| MKK | 58.3 | 35.9 | 5.8
| TSI | 99.0 | 1.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=24821610
|Title=Association between CLOCK, PER3 and CCRN4L with non‑small cell lung cancer in Brazilian patients
}}

{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}