{{Rsnum
|rsid=2583988
|Gene=FGF22
|Chromosome=4
|position=89839677
|Orientation=plus
|GMAF=0.1414
|Gene_s=FGF22,SNCA
|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 | 56.1 | 35.1 | 8.8
| HCB | 100.0 | 0.0 | 0.0
| JPT | 100.0 | 0.0 | 0.0
| YRI | 96.4 | 3.6 | 0.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 100.0 | 0.0 | 0.0
| 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=23962496
|Title=The protective effect of LRRK2 p.R1398H on risk of Parkinson's disease is independent of MAPT and SNCA variants
}}

{{PMID Auto
|PMID=15637659
|Title=Linkage disequilibrium patterns and tagSNP transferability among European populations.
|OA=1
}}

{{PMID Auto
|PMID=17872362
|Title=alpha-Synuclein and Parkinson disease susceptibility.
}}

{{PMID Auto
|PMID=19063963
|Title=Genetic susceptibility in Parkinson's disease.
|OA=1
}}

{{PMID Auto
|PMID=19771175
|Title=Genetic variants of the alpha-synuclein gene SNCA are associated with multiple system atrophy.
|OA=1
}}

{{PMID Auto
|PMID=19834617
|Title=Genetic regulation of alpha-synuclein mRNA expression in various human brain tissues.
|OA=1
}}

{{PMID Auto
|PMID=19890971
|Title=Alpha-synuclein polymorphisms are associated with Parkinson's disease in a Saskatchewan population.
}}

{{PMID Auto
|PMID=21391235
|Title=Independent and joint effects of the MAPT and SNCA genes in Parkinson disease.
|OA=1
}}

{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}