{{Rsnum
|rsid=12721629
|Gene=CYP3A4
|Chromosome=7
|position=99762177
|Orientation=plus
|ReferenceAllele=C
|MissenseAllele=T
|GMAF=0.002755
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=CYP3A4
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 100.0 | 0.0 | 0.0
| HCB | 99.3 | 0.7 | 0.0
| JPT | 100.0 | 0.0 | 0.0
| YRI | 98.0 | 2.0 | 0.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 99.3 | 0.7 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 95.5 | 4.5 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 99.4 | 0.6 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}[[rs12721629]], also known as 1117C>T, 21896C>T or L373F, is a SNP in the [[CYP3A4]] gene.

The [[rs12721629]](T) allele defines the CYP3A4*12 variant.

This SNP includes a SNP formerly known as [[rs45614732]] that has now been merged into it.

{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}