{{Rsnum
|rsid = 28940302
|Gene=VKORC1P1
|Orientation=plus
|ReferenceAllele=G
|MissenseAllele=T
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
|Chromosome=X
|position=27863980
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}this is one of several snps which influences [[warfarin]] dosage

{{omim
| id = 608547
| variant = 0002
| desc    = WARFARIN RESISTANCE
| rsnum   = 28940302
}}
{{ neighbor
| rsid = 28940303
| distance = 49
}}

{{PharmGKB
|RSID=rs28940302
|Name_s=VKORC1: V29L; Val29Leu
|Gene_s=VKORC1
|Feature=
|Evidence=PubMed ID:14765194; PubMed ID:18234403
|Annotation=This rare (<0.1%) missense mutation in VKORC1 gene confers warfarin resistance phenotype. Individuals carrying this mutation require higher dose of warfarin (14mg/d).
|Drugs=warfarin
|Drug Classes=
|Diseases=
|Curation Level=Curated
|PharmGKB Accession ID=PA162360180
}}

{{ on chip | 23andMe v1 }}
{{ on chip | Illumina Human 1M }}
{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | Illumina Human 1M}}