{{Rsnum
|rsid=4803457
|Gene=B9D2
|Chromosome=19
|position=41355454
|Orientation=plus
|GMAF=0.4385
|Gene_s=B9D2,TGFB1
|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 | 39.8 | 44.2 | 15.9
| HCB | 27.0 | 48.2 | 24.8
| JPT | 29.5 | 50.0 | 20.5
| YRI | 34.0 | 43.5 | 22.4
| ASW | 40.4 | 42.1 | 17.5
| CHB | 27.0 | 48.2 | 24.8
| CHD | 20.2 | 40.4 | 39.4
| GIH | 28.7 | 50.5 | 20.8
| LWK | 30.0 | 49.1 | 20.9
| MEX | 29.3 | 58.6 | 12.1
| MKK | 30.8 | 53.2 | 16.0
| TSI | 28.4 | 47.1 | 24.5
| HapMapRevision=28
}}{{PMID Auto
|PMID=17673695
|Title=Transforming Growth Factor-?1 C-509T Polymorphism, Oxidant Stress, and Early-Onset Childhood Asthma
|OA=1
}}

{{PMID Auto
|PMID=20617153
|Title=Detection of fetomaternal genotype associations in early-onset disorders: evaluation of different methods and their application to childhood leukemia.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Illumina Human 1M}}