{{Rsnum
|rsid=3087776
|Gene=CYB561
|Chromosome=17
|position=63432917
|Orientation=plus
|GMAF=0.4472
|Gene_s=CYB561
|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 | 27.4 | 46.0 | 26.5
| HCB | 78.8 | 20.4 | 0.7
| JPT | 55.8 | 38.1 | 6.2
| YRI | 6.8 | 32.0 | 61.2
| ASW | 8.8 | 43.9 | 47.4
| CHB | 78.8 | 20.4 | 0.7
| CHD | 75.2 | 23.9 | 0.9
| GIH | 23.8 | 49.5 | 26.7
| LWK | 10.0 | 41.8 | 48.2
| MEX | 31.0 | 62.1 | 6.9
| MKK | 11.5 | 51.3 | 37.2
| TSI | 30.4 | 52.0 | 17.6
| HapMapRevision=28
}}{{PMID Auto
|PMID=24140660
|Title=Human heart rate: Heritability of resting and stress values in twin pairs, and influence of genetic variation in the adrenergic pathway at a micro-RNA motif in the 3'-UTR of cytochrome b561 (CYB561)
}}

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