{{Rsnum
|rsid=2621215
|Gene=COL1A2
|Chromosome=7
|position=94426732
|Orientation=plus
|GMAF=0.1896
|Gene_s=CHRNA1,COL1A2
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 8.9 | 25.0 | 66.1
| HCB | 0.0 | 12.2 | 87.8
| JPT | 0.0 | 7.3 | 92.7
| YRI | 0.0 | 0.0 | 0.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 0.0 | 12.2 | 87.8
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}
{{PMID Auto
|PMID=19559927
|Title=The role of collagen type I alpha2 polymorphisms: intracranial aneurysms in Koreans
}}

{{PMID Auto
|PMID=23800505
|Title=Associations of Collagen Type I α2 Polymorphisms with the Presence of Intracranial Aneurysms in Patients from Germany
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}