{{Rsnum
|rsid=10420321
|Gene=DNMT1
|Chromosome=19
|position=10189741
|Orientation=plus
|GMAF=0.1938
|Gene_s=DNMT1
|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 | 96.7 | 3.3 | 0.0
| HCB | 27.9 | 48.8 | 23.3
| JPT | 50.0 | 34.1 | 15.9
| YRI | 68.3 | 31.7 | 0.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 27.9 | 48.8 | 23.3
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=23049933
|Title=Polymorphisms of the DNA methyltransferase 1 associated with reduced risks of Helicobacter pylori infection and increased risks of gastric atrophy
|OA=1
}}