{{Rsnum
|rsid=1131596
|Gene=SLC19A1
|Chromosome=21
|position=45538002
|Orientation=minus
|GMAF=0.4766
|Gene_s=SLC19A1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{PMID Auto
|PMID=23148635
|Title=Genetic variation in the SLC19A1 gene and methotrexate toxicity in rheumatoid arthritis patients
}}
{{ population diversity
| geno1 = (C;C)
| geno2 = (C;T)
| geno3 = (T;T)
| CEU | 15.0 | 56.6 | 28.3
| HCB | 23.8 | 50.0 | 26.2
| JPT | 31.4 | 48.8 | 19.8
| YRI | 53.6 | 37.3 | 9.1
| ASW | 28.6 | 53.1 | 18.4
| CHD | 18.8 | 55.3 | 25.9
| GIH | 12.5 | 53.4 | 34.1
| LWK | 62.2 | 35.6 | 2.2
| MEX | 12.2 | 40.8 | 46.9
| MKK | 61.5 | 33.6 | 4.9
| TSI | 21.6 | 46.6 | 31.8
}}