{{Rsnum
|rsid=7027989
|Gene=MTAP
|Chromosome=9
|position=21817755
|Orientation=plus
|GMAF=0.3352
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=MTAP
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 24.8 | 49.6 | 25.7
| HCB | 4.4 | 30.7 | 65.0
| JPT | 20.4 | 46.9 | 32.7
| YRI | 0.0 | 23.1 | 76.9
| ASW | 5.3 | 29.8 | 64.9
| CHB | 4.4 | 30.7 | 65.0
| CHD | 3.7 | 30.3 | 66.1
| GIH | 39.6 | 49.5 | 10.9
| LWK | 1.8 | 20.9 | 77.3
| MEX | 10.3 | 51.7 | 37.9
| MKK | 3.8 | 19.2 | 76.9
| TSI | 30.4 | 51.0 | 18.6
| HapMapRevision=28
}}[[rs7027989]] is a SNP in the methylthioadenosine phosphorylase [[MTAP]] gene.

A study of 432 Han Chinese patients with myocardial infarctions concluded that male subjects carrying a [[rs7027989]](A) allele were at 1.26x increased risk (for MI).{{PMID|19272367}}

{{PMID Auto
|PMID=20302706
|Title=[Association between methylthioadenosine phosphorylase gene single nucleotide polymorphisms and myocardial infarction in Chinese Han ethnicity.].
}}

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