{{Rsnum
|rsid=2235046
|Gene=ABCB1
|Chromosome=7
|position=87544750
|Orientation=minus
|GMAF=0.4421
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=ABCB1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 18.6 | 55.8 | 25.7
| HCB | 48.2 | 39.4 | 12.4
| JPT | 34.5 | 47.8 | 17.7
| YRI | 2.7 | 28.1 | 69.2
| ASW | 3.5 | 42.1 | 54.4
| CHB | 48.2 | 39.4 | 12.4
| CHD | 45.0 | 45.9 | 9.2
| GIH | 35.6 | 51.5 | 12.9
| LWK | 4.5 | 26.4 | 69.1
| MEX | 17.2 | 60.3 | 22.4
| MKK | 3.2 | 30.8 | 66.0
| TSI | 22.5 | 40.2 | 37.3
| HapMapRevision=28
}}{{PMID Auto
|PMID=19107781
|Title=Associations between ABCB1/MDR1 gene polymorphisms and Crohn's disease: a gene-wide study in a pediatric population
}}

{{PMID Auto
|PMID=19685447
|Title=Genetic analysis of MDR1 and inflammatory bowel disease reveals protective effect of heterozygous variants for ulcerative colitis
}}

{{PMID Auto
|PMID=15197162
|Title=Identifying candidate causal variants responsible for altered activity of the ABCB1 multidrug resistance gene.
|OA=1
}}

{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}