{{Rsnum
|rsid=2780895
|Gene=JAK1
|Chromosome=1
|position=64843717
|Orientation=plus
|GMAF=0.3517
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=JAK1
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 58.0 | 37.5 | 4.5
| HCB | 48.1 | 45.9 | 5.9
| JPT | 47.3 | 40.2 | 12.5
| YRI | 6.9 | 38.6 | 54.5
| ASW | 10.5 | 47.4 | 42.1
| CHB | 48.1 | 45.9 | 5.9
| CHD | 51.4 | 42.2 | 6.4
| GIH | 61.0 | 35.0 | 4.0
| LWK | 13.6 | 48.2 | 38.2
| MEX | 32.8 | 51.7 | 15.5
| MKK | 17.3 | 50.6 | 32.1
| TSI | 55.4 | 36.6 | 7.9
| HapMapRevision=28
}}{{PMID Auto
|PMID=21827323
|Title=JAK-1 [[rs2780895]] C-Related Genotype and Allele but not JAK-1 [[rs10789166]], [[rs4916008]], [[rs2780885]], [[rs17127114]], and [[rs3806277]] are associated with higher susceptibility to asthma
}}

{{PMID Auto
|PMID=22901011
|Title=JAK1 gene polymorphisms are associated with the outcomes of hepatitis B virus infection, but not with alpha interferon therapy response in a Han Chinese population.
|OA=1
}}

{{on chip | Illumina Human 1M}}