rs2297404

A SNP in the ABCA1 gene on chromosome 9. Its most notable genotype is G;G.

Gene
ABCA1
Location
Chr 9104,802,185 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe
Minor allele frequency
9%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. G;GMost notableNot ratedNo summary available.Typical · 0.02% of people

SNPedia records rs2297404 on the minus strand: (C;C). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 4 HapMap populations.

  • AverageG;G 2%
  • European ancestry (Utah)G;G 2%
  • Han Chinese (Beijing)G;G 4%
  • Japanese (Tokyo)G;G 2%
  • Yoruba (Nigeria)G;G 0%

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs2297404, rs2230808, and rs2020927 haplotype (CAC) was more prevalent in the Alzheimer's disease group (0.323 in AD vs. 0.202 in control); while haplotype1 (TGG) was over-represented in the healthy controls (0.595 in control vs. 0.493 in AD)

G;G

appears to be common on the 23andMe platform

Source and license

Adapted from rs2297404 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.