{{Rsnum
|rsid=1840440
|Chromosome=18
|position=25677222
|Orientation=plus
|GMAF=0.4761
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 37.2 | 43.4 | 19.5
| HCB | 16.1 | 50.4 | 33.6
| JPT | 19.5 | 54.0 | 26.5
| YRI | 4.8 | 29.3 | 66.0
| ASW | 8.8 | 42.1 | 49.1
| CHB | 16.1 | 50.4 | 33.6
| CHD | 19.3 | 49.5 | 31.2
| GIH | 50.5 | 43.6 | 5.9
| LWK | 2.7 | 30.0 | 67.3
| MEX | 25.9 | 55.2 | 19.0
| MKK | 9.7 | 52.3 | 38.1
| TSI | 37.3 | 45.1 | 17.6
| HapMapRevision=28
}}{{PMID Auto GWAS
|PMID=19851299
|Trait=Weight
|Title=Linkage and Genome-wide Association Analysis of Obesity-related Phenotypes: Association of Weight With the MGAT1 Gene
|RiskAllele=G
|Pval=3E-7
|OR=2.16
|ORtxt=[NR] kg increase
}}

{{GET Evidence
|impact=pathogenic
|qualified_impact=Insufficiently evaluated pathogenic
|inheritance=unknown
|quality_scores=Array
|dbsnp_id=rs1840440
|overall_frequency_n=50
|overall_frequency_d=128
|overall_frequency=0.390625
|n_genomes=32
|n_genomes_annotated=0
|n_haplomes=43
|n_articles=0
|n_articles_annotated=0
|in_gwas=Y
|autoscore=1
|webscore=N
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}