rs2230288

A SNP in the GBA gene on chromosome 1. Its most notable genotype is T;T: Homozygous for E326K variant of GBA gene

Gene
GBA
Location
Chr 1155,236,376 (GRCh38)
Highest magnitude
1.0Minor
Tested on
23andMe, AncestryDNA
Minor allele frequency
<1%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. T;TMost notableNot ratedHomozygous for E326K variant of GBA geneMinor · 1.00% of people
  2. C;TNot ratedE326K variant in GBA geneTypical · 0.52% of people
  3. C;CGoodcommon in clinvarTypical · 0.098% of people

SNPedia records rs2230288 on the minus strand: (A;A), (A;G), (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 5 HapMap populations.

  • AverageT;T 0% C;T 2% C;C 98%
  • European ancestry (Utah)T;T 0% C;T 4% C;C 96%
  • Han Chinese (Beijing)T;T 0% C;T <1% C;C 99%
  • Japanese (Tokyo)T;T 0% C;T 0% C;C 100%
  • Yoruba (Nigeria)T;T 0% C;T 0% C;C 100%
  • TuscanT;T 0% C;T 3% C;C 97%

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs2230288, also known as E326K or E365K, is a variation in the GBA gene which appears to be well tolerated; in other words, it is not associated with Gaucher disease. However, there is some evidence suggesting it is not a neutral polymorphism; instead, it appears to be a "modifier" variant. A news item from 2016 links rs2230288 to increased risk for rapid eye movement sleep behavior disorder (RBD), which often precedes synucleinopathies such as Parkinson's disease. Note that this research is not published as yet.

Source and license

Adapted from rs2230288 on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.