{{Rsnum
|rsid=9981660
|Chromosome=21
|position=42317828
|Orientation=plus
|GMAF=0.1373
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 0.9 | 7.1 | 92.0
| HCB | 1.5 | 32.8 | 65.7
| JPT | 4.5 | 33.3 | 62.2
| YRI | 9.5 | 32.0 | 58.5
| ASW | 3.6 | 38.2 | 58.2
| CHB | 1.5 | 32.8 | 65.7
| CHD | 4.6 | 22.9 | 72.5
| GIH | 1.0 | 5.0 | 94.1
| LWK | 13.8 | 49.5 | 36.7
| MEX | 1.7 | 13.8 | 84.5
| MKK | 13.0 | 50.0 | 37.0
| TSI | 0.0 | 6.9 | 93.1
| HapMapRevision=28
}}{{PMID Auto
|PMID=23933418
|Title=Promoter polymorphisms in trefoil factor 2 and trefoil factor 3 genes and susceptibility to gastric cancer and atrophic gastritis among Chinese population
}}

{{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}}