{{Rsnum
|rsid=2424932
|Gene=DNMT3B
|Chromosome=20
|position=32808730
|Orientation=plus
|GMAF=0.2185
|Gene_s=DNMT3B
|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 | 18.6 | 52.2 | 29.2
| HCB | 2.2 | 18.4 | 79.4
| JPT | 0.9 | 21.2 | 77.9
| YRI | 0.0 | 6.8 | 93.2
| ASW | 1.8 | 17.5 | 80.7
| CHB | 2.2 | 18.4 | 79.4
| CHD | 0.0 | 13.8 | 86.2
| GIH | 5.0 | 32.7 | 62.4
| LWK | 0.0 | 24.5 | 75.5
| MEX | 3.4 | 37.9 | 58.6
| MKK | 0.0 | 7.7 | 92.3
| TSI | 13.7 | 54.9 | 31.4
| HapMapRevision=28
}}{{PMID Auto
|PMID=23025623
|Title=Genetic variation in DNMT3B and increased global DNA methylation is associated with suicide attempts in psychiatric patients
}}

{{PMID Auto
|PMID=23666104
|Title=DNMT1, DNMT3A and DNMT3B gene variants in relation to ovarian cancer risk in the Polish population
|OA=1
}}

{{PMID Auto
|PMID=22382075
|Title=Low-level environmental cadmium exposure is associated with DNA hypomethylation in Argentinean women.
|OA=1
}}

{{PMID Auto
|PMID=25038421
|Title=DNA methyltransferase haplotype is associated with Alzheimer's disease
}}
{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}