{{Rsnum
|rsid=3949478
|Gene=ENTPD1
|Chromosome=10
|position=97473214
|Orientation=minus
|GMAF=0.2824
|Gene_s=ENTPD1
|Assembly=GRCh37.p5
|GenomeBuild=37.3
|dbSNPBuild=135
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}
{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 65.5 | 31.0 | 3.5
| HCB | 67.9 | 29.9 | 2.2
| JPT | 47.8 | 43.4 | 8.8
| YRI | 26.5 | 51.7 | 21.8
| ASW | 35.1 | 45.6 | 19.3
| CHB | 67.9 | 29.9 | 2.2
| CHD | 72.2 | 25.0 | 2.8
| GIH | 44.6 | 42.6 | 12.9
| LWK | 27.3 | 47.3 | 25.5
| MEX | 55.2 | 37.9 | 6.9
| MKK | 32.3 | 50.3 | 17.4
| TSI | 64.7 | 33.3 | 2.0
| HapMapRevision=28
}}{{PharmGKB
|RSID=rs3949478
|Name_s=
|Gene_s=-
|Feature=
|Evidence=PubMed ID:19268276
|Annotation=In a GWAS of 3497 Dutch subjects from the Netherlands Study of Depression and Anxiety or from the Netherlands Twin Registry, this SNP was found to be associated with Smoking Initiation (p = 0.00003203; OR for minor allele A:0.773)
|Drugs=nicotine
|Drug Classes=
|Diseases=
|Curation Level=Curated
|PharmGKB Accession ID=PA164920598
}}

{{GET Evidence
|impact=pharmacogenetic
|qualified_impact=Insufficiently evaluated pharmacogenetic
|inheritance=unknown
|quality_scores=Array
|dbsnp_id=rs3949478
|overall_frequency_n=83
|overall_frequency_d=128
|overall_frequency=0.648438
|n_genomes=46
|n_genomes_annotated=0
|n_haplomes=68
|n_articles=1
|n_articles_annotated=0
|in_pharmgkb=Y
|autoscore=1
|webscore=N
}}

{{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}}