rs1048971

A SNP in the CR2 gene on chromosome 1. Its most notable genotype is G;G: common in clinvar

Gene
CR2
Location
Chr 1207,472,977 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA
Minor allele frequency
40%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. G;GMost notableGoodcommon in clinvarTypical · 0.035% of people

On SNPedia: (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 11 HapMap populations.

  • AverageG;G 35%
  • European ancestry (Utah)G;G 43%
  • Han Chinese (Beijing)G;G 65%
  • Japanese (Tokyo)G;G 50%
  • Yoruba (Nigeria)G;G 1%
  • African ancestry (Southwest US)G;G 7%
  • Chinese (Denver)G;G 67%
  • Gujarati IndianG;G 44%
  • Luhya (Kenya)G;G 5%
  • Mexican ancestry (Los Angeles)G;G 59%
  • Maasai (Kenya)G;G 8%
  • TuscanG;G 39%

Other CR2 SNPs

All CR2 SNPs

Notes

From SNPedia

Notes

Association of a common complement receptor 2 haplotype with increased risk of systemic lupus erythematosus. Fine mapping of genetic variants in BIN1, CLU, CR1 and PICALM for association with cerebrospinal fluid biomarkers for Alzheimer's disease.

Source and license

Adapted from rs1048971 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.