{{Rsnum
|rsid=1051296
|Chromosome=21
|Orientation=minus
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
|Gene=SLC19A1
|position=45514947
|Gene_s=SLC19A1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 14.3 | 50.0 | 35.7
| HCB | 26.3 | 47.4 | 26.3
| JPT | 31.0 | 47.8 | 21.2
| YRI | 25.5 | 50.3 | 24.1
| ASW | 17.5 | 45.6 | 36.8
| CHB | 26.3 | 47.4 | 26.3
| CHD | 22.0 | 54.1 | 23.9
| GIH | 24.0 | 53.0 | 23.0
| LWK | 34.3 | 42.6 | 23.1
| MEX | 14.0 | 40.4 | 45.6
| MKK | 34.4 | 46.1 | 19.5
| TSI | 17.6 | 45.1 | 37.3
| HapMapRevision=28
}}{{PMID Auto
|PMID=24927955
|Title=Effects of a microRNA binding site polymorphism in SLC19A1 on methotrexate concentrations in Chinese children with acute lymphoblastic leukemia
}}

{{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}}